See veebileht kasutab küpsiseid kasutaja sessiooni andmete hoidmiseks. Veebilehe kasutamisega nõustute ETISe kasutustingimustega. Loe rohkem
Olen nõus

Kajar Köster

https://www.etis.ee/CV/Kajar_Koster/est
22.10.1979
kajar.koster@helsinki.fi
C-8397-2012

Teenistuskäik

Töökohad ja ametid
01.05.2017–...   
Helsingi Ülikool, Viikki Taimeteaduste Keskus (ViPS), Juhtivteadur (1,00)
01.01.2017–...   
Helsingi Ülikool, Metsandusteaduste teaduskond, Akadeemia teadur (1,00)
01.01.2017–01.02.2017   
Eesti Maaülikool, Metsandus- ja maaehitusinstituut, metsabioloogia osakond, metsade häiringuökoloogia nimetatud vanemteadur (0,50)
01.01.2016–31.08.2016   
Helsingi Ülikool, Füüsika teaduskond, ICOS-Soome Teadur (0,20)
01.01.2015–31.12.2016   
Eesti Maaülikool, Metsandus- ja maaehitusinstituut, metsabioloogia osakond, metsade häiringuökoloogia nimetatud vanemteadur (1,00)
2010–2014   
Eesti Maaülikool, Metsandus- ja maaehitusinstituut, metsabioloogia osakond, Vanemteadur (1,00)
01.01.2010–31.12.2015   
Helsingi Ülikool, Helsingi Ülikool, Metsandusteaduste teaduskond, teadur (järeldoktorantuur) (0,50)
2004–2009   
Eesti Maaülikool, Metsandus- ja maaehitusinstituut, vanemlaborant (1,00)
 
 
Haridustee
2010–2013   
Helsingi Ülikool, Metsandusteaduste teaduskond, järeldoktorantuur
2005–2009   
Eesti Põllumajandusülikool, metsanduse õppekava, doktoriõpe
2003–2004   
Rootsi Põllumajandusteadusteülikool, magistriõpe
2003–2005   
Eesti Põllumajandusülikool, metsamajandus, magistriõpe
1999–2003   
Eesti Põllumajandusülikool, metsandus, bakalaureuseõpe
1995–1998   
Tõrva Gümnaasium
1986–1995   
Riidaja Põhikool
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
2017−...   
Eesti Noorte Teaduste Akadeemia asutajaliige
2001−2003   
Eesti Metsaüliõpilaste Selts
 
 
Teenistuskäigu lisainfo
2015-2016 Kone Fondi projekt "Reindeer grazing vs. changes in above- and below ground biota and soil carbon dynamics in subarctic boreal forests - guilty or not?";
2013-2014 Suomen Kulttuurirahasto projekt "Carbon neutrality of reindeer management";
Metsamajanduse eriala (magistriõppekava), Metsaökoloogia õppeaine, Maht 3,0+1,0 AP (3,0 AP –loengud/praktikumid sügissemestril, 1,0 AP – välipraktika Järvseljal kevadsemestril).;

Kvalifikatsioon

Teaduskraadid
Kajar Köster, doktorikraad, 2009, (juh) Kalev Jõgiste, Dynamics of living and dead woody biomass in forest ecosystem after windthrow (Elusa ja surnud puidu biomassi dünaamika tormijärgses metsa ökosüsteemis), Eesti Maaülikool, Metsandus- ja maaehitusinstituut, metsabioloogia osakond.
Kajar Köster, magistrikraad (teaduskraad), 2005, (juh) Kalev Jõgiste, Puidu lagunemise dünaamika Halliku ja Tudu tormialadel, Eesti Maaülikool, metsandus- ja maaehitusinstituut, metsabioloogia osakond.
 
 
Teaduspreemiad ja tunnustused
2017, Kajar Köster, Eesti Vabariigi teaduspreemia põllumajandusteaduste alal teadustöö „Häiringurežiimi ja ainevoogude tähtsus boreaalse ja hemiboreaalse vööndi metsade majandamisel“ eest
 
 
Teadustöö põhisuunad
VALDKOND: 1. Bio- ja keskkonnateadused; 1.4. Ökoloogia, biosüstemaatika ja -füsioloogia; CERCS ERIALA: B270 Taimeökoloogia ; PÕHISUUND: Häiringujärgsed muutused ja taastumine (muld, alustaimestik, puistu)
VALDKOND: 1. Bio- ja keskkonnateadused; 1.5. Metsandusteadus; CERCS ERIALA: B430 Metsakasvatus, metsandus, metsandustehnoloogia; PÕHISUUND: Häiringuökoloogia (tuli, tuul, ulukid)

Jooksvad projektid

Lõppenud projektid

Juhendamisel väitekirjad

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2019
Zhou, Xuan; Sun, Hui; Pumpanen, Jukka; Sietio, Outi-Maaria; Heinonsalo, Jussi; Koster, Kajar; Berninger, Frank (2019). The impact of wildfire on microbial C:N:P stoichiometry and the fungal-to-bacterial ratio in permafrost soil. Biogeochemistry, 142 (1), 1−17.10.1007/s10533-018-0510-6.
1.1.
2019
Parro, K.; Köster, K.; Jõgiste, K.; Seglinš, K.; Sims, A.; Stanturf, J. A.; Metslaid, M. (2019). Impact of post-fire management on soil respiration, carbon and nitrogen content in a managed hemiboreal forest. Journal of Environmental Management, 233, 371−377.10.1016/j.jenvman.2018.12.050.
1.1.
2019
Zhao, P.; Palviainen, M.; Köster, K.; Berninger, F.; Bruckman, V.; Pumpanen, J. (2019). Effects of Biochar on Fluxes and Turnover of Carbon in Boreal Forest Soils. Soil Science Society of America Journal, 83, 126−136.10.2136/sssaj2018.04.0149.
1.1.
2019
Kulmala, L.; Pumpanen, J.; Kolari, P.; Dengel, S.; Berninger, F.; Köster, K.; Matkala, L.; Vanhatalo, A.; Vesala, T.; Bäck, J. (2019). Inter- and intra-annual dynamics of photosynthesis differ between forest floor vegetation and tree canopy in a subarctic Scots pine stand. Agricultural and Forest Meteorology, 271, 1−11.10.1016/j.agrformet.2019.02.029.
1.1.
2019
Aaltonen, Heidi; Köster, Kajar; Köster, Egle; Berninger, Frank; Zhou, Xuan; Karhu, Kristiina; Biasi, Christina; Bruckman, Viktor; Palviainen, Marjo; Pumpanen, Jukka (2019). Forest fires in Canadian permafrost region: the combined effects of fire and permafrost dynamics on soil organic matter quality. Biogeochemistry, 143, 257−274.10.1007/s10533-019-00560-x.
1.1.
2019
Aaltonen, H.; Palviainen, M.; Zhou, X.; Köster, E.; Berninger, F.; Pumpanen, J.; Köster, K. (2019). Temperature sensitivity of soil organic matter decomposition after forest fire in Canadian permafrost region. Journal of Environmental Management, 241, 637−644.10.1016/j.jenvman.2019.02.130.
1.1.
2018
Palviainen, Marjo; Berninger, Frank; Bruckman, Viktor; Köster, Kajar; Ribeiro Moreira de Assumpção, Christine; Aaltonen, Heidi; Makita, Naoki; Mishra, Anup; Kulmala, Liisa; Adamczyk, Bartosz; Zhou, Xuan; Heinonsalo, Jussi; Köster, Egle; Pumpanen, Jukka (2018). Effects of biochar on carbon and nitrogen fluxes in boreal forest soil. Plant and Soil, 425, 71−85.10.1007/s11104-018-3568-y.
1.1.
2018
Köster, Kajar; Köster, Egle; Berninger, Frank; Heinonsalo, Jussi; Pumpanen, Jukka. (2018).

Contrasting effects of reindeer grazing on CO2, CH4, and N2O fluxes originating from the northern boreal forest floor

. Land Degradation and Development, 29, 374−381.10.1002/ldr.2868.
1.1.
2018
Santalahti, M.; Sun, H.; Sietiö, O.-M.; Köster, K.; Berninger, F.; Laurila, T.; Pumpanen, J.; Heinonsalo, J. (2018). Reindeer grazing alter soil fungal community structure and litter decomposition related enzyme activities in boreal coniferous forests in Finnish Lapland. Applied Soil Ecology, 132, 74−82.10.1016/j.apsoil.2018.08.013.
1.1.
2018
Köster, E.; Köster, K.; Berninger, F.; Prokushkin, A.; Aaltonen, H.; Zhou, X.; Pumpanen, J. (2018). Changes in fluxes of carbon dioxide and methane caused by fire in Siberian boreal forest with continuous permafrost. Journal of Environmental Management, 228, 405−415.10.1016/j.jenvman.2018.09.051.
1.1.
2018
Jõgiste, K.; Frelich, L.E.; Laarmann, D.; Vodde, F.; Baders, E.; Donis, J.; Jansons, A.; Kangur, A.; Korjus, H.; Köster, K.; Kusmin, J.; Kuuluvainen, T.; Marozas, V.; Metslaid, M.; Metslaid, S.; Polyachenko, O.; Poska, A.; Rebane, S.; Stanturf, J.A. (2018). Imprints of management history on hemiboreal forest ecosystems in the Baltic States. Ecosphere, 9 (11), Article e02503.10.1002/ecs2.2503.
3.4.
2018
Köster, K.; Köster, E.; Berninger, F.; Aaltonen, H.; Zhou, X.; Pumpanen, J. (2018). Greenhouse gas fluxes from a fire chronosequences in northern boreal forests. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2018, 215: Kuopio 2018. _EditorsAbbr Ed. Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 232−234.
3.4.
2018
Pumpanen, J.; Köster, K.; Aaltonen, H.; Köster, E.; Zhou, X.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Zhang-Turpeinen, H.; Biasi, C.; Bruckman, V.; Prokushkin, A.; Zhao, P.; Berninger, F. (2018). Long term effects of fire on carbon and nitrogen pools and fluxes in the arctic permafrost and subarctic forests (ARCTICFIRE). Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2018, 215: Kuopio 2018. _EditorsAbbr Ed. Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 362−364.
3.4.
2018
Zhou, X.; Hui, S.; Pumpanen, J.; Sietiö, O-M.; Heinonsalo, J.; Köster, K.; Berninger, F. (2018). The impact of wildfire on microbial C:N:P stoichiometry and the fungal-to-bacterial ratios in permafrost soils. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2018, 215. _EditorsAbbr Ed. Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 546−549.
5.2.
2018
Metslaid, M.; Orumaa, A.; Köster, E.; Parro, K.; Jõgiste, K.; Berninger, F.; Pumpanen, J.; Köster, K. (2018). How time since last forest fire affects soil greenhouse gas (CO2, CH4 and N2O) fluxes in hemiboreal Scots pine forest fire chronosequence. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-1533.
5.2.
2018
Köster, Kajar; Köster, Egle; Aaltonen, Heidi; Zhou, Xuan; Berninger, Frank; Pumpanen, Jukka. (2018). Forest fires and their effect on soil carbon turnover – comparison of permafrost and non-permafrost areas from Canada. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-6182.
5.2.
2018
Köster, Egle; Pumpanen, Jukka; Köster, Kajar. (2018). Biochar as a possible new tool for afforestation practices. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-6082-1.
5.2.
2018
Köster, Egle; Berninger, Frank; Köster, Kajar; Aaltonen, Heidi; Zhou, Xuan; Zhang-Turpeinen, Huizhong; Prokushkin, Anatoly; Pumpanen, Jukka. (2018). Fire caused changes in CO2 and CH4 fluxes in Siberian permafrost forests. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-7070.
5.2.
2018
Zhang-Turpeinen, Huizhong; Kivimäenpää, Minna; Prokushikin, Anatoly; Berninger, Frank; Köster, Kajar; Pumpanen, Jukka. (2018). Biogenic volatile organic compound emissions from forest floor along a fire chronosequence on permafrost in Central Siberia, Russia. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-13194-1.
6.3.
2018
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2018). Mis tunne on olla (noor) naisteadlane? Sirp, 8−9.
6.3.
2018
Sepp, Tuul; Köster, Kajar; Küngas, Rainer (2018). Kust sa tead, et kliima soojeneb? Riigikogu Toimetised, 38.
6.3.
2018
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2018). Kolm ettepanekut Eesti teaduse jätkusuutlikkuse tagamiseks. Postimees, 11.04.2018.
1.1.
2017
Köster, K.; Köster, E.; Kulmala, L.; Berninger, F.; Pumpanen, J. (2017).

Are the climatic factors combined with reindeer grazing affecting the soil CO2 emissions in subarctic boreal pine forest?

. Catena, 149 (2), 616−622.10.1016/j.catena.2016.06.011.
1.1.
2017
Jõgiste, K.; Korjus, H.; Stanturf, J. A.; Frelich, L. E.; Baders, E.; Donis, J.; Jansons, A.; Kangur, A.; Köster, K.; Laarmann, D.; Maaten, T.; Marozas, V.; Metslaid, M.; Nigul, K.; Polyachenko, O.; Randveer, T.; Vodde, F. (2017). Hemiboreal forest: natural disturbances and the importance of ecosystem legacies to management. Ecosphere, 8 (2), e01706.10.1002/ecs2.1706.
1.1.
2017
Palviainen, Marjo; Pumpanen, Jukka; Berninger, Frank; Ritala, Kaisa; Duan, Baoli; Heinonsalo, Jussi; Sun, Hui; Köster, Egle; Köster, Kajar (2017). Nitrogen balance along a northern boreal forest fire chronosequence. PLoS ONE, 12(3), e0174720.10.1371/journal.pone.0174720.
1.1.
2017
Köster, E.; Köster, K.; Berninger, F.; Aaltonen, H.; Zhou, X.; Pumpanen, J. (2017). Carbon dioxide, methane and nitrous oxide fluxes from a fire chronosequence in subarctic boreal forests of Canada. Science of the Total Environment, 601–602, 895−905.10.1016/j.scitotenv.2017.05.246.
3.4.
2017
Berninger, F.; Zhou, X.; Köster, K.; Aaltonen, H.; Köster, E.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Prokushkin, A.; Pumpanen, J. (2017). Implications of mycorrhiza, insights from a theoretical model. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki, 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 159−161.
3.4.
2017
Köster, E.; Köster, K.; Berninger, F.; Aaltonen, H.; Zhou, X.; Pumpanen J. (2017). Greenhouse gas fluxes from a fire chronosequence in northern boreal forests of Canada. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 302−304.
3.4.
2017
Köster, K.; Köster, E.; Berninger, F.; Heinonsalo, J.; Pumpanen, J. (2017). Grazing by reindeer in northern boreal forests – how it is affecting greenhouse gas emissions from forest floor. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 305−307.
3.4.
2017
Pumpanen, J.; Köster, K.; Aaltonen, H.; Köster, E.; Zhou, X.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Zhang-Turpeinen, H.; Biasi, C.; Bruckman, V.; Prokushkin, A.; Berninger, F. (2017). Long terme effects of fire on carbon and nitrogen pools and fluxes in the arctic permafrost and subarctic forests (ARCTICFIRE). Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki, 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 439−441.
3.4.
2017
Santalahti, M.; Sun, H.; Köster, K.; Berninger, F.; Sietiö, O.-M.; Raffaello, T.; Asiegbu, F.; Laurila, T.; Pennanen, T.; Jumpponen, A.; Pumpanen, J.; Heinonsalo, J. (2017). PYROFUNGI project highlights: the effect of season, natural disturbances and geographical location of fungal communities in boreal forests soils. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki, 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 503−506.
3.4.
2017
Köster, K.; Köster, E.; Aaltonen, H.; Zhou, X.; Berninger, F.; Prokushkin, A.; Pumpanen, J. (2017). Changes in greenhouse gas fluxes caused by fire in Siberian boreal forests. Report Series in Aerosol Science: Proceedings of the 3rd Pan-Eurasian Experiment (PEEX) Conference and the 7th PEEX Meeting, 201: Moscow, 2017. _EditorsAbbr Lappalainen H.K., Haapanala, P., Borisova, A., Chalov, S., Kasimov, N., Zilitinkevich, S., Kulmala, M. Finnish association for aerosol research, 236−237.
5.1.
2017
Köster, K.; Seglinš, K.; Parro, K.; Metslaid, M. (2017). Impact of postfire management on soil respiration and C concentration in a managed hemiboreal forest. Geophysical Research Abstracts, 19: EGU General Assembly 2017. Vienna: European Geosciences Union, EGU2017-11863.
5.2.
2017
Pumpanen, J.; Köster, K.; Aaltonen, H.; Köster, E.; Zhou, X.; Zhang-Turpeinen, H.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Biasi, C.; Bruckman, V.; Prokushkin, A.; Berninger; F. (2017). Long term effects of fire on carbon and nitrogen pools and fluxes in the arctic permafrost and subarctic forests (ARCTICFIRE). Geophysical Research Abstracts, 19: EGU General Assembly 2017. Vienna: European Geosciences Union, EGU2017-13341.
5.2.
2017
Berninger, F.; Zhou, X.; Aaltonen, H.; Köster, K.; Heinonsalo, J.; Pumpanen, J. (2017). Stochiometry, Microbial community composition and decomposition, a modelling analysis. Geophysical Research Abstracts, 19: EGU General Assembly. Vienna: European Geosciences Union, EGU2017-9763.
5.2.
2017
Köster, E.; Berninger, F.; Pumpanen, J.; Palviainen, M.; Köster, K. (2017). Biochar as a possible solution to shortcomings of traditional forest biomass utilization in Finland. Geophysical Research Abstracts, 19. European Geosciences Union, EGU2017-13512.
5.2.
2017
Aaltonen, H.; Palviainen, M.; Köster, K.; Berninger, F.; Pumpanen, J. (2017). Soil organic matter decomposition and temperature sensitivity after forest fire in permafrost regions in Canada. Geophysical Research Abstracts, 19: EGU General Assembly 2017. Vienna: European Geosciences Union, EGU2017-7359.
5.2.
2017
Köster, K.; Köster, E.; Berninger, F.; Pumpanen, J. (2017). Grazing by reindeer in subarctic coniferous forests – how it is affecting three main greenhouse gas emissions from soils. Geophysical Research Abstracts, 19. European Geosciences Union, EGU2017-12058.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Teadlaste koostöö ettevõtetega – kellele seda vaja on? Sirp, 37−37.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Põlevkivist elektri tootmisest on kujunemas piinlik igand. Sirp, 28−29.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Teadus kui haridusuuenduse toetuspunkt, vundament, vaade ja garantii. Sirp, 34−35.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Teadlaste otselepingud ja vaesus. Sirp, 33−35.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Kuhu viib teadlaste karjääriredel? Sirp, 7−8.
1.1.
2016
Köster, K.; Berninger, F.; Heinonsalo, J.; Linden, A.; Köster, E.; Ilvesniemi, H.; Pumpanen, J. (2016). The long-term impact of low-intensity surface fires on litter decomposition and enzyme activities in boreal coniferous forests. International Journal of Wildland Fire, 25 (2), 213−223.
1.1.
2016
Makita, N.; Pumpanen, J.; Köster, K.; Berninger, F. (2016). Changes in very fine root respiration and morphology with time since last fire in a boreal forest. Plant and Soil, 402, 303−316.10.1007/s11104-016-2801-9.
1.1.
2016
Sun, H.; Santalahti, M.; Pumpanen, J.; Köster, K.; Berninger, F.; Raffaello, T.; Asiegbu, F; Heinonsalo, J. (2016). Bacterial community structure and function shift across a northern boreal forest fire chronosequence. Scientific Reports, 6, 32411 .10.1038/srep32411.
1.1.
2016
Köster, Kajar; Köster, Egle; Orumaa, Argo; Parro, Kristi; Jõgiste, Kalev; Berninger, Frank; Pumpanen, Jukka; Metslaid, Marek (2016). How time since forest fire affects stand structure, soil physical-chemical properties and soil CO2 efflux in hemiboreal Scots pine forest fire chronosequence? Forests, 7, 201.10.3390/f7090201.
5.2.
2016
Ide, J.; Ohashi, M.; Köster, K.; Berninger, F.; Miura, I.; Makita, N.; Yamase, K.; Pumpanen, J. (2016). Changes in the quality of dissolved organic matter in soil water with time since last fire in a boreal forest. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-13158.
5.2.
2016
Makita, N.; Pumpanen, J.; Köster, K.; Berninger, F. (2016). Changes in very fine root respiration and morphology with time since last fire in a boreal forest. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-751.
5.2.
2016
Köster, K.; Köster, E.; Berninger, F.; Pumpanen, J. (2016). Climatic factors and reindeer grazing – the effects on soil carbon dynamics in subarctic boreal pine forest. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-5520.
5.2.
2016
Köster, K.; Köster, E.; Berninger, F.; Pumpanen, J. (2016). Disturbances (fire and grazing by reindeer) and soil methane fluxes – case studies from the subarctic boreal forest of Finish Lapland. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-5569.
5.2.
2016
Köster, K.; Metslaid, M.; Orumaa, A.; Parro, K.; Jõgiste, K.; Berninger, F.; Pumpanen, J.; Köster, E. (2016). Long term effects of forest fires to soil C content and soil CO2 efflux in hemiboreal Scots pine forests of Estonia. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-6622.
5.2.
2016
Palviainen, M.; Pumpanen, J.; Berninger, F.; Heinonsalo, J.; Sun, H.; Köster, E.; Köster, K. (2016). Nitrogen balance along a boreal forest fire chronosequence. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-6878.
6.3.
2016
Parro, Kristi; Metslaid, Marek; Orumaa, Argo; Köster, Kajar; Jõgiste, Kalev (2016). Uuring jälgib põlenud metsaalade taastumist. Eesti Mets, 4, 44−49.
1.1.
2015
Köster, Egle; Köster, Kajar; Berninger, Frank; Pumpanen, Jukka (2015). Carbon dioxide, methane and nitrous oxide fluxes from podzols of a fire chronosequence in the boreal forests in Värriö, Finnish Lapland. Geoderma Regional, 5, 181−187.
1.1.
2015
Köster, Kajar; Berninger, Frank; Köster, Egle; Pumpanen, Jukka (2015). Influences of Reindeer Grazing on Above- and Belowground Biomass and Soil Carbon Dynamics. Arctic, Antarctic, and Alpine Research, 47, 495−503.10.1657/AAAR0014-062.
1.1.
2015
Köster, Kajar; Metslaid, Marek; Engelhart, Jeroen; Köster, Egle (2015). Dead wood basic density, and the concentration of carbon and nitrogen for main tree species in managed hemiboreal forests. Forest Ecology and Management, 354, 35−42.10.1016/j.foreco.2015.06.039.
1.1.
2015
Parro, Kristi; Metslaid, Marek; Renel, Getter; Sims, Allan; Stanturf, John; Jõgiste, Kalev; Köster, Kajar (2015). Impact of postfire management on forest regeneration in a managed hemiboreal forest, Estonia. Canadian Journal of Forest Research, 45 (9), 1192−1197.10.1139/cjfr-2014-0514.
1.1.
2015
Sun, H.; Santalahti, M.; Pumpanen, J.; Köster, K.; Berninger, F.; Raffaello, T.; Jumpponen, A.; Asiegbu, F. O.; Heinonsalo, J. (2015). Fungal community shifts in structure and function across a boreal forest fire chronosequence. Applied and Environmental Microbiology, 81 (22), 7869−7880.AEM.02063-15.
3.1.
2015
Köster, K.; Berninger, F.; Heinonsalo, J.; Köster, E.; Pumpanen, J. (2015). Post-fire recovery of soil microbial biomass and enzymatic activity in northern boreal fire chronosequence. Report Series in Aerosol Science N:o 163: 1st Pan-Eurasian Experiment (PEEX) Conference and the 5th PEEX Meeting.. _EditorsAbbr Kulmala, M., Zilitinkevich, S., Lappalainen, H., Kyrö, E-M., Kontkanen, J. Helsinki: Finnish association for aerosol research, 215−217.
5.2.
2015
Köster, K.; Berninger, F.; Köster, E.; Pumpanen, J. (2015). Reindeer grazing in subarctic boreal forest – influences on the soil carbon dynamics. Geophysical Research Abstracts: European Geosciences Union General Assembly 2015. Vol. 17, EGU2015-13278.
5.2.
2015
Pumpanen, J.; Aaltonen, H.; Lindén, A.; Köster, K.; Biasi, C.; Heinonsalo, J. (2015). Effect of long-term drought on carbon allocation and nitrogen uptake of Pinus sylvestris seedlings. Geophysical Research Abstracts: European Geosciences Union General Assembly 2015. Vol. 17, EGU2015-13439-1.
5.2.
2015
Parro, Kristi; Metslaid, Marek; Sims, Allan; Jõgiste, Kalev; Köster, Kajar (2015). Impact of post-fire management on forest regeneration in a managed hemiboreal forest, Estonia. Book of Abstracts: Sustaining ecosystem services in forest landscapes, IUFRO Landscape Ecology Conference, 23-30 August 2015 Tartu, Estonia. 120−120.
1.1.
2014
Köster, K.; Berninger, F.; Lindén, A.; Köster, E.; Pumpanen, J. (2014). Recovery in fungal biomass is related to decrease in soil organic matter turnover time in a boreal fire chronosequence. Geoderma, 235-236, 74−82.10.1016/j.geoderma.2014.07.001.
3.1.
2014
Santalahti, M.; Sun, H.; Pumpanen, J.; Köster, K.; Berninger, F.; Asiegbu, F.; Raffaello, T.; Jumponen, A.; Heinonsalo, J. (2014). Soil fungal community structure in three different ecosystem stations in Finland. Proceedings of "the Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Helsinki: Finnish association for aerosol research,. (Report Series in Aerosol Science N:o 157).
3.1.
2014
Pumpanen, J.; Heinonsalo, J.; Köster, K.; Ojala, A.; Linden, A.; Rasilo, T.; Berninger, F.; Pihlatie, M.; Kieloaho, A.-J.; Aaltonen, H.; Kulmala, L.; Levula, J.; Bäck, J.; Hari, P.; Aaltonen, H.; Starr, M.; Vesala, T. (2014). Feedback mechanisms between below-ground carbon allocation, soil organic matter turnover and carbon fluxes. Proceedings of "The Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Finnish association for aerosol research,. (Report Series in Aerosol Science N:o 157).
3.1.
2014
Matkala, L.; Dengel, S.; Juutinen, S.; Pumpanen, J.; Köster, K.; Hari, P.; Petäjä, T.; Bäck, J. (2014). First steps of the Sokli project in eastern Lapland. Proceedings of "The Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Finnish association for aerosol research, 443−445. (Report Series in Aerosol Science N:o 157).
3.1.
2014
Köster, K.; Berninger, F.; Köster, E.; Pumpanen, J. (2014). Is reindeer grazing affecting the soil carbon dynamics in subarctic boreal forest? Proceedings of "the Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Helsinki: Finnish association for aerosol research, 361−363. (Report Series in Aerosol Science N:o 157).
5.2.
2014
Parro, K.; Metslaid, M.; Renel, G.; Sims, A.; Köster, K. (2014). Impact of post-fire management treatments on regeneration. Books of abstracts: Forest landscape mosaics: disturbance, restoration and management at times of global change, Tartu, Estonia, 11. - 14. august 2014. Ecoprint, 70.
5.2.
2014
Parro, K.; Seglinš, K.; Köster, K. (2014). Effects of forest fires and post-fire management activities on soil carbon pools in northwestern Estonia. Books of abstracts: Forest landscape mosaics: disturbance, restoration and management at times of global change, Tartu, Estonia, 11. - 14. august 2014. Tartu: Ecoprint,.
5.2.
2014
Köster, K.; Berninger, F.; Pumpanen, J. (2014). Long term implications of fire to soil C content and soil CO2 efflux in northern boreal forests. Geophysical Research Abstracts, 16: European Geosciences Union (EGU) General Assembly 2014, Austria, Vienna, 27.04 - 02.05.2014..
1.1.
2013
Vodde, Floortje; Köster, Kajar; Metslaid, Marek; Kuuluvainen, Timo (2013). Preface to the special issue: the impact of ungulates and other mammalian herbivores on forest ecosystems. Boreal Environment Research, 18 (Suppl. A), 1−3.
1.1.
2013
Köster, E.; Köster, K.; Aurela, M.; Laurila, T.; Berninger, F.; Lohila, A.; Pumpanen, J. (2013). Impact of reindeer herding on vegetation biomass and soil carbon content: a case study from Sodankylä, Finland. Boreal Environment Research, 18 (Suppl. A), 35−42.
1.1.
2013
Metslaid, Marek; Köster, Kajar; Jõgiste, Kalev; Randveer, Tiit; Voolma, Kaljo; Moser, W. Keith (2013). The effect of simulated bark stripping by moose on Scots pine height growth: an experimental treatment. Baltic Forestry, 19 (1), 61−66.
3.1.
2013
Pumpanen, J.; Heinosalo, J.; Pihlatie, M.; Aaltonen, H.; Berninger, F.; Bäck, J.; Hari, P.; Kieloaho, A.-J.; Korhonen, J.F.J.; Köster, K.; Lindén, A.; Kulmala, L.; Kulmala, M.; Nikinmaa, E.; Ojala, A.; Rasilo, T.; Vesala, T. (2013). Rhizosphere processes play an important role in soil organic matter; Decomposition and greenhouse gas fluxes in boreal landscape; Summary of soil research carried out at FCoE during the second FCoE period (2009-2013). Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. _EditorsAbbr Kulmala M., Lappalainen K. H., Brus M., Kontkanen J. Helsinki: Finnish association for aerosol research, 76−85. (REPORT SERIES IN AEROSOL SCIENCE N:o 142).
3.1.
2013
Santalahti, M.; Sun, H.; Kieloaho, A.-J.; Asiegbu, F.; Berninger, F.; Köster, K.; Pumpanen, J.; Heinonsalo, J. (2013). The interactions between soil fungal communities and soil organic nitrogen (SON) transformation in boreal forests – the effects of season, geographical location and natural disturbances. Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. _EditorsAbbr Kulmala M., Lappalainen K. H., Brus M., Kontkanen J. Finnish association for aerosol research, 482−484. (REPORT SERIES IN AEROSOL SCIENCE N:o 142).
3.1.
2013
Köster, K.; Heinosalo, J.; Pumpanen, J.; Köster, E.; Berninger, F. (2013). Changes in soil enzyme activities and litter decomposition across the chronosequence of forest fires in Värriö strict nature reserve, Eastern Lapland. Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. _EditorsAbbr Kulmala M., Lappalainen K. H., Brus M., Kontkanen J. Helsinki: Finnish association for aerosol research, 299−301. (REPORT SERIES IN AEROSOL SCIENCE N:o 142).
3.4.
2013
Salminen, O.; Haapanala, S.; Köster, E.; Valkama, P.; Ahponen, H.; Köster, K.; Pumpanen, J.; Vesala, T. and Nikinmaa E. (2013). The impact of constructed urban wetlands on greenhouse gas balance and runoff treatment, Case Nummela. HENVI Science Days on Can Forest Management Change Climate? 16-17th April 2013. Abstract volume.: HENVI Science Days on Can Forest Management Change Climate? 16.-17. April 2013, Helsinki, Finland. 28.
3.4.
2013
Berninger, F. Köster, K. Pumpanen, J. (2013). Long term effects of fire on the carbon balance in boreal forests. Geophysical Research Abstracts: European Geosciences Union (EGU) General Assembly 2012, Austria, Vienna, 07. - 12.04.2013. (vol. 15).
3.4.
2013
Köster, K; Berninger, F; Lindén, A; Pumpanen, J. (2013). The effect of fungal and microbial biomass on soil organic matter pool in Boreal forest after fire. Special issue: Fire efects on soil organic matter: 4th Int. Meeting Fire Effects on Soil Properties (FESP4), 2-5 July 2013, Mykolas Romeris University, Vilnius (Lithuania). FLAMMA, 5−7. (6(1)).
4.1.
2013
Vodde, Floor; Köster, Kajar; Metslaid, Marek; Kuuluvainen, Timo (2013). Boreal Environment Research Vol 18, Supplement A. In: Vodde, Floor; Köster, Kajar; Metslaid; Marek; Kuuluvainen, Timo (_EditorsAbbr). .. Boreal Environment Research Publishing Board.
5.2.
2013
Noe, Steffen Manfred; Krasnova, Alisa; Krasnov, Dmitrii; Portillo-Estrada, Miguel; Püttsepp, Ülle; Kimmel, Veljo; Köster, Kajar; Jõgiste, Kalev; Kangur, Ahto (2013). Trace gas concentrations and fluxes in a hemiboreal mixed forest. GHG Europe 2013 - Open Science Conference, Antwerp, 16-18.09.2013.
3.1.
2012
Köster, K.; Pumpanen, J.; Berninger, F. (2012). Recovery of soil carbon pools in a chronosequence of forest fires in Värriö strict nature reserv, Eastern Lapland. Proceedings of Finnish Center of Excellence in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change', and Nordic Center of Excellence in 'Cryosphere-Atmosphere Interactions in a Changing Arctic Climate' Annual Meetings 2012. _EditorsAbbr Kulmala, M.; Lappalainen, H.; Boy, M.; Brus, M. and Nieminen T. Helsinki: Finnish association for aerosol research, 413−415. (REPORT SERIES IN AEROSOL SCIENCE N:o 134).
3.4.
2012
Metslaid, Marek; Engelhart, Jeroen; Jõgiste, Kalev; Metslaid, Sandra; Vodde, Floortje; Köster, Kajar (2012). Growth response of Norway spruce advance regeneration to release: a decade of measurements on height, diameter and shoot characteristics. Proceedings of the International Conference Uneven-aged silviculture: optimising timber production, ecosystem services and resilience to climate change: Uneven-aged silviculture: optimising timber production, ecosystem services and resilience to climate change, Christchurch, New Zealand, 12-16 November 2012. _EditorsAbbr Glenn Stewart. 28−29.
3.4.
2012
Köster, K; Pumpanen, J; Berninger, F. (2012). Recovery of soil carbon and nitrogen pools following forest fires in eastern Lapland, Finland. Geophysical Research Abstracts: European Geosciences Union (EGU) General Assembly 2012, Austria, Vienna, 07. - 12.04.2012. (vol. 14).
1.1.
2011
Vodde, Floortje; Jõgiste, Kalev; Kubota, Yasuhiro; Kuuluvainen, Timo; Köster, Kajar; Lukjanova, Aljona; Metslaid, Marek; Yoshida, Toshiya (2011). The influence of storm-induced microsites to tree regeneration patterns in boreal and hemiboreal forest. Journal of Forest Research, 16 (3), 155−167.10.1007/s10310-011-0273-6.
1.1.
2011
Mandre, Malle; Kiviste, Andres; Köster, Kajar (2011). Environmental stress and forest ecosystem. Forest Ecology and Management, 262 (2), 53−55.10.1016/j.foreco.2010.10.008.
1.1.
2011
Köster, K.; Püttsepp, Ü.; Pumpanen, J. (2011). Comparison of soil CO2 flux between uncleared and cleared windthrow areas in Estonia and Latvia. Forest Ecology and Management, 262 (2), 65−70.10.1016/j.foreco.2010.09.023.
3.4.
2011
Köster, Kajar; Jõgiste, Kalev (2011). Nutrient (N, C, S) consentrations and wood decomposition in windthrow areas in Estonia. Abstracts of the International Symposium on dynamics and ecological services of dead wood in forest ecosystems: dead wood and dying trees, a matter of life and diversity: The International Symposium on dynamics and ecological services of dead wood in forest ecosystems: dead wood and dying trees, a matter of life and diversity. May 15-19,2011. Rouyn-Noranda, Quebec, Canada. 54.
3.4.
2011
Engelhart, Jeroen; Jõgiste, Kalev; Köster, Kajar; Metslaid, Marek; Vodde, Floortje (2011). Natural forest regeneration after windthrow in the hemiboreal zone. Workbook of the 7th International Conference on Disturbance Dynamics in Boreal Forests: 7th International Conference on Disturbance Dynamics in Boreal Forests, Saguenay, Quebec, Canada, 29 May-3 June 2011. 71−71.
5.2.
2011
Vodde, F.; Jõgiste, K.; Engelhart, J.; Köster, K.; Metslaid, M. (2011). http://ftacademy.ru/UserFiles/ICFFI_News_2011.pdf. ICFFI News, 1(13): Ecosystem Design for Multiple Services - with an emphasis on Eurasian Boreal Forests, St. Peterburg State Forest Technical University, 9-11 November 2011. _EditorsAbbr Maxim Chubinsky, Klaus von Gadov. St. Petersburg State Forest Technical University: International Centre of Forestry and Forest Industries, 65−65.
1.1.
2010
Vodde, F.; Jõgiste, K.; Gruson, L.; Ilisson, T.; Köster, K.; Stanturf, J.A. (2010). Regeneration in windthrow areas in hemi-boreal forests: the influence of microsite on the height growth of different tree species. Journal of Forest Research, 15 (1), 55−64.10.1007/s10310-009-0156-2.
3.4.
2010
Metslaid, Marek; Jõgiste, Kalev; Vodde, Floortje; Köster, Kajar (2010). Growth of advance regeneration of Norway spruce following release. Proceedings of the International Conference 21st Century forestry: Integrating ecologically-based, uneven-aged silviculture with increased demands for forests: 21st Century forestry: Integrating ecologically-based, uneven-aged silviculture with increased demands for forests, Ljubljana, Slovenia, 23-30 September 2010. _EditorsAbbr Jurij Diaci. 34−34.
1.1.
2009
Parro, K.; Köster, K.; Jõgiste, K.; Vodde, F. (2009). Vegetation dynamics in a fire damaged forest area: the response of major ground vegetation species. Baltic Forestry, 15 (2), 206−215.
1.1.
2009
Köster, K.; Ilisson, T.; Tukia, H.; Jõgiste, K.; Mõls, T. (2009). Early Effects after Forest Disturbance in Decomposition of Trees in two Windthrown Areas in East Estonia. Baltic Forestry, 15 (2), 143−150.
1.1.
2009
Laarmann, Diana; Korjus, Henn; Sims, Allan; Stanturf, John A.; Kiviste, Andres; Köster, Kajar (2009). Analysis of forest naturalness and tree mortality patterns in Estonia. Forest Ecology and Management, S187−S195.10.1016/j.foreco.2009.07.014.
1.1.
2009
Köster, Kajar; Voolma, Kaljo; Jõgiste, Kalev; Metslaid, Marek; Laarmann, Diana (2009). Assessment of tree mortality after windthrow using photo-derived data. Annales Botanici Fennici, 46 (4), 291−298.
2.3.
2009
Köster, K. (2009). Dynamics of living and dead woody biomass in forest ecosystem after windthrow. (Doktoritöö, Eesti Maaülikool). Tartu: Ecoprint.
3.2.
2009
Köster, Kajar; Jõgiste, Kalev; Vodde, Floortje; Metslaid, Marek (2009). Expansion of heavily damaged windthrow areas through tree mortality in surrounding areas. Proceedings of the 2nd International Conference Wind Effects on Trees: 2nd International Conference Wind Effects on Trees, Freiburg, Germany, 13-16 October 2009. _EditorsAbbr Mayer, Helmut; Schindler, Dirk. Freiburg, 277−281. (Berichte des Meteorologischen Instituts der Albert-Ludwigs-Universität Freiburg; 19).
3.2.
2009
Metslaid, Marek; Köster, Kajar; Vodde, Floortje; Jõgiste, Kalev (2009). Acclmation and growth response of Norway spruce advance regeneration after release. Proceedings of the 2nd International Conference Wind Effects on Trees: 2nd International Conference Wind Effects on Trees, Freiburg, Germany, 13-16 October 2009. _EditorsAbbr Mayer, Helmut; Schindler, Dirk. Freiburg, 177−182. (Berichte des Meteorologischen Instituts der Albert-Ludwigs-Universität Freiburg; 19).
3.1.
2008
Köster, K.; Kangur, A.; Hari, P.; Jõgiste, K. (2008). Test in Estonia at the southern border of the boreal zone. In: Hari, P.; Kulmala, L. (_EditorsAbbr). Boreal forest and climate change (468−471).. Springer. (Advances on global change research; 34).
3.4.
2008
Köster, Kajar; Vodde, Floortje; Jõgiste, Kalev; Ilisson, Triin (2008). The regeneration development in storm damaged areas with different damage severity. Abstracts of conference on Feasibility of Silviculture for Complex Stand Structures. Designing Stand Structures for Sustainability and Multiple objectives: 6th Workshop of Uneven-aged Silviculture IUFRO 1.05 group, Shizuoka, 24-27 Oct, 2008. 148.
3.4.
2008
Metslaid, Marek; Köster, Kajar; Jõgiste, Kalev (2008). Stand structure and regeneration of Norway spruce forests in Estonia. Abstracts of the Conference on Feasibility of Silviculture for Complex Stand Structures: Feasibility of Silviculture for Complex Stand Structures, Shizuoka, Japan, 24-27 October 2008. Shizuoka, Japan, 80−80.
1.1.
2007
Ilisson, Triin; Köster, Kajar; Vodde, Floortje, Jõgiste Kalev (2007). Regeneration development 4-5 years after a storm in Norway spruce dominated forests, Estonia. Forest Ecology and Management, 250, 17−24.10.1016/j.foreco.2007.03.022.
3.4.
2007
Köster, K., Metslaid, M., Jõgiste, K. and Ilisson, T. (2007). Species influence to the mechanism of wind damage in mixed stands. Schedule and Abstracts for Oral and Poster Presenters. International Conference on Wind and Trees. IUFRO 8.01.11: International Conference on Wind and Trees, Vancouver, British Columbia, Canada, August 5-9, 2007. Vancouver, British Columbia, Canada, 83−83.
3.5.
2007
Köster, Kajar; Ilisson, Triin; Jõgiste, Kalev (2007). Nutrients in coarse woody debris and forest regeneration in windthrow areas. Miškininkyste, 1(61): SNS network "Natural Doisturbance Dynamics Analysis for Forest Ecosystem Management". 13−19.
3.4.
2006
Köster, Kajar; Ilisson, Triin; Jõgiste, Kalev (2006). The regeneration development in storm damaged areas with different damage severity and nutrient (NPK) content in soil. Abstracts of the Conference on Natural disturbance-based silviculture: Managing for complexity. IUFRO 1.05 Uneven-aged Silviculture Research Group: Natural disturbance-based silviculture: Managing for complexity, Rouyn-Noranda, QC, Canada, May 14 – 18, 2006. Rouyn-Noranda (Quebec, Canada), 210−212.
1.1.
2005
Koster, K.; Jogiste, K.; Tukia, H.; Niklasson, M.; Mols, T. (2005). Variation and ecological characteristics of coarse woody debris in Lahemaa and Karula National Parks, Estonia. Scandinavian Journal of Forest Research, 20, 102−111.
3.1.
2004
Köster, Kajar; Seedre, Meelis; Tukia, Harri; Niklasson, Mats; Jõgiste, Kalev (2004). Nature conservation and dead wood in forest ecosystem. Proceedings of the Intenational conference “Natural Disturbances and Ecosystem-Based Forest Management": Intenational conference “Natural Disturbances and Ecosystem-Based Forest Management, May 27-28, 2004, Tartu, Estonia. _EditorsAbbr Kangur, Ahto. Tartu: Estonian Agricultural University, 13−16. (Transactions of the Faculty of Forestry, Estonian Agricultural University; 37).
3.2.
2003
Köster, K.; Seedre, M.; Jõgiste, K.; Tukia, H. (2003). Coarse woody debris analysis in Karula and Lahemaa National Park. EPMÜ metsandusteaduskonna toimetised. (Transactions of the Faculty of Forestry, Estonian Agricultural University) (55−70).. Tartu: Eesti Põllumajandusülikool.
3.2.
2002
Seedre, Meelis; Köster, Kajar; Jõgiste, Kalrv (2002). Metsaökosüsteemi looduslikkuse taastamine ja vastava katseala iseloomustus Lahemaa Rahvuspargis. EPMÜ metsandusteaduskonna toimetised, 35, 85−91.
16.05.2019

Kajar Köster

https://www.etis.ee/CV/Kajar_Koster/eng
22.10.1979
kajar.koster@helsinki.fi
C-8397-2012

Career

Institution and occupation
01.05.2017–...   
University of Helsinki, Viikki Plant Science Centre (ViPS), Principal investigator (1,00)
01.01.2017–...   
University of Helsinki, Department of Forest Sciences, Academy Research Fellow (1,00)
01.01.2017–01.02.2017   
Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, Department of Forest Biology, Senior Researcher (0,50)
01.01.2016–31.08.2016   
University of Helsinki, ICOS-Finland Researcher (0,20)
01.01.2015–31.12.2016   
Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, Department of Forest Biology, Senior Researcher (1,00)
2010–2014   
Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, Department of Forest Biology, Senior Researcher (1,00)
01.01.2010–31.12.2015   
Helsingi Ülikool, University of Helsinki, Department of Forest Sciences, postdoctoral researcher (0,50)
2004–2009   
Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, senior laboratory assistant (1,00)
 
 
Education
2010–2013   
University of Helsinki, Department of Forest Sciences, postdoctoral research
2005–2009   
Estonian University of Life Sciences, Forestry, PhD studies
2003–2004   
Swedish University of Agricultural Sciences, MSc program
2003–2005   
Estonian Agricultural University, MSc
1999–2003   
Estonian Agricultural University, Bachelor
1995–1998   
Tõrva Gymnasium
1986–1995   
Riidaja Primary School
 
 
R&D related managerial and administrative work
2017−...   
2001−2003   
 
 
Additional career information
2015-2016 Kone Foundation grant "Reindeer grazing vs. changes in above- and below ground biota and soil carbon dynamics in subarctic boreal forests - guilty or not?";
2013-2014 Finish Cultural Foundation grant "Carbon neutrality of reindeer management";
;

Qualifications

Academic degrees
Kajar Köster, Doctor's Degree, 2009, (sup) Kalev Jõgiste, Dynamics of living and dead woody biomass in forest ecosystem after windthrow, Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, Department of Forest Biology.
Kajar Köster, Research Master's Degree, 2005, (sup) Kalev Jõgiste, Puidu lagunemise dünaamika Halliku ja Tudu tormialadel, Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, Department of Forest Biology.
 
 
Honours & awards
2017, Kajar Köster, Estonian national research award in the field of agricultural science
 
 
Field of research
FIELD OF RESEARCH: 1. Biosciences and Environment; 1.4. Ecology, Biosystematics and -physiology; CERCS SPECIALTY: B270 Plant ecology ; SPECIALITY: Changes after disturbances and recovery (soil, ground vegetation, stand level)
FIELD OF RESEARCH: 1. Biosciences and Environment; 1.5. Forest Sciences; CERCS SPECIALTY: B430 Sylviculture, forestry, forestry technology ; SPECIALITY: Disturbance ecology (fire, wind, game)
 
 

Projects in progress

Completed projects

Dissertations under supervision

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2019
Zhou, Xuan; Sun, Hui; Pumpanen, Jukka; Sietio, Outi-Maaria; Heinonsalo, Jussi; Koster, Kajar; Berninger, Frank (2019). The impact of wildfire on microbial C:N:P stoichiometry and the fungal-to-bacterial ratio in permafrost soil. Biogeochemistry, 142 (1), 1−17.10.1007/s10533-018-0510-6.
1.1.
2019
Parro, K.; Köster, K.; Jõgiste, K.; Seglinš, K.; Sims, A.; Stanturf, J. A.; Metslaid, M. (2019). Impact of post-fire management on soil respiration, carbon and nitrogen content in a managed hemiboreal forest. Journal of Environmental Management, 233, 371−377.10.1016/j.jenvman.2018.12.050.
1.1.
2019
Zhao, P.; Palviainen, M.; Köster, K.; Berninger, F.; Bruckman, V.; Pumpanen, J. (2019). Effects of Biochar on Fluxes and Turnover of Carbon in Boreal Forest Soils. Soil Science Society of America Journal, 83, 126−136.10.2136/sssaj2018.04.0149.
1.1.
2019
Kulmala, L.; Pumpanen, J.; Kolari, P.; Dengel, S.; Berninger, F.; Köster, K.; Matkala, L.; Vanhatalo, A.; Vesala, T.; Bäck, J. (2019). Inter- and intra-annual dynamics of photosynthesis differ between forest floor vegetation and tree canopy in a subarctic Scots pine stand. Agricultural and Forest Meteorology, 271, 1−11.10.1016/j.agrformet.2019.02.029.
1.1.
2019
Aaltonen, Heidi; Köster, Kajar; Köster, Egle; Berninger, Frank; Zhou, Xuan; Karhu, Kristiina; Biasi, Christina; Bruckman, Viktor; Palviainen, Marjo; Pumpanen, Jukka (2019). Forest fires in Canadian permafrost region: the combined effects of fire and permafrost dynamics on soil organic matter quality. Biogeochemistry, 143, 257−274.10.1007/s10533-019-00560-x.
1.1.
2019
Aaltonen, H.; Palviainen, M.; Zhou, X.; Köster, E.; Berninger, F.; Pumpanen, J.; Köster, K. (2019). Temperature sensitivity of soil organic matter decomposition after forest fire in Canadian permafrost region. Journal of Environmental Management, 241, 637−644.10.1016/j.jenvman.2019.02.130.
1.1.
2018
Palviainen, Marjo; Berninger, Frank; Bruckman, Viktor; Köster, Kajar; Ribeiro Moreira de Assumpção, Christine; Aaltonen, Heidi; Makita, Naoki; Mishra, Anup; Kulmala, Liisa; Adamczyk, Bartosz; Zhou, Xuan; Heinonsalo, Jussi; Köster, Egle; Pumpanen, Jukka (2018). Effects of biochar on carbon and nitrogen fluxes in boreal forest soil. Plant and Soil, 425, 71−85.10.1007/s11104-018-3568-y.
1.1.
2018
Köster, Kajar; Köster, Egle; Berninger, Frank; Heinonsalo, Jussi; Pumpanen, Jukka. (2018).

Contrasting effects of reindeer grazing on CO2, CH4, and N2O fluxes originating from the northern boreal forest floor

. Land Degradation and Development, 29, 374−381.10.1002/ldr.2868.
1.1.
2018
Santalahti, M.; Sun, H.; Sietiö, O.-M.; Köster, K.; Berninger, F.; Laurila, T.; Pumpanen, J.; Heinonsalo, J. (2018). Reindeer grazing alter soil fungal community structure and litter decomposition related enzyme activities in boreal coniferous forests in Finnish Lapland. Applied Soil Ecology, 132, 74−82.10.1016/j.apsoil.2018.08.013.
1.1.
2018
Köster, E.; Köster, K.; Berninger, F.; Prokushkin, A.; Aaltonen, H.; Zhou, X.; Pumpanen, J. (2018). Changes in fluxes of carbon dioxide and methane caused by fire in Siberian boreal forest with continuous permafrost. Journal of Environmental Management, 228, 405−415.10.1016/j.jenvman.2018.09.051.
1.1.
2018
Jõgiste, K.; Frelich, L.E.; Laarmann, D.; Vodde, F.; Baders, E.; Donis, J.; Jansons, A.; Kangur, A.; Korjus, H.; Köster, K.; Kusmin, J.; Kuuluvainen, T.; Marozas, V.; Metslaid, M.; Metslaid, S.; Polyachenko, O.; Poska, A.; Rebane, S.; Stanturf, J.A. (2018). Imprints of management history on hemiboreal forest ecosystems in the Baltic States. Ecosphere, 9 (11), Article e02503.10.1002/ecs2.2503.
3.4.
2018
Köster, K.; Köster, E.; Berninger, F.; Aaltonen, H.; Zhou, X.; Pumpanen, J. (2018). Greenhouse gas fluxes from a fire chronosequences in northern boreal forests. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2018, 215: Kuopio 2018. _EditorsAbbr Ed. Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 232−234.
3.4.
2018
Pumpanen, J.; Köster, K.; Aaltonen, H.; Köster, E.; Zhou, X.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Zhang-Turpeinen, H.; Biasi, C.; Bruckman, V.; Prokushkin, A.; Zhao, P.; Berninger, F. (2018). Long term effects of fire on carbon and nitrogen pools and fluxes in the arctic permafrost and subarctic forests (ARCTICFIRE). Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2018, 215: Kuopio 2018. _EditorsAbbr Ed. Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 362−364.
3.4.
2018
Zhou, X.; Hui, S.; Pumpanen, J.; Sietiö, O-M.; Heinonsalo, J.; Köster, K.; Berninger, F. (2018). The impact of wildfire on microbial C:N:P stoichiometry and the fungal-to-bacterial ratios in permafrost soils. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2018, 215. _EditorsAbbr Ed. Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 546−549.
5.2.
2018
Metslaid, M.; Orumaa, A.; Köster, E.; Parro, K.; Jõgiste, K.; Berninger, F.; Pumpanen, J.; Köster, K. (2018). How time since last forest fire affects soil greenhouse gas (CO2, CH4 and N2O) fluxes in hemiboreal Scots pine forest fire chronosequence. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-1533.
5.2.
2018
Köster, Kajar; Köster, Egle; Aaltonen, Heidi; Zhou, Xuan; Berninger, Frank; Pumpanen, Jukka. (2018). Forest fires and their effect on soil carbon turnover – comparison of permafrost and non-permafrost areas from Canada. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-6182.
5.2.
2018
Köster, Egle; Pumpanen, Jukka; Köster, Kajar. (2018). Biochar as a possible new tool for afforestation practices. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-6082-1.
5.2.
2018
Köster, Egle; Berninger, Frank; Köster, Kajar; Aaltonen, Heidi; Zhou, Xuan; Zhang-Turpeinen, Huizhong; Prokushkin, Anatoly; Pumpanen, Jukka. (2018). Fire caused changes in CO2 and CH4 fluxes in Siberian permafrost forests. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-7070.
5.2.
2018
Zhang-Turpeinen, Huizhong; Kivimäenpää, Minna; Prokushikin, Anatoly; Berninger, Frank; Köster, Kajar; Pumpanen, Jukka. (2018). Biogenic volatile organic compound emissions from forest floor along a fire chronosequence on permafrost in Central Siberia, Russia. Geophysical Research Abstracts, 20: EGU General Assembly 2018. Vienna: European Geosciences Union, EGU2018-13194-1.
6.3.
2018
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2018). Mis tunne on olla (noor) naisteadlane? Sirp, 8−9.
6.3.
2018
Sepp, Tuul; Köster, Kajar; Küngas, Rainer (2018). Kust sa tead, et kliima soojeneb? Riigikogu Toimetised, 38.
6.3.
2018
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2018). Kolm ettepanekut Eesti teaduse jätkusuutlikkuse tagamiseks. Postimees, 11.04.2018.
1.1.
2017
Köster, K.; Köster, E.; Kulmala, L.; Berninger, F.; Pumpanen, J. (2017).

Are the climatic factors combined with reindeer grazing affecting the soil CO2 emissions in subarctic boreal pine forest?

. Catena, 149 (2), 616−622.10.1016/j.catena.2016.06.011.
1.1.
2017
Jõgiste, K.; Korjus, H.; Stanturf, J. A.; Frelich, L. E.; Baders, E.; Donis, J.; Jansons, A.; Kangur, A.; Köster, K.; Laarmann, D.; Maaten, T.; Marozas, V.; Metslaid, M.; Nigul, K.; Polyachenko, O.; Randveer, T.; Vodde, F. (2017). Hemiboreal forest: natural disturbances and the importance of ecosystem legacies to management. Ecosphere, 8 (2), e01706.10.1002/ecs2.1706.
1.1.
2017
Palviainen, Marjo; Pumpanen, Jukka; Berninger, Frank; Ritala, Kaisa; Duan, Baoli; Heinonsalo, Jussi; Sun, Hui; Köster, Egle; Köster, Kajar (2017). Nitrogen balance along a northern boreal forest fire chronosequence. PLoS ONE, 12(3), e0174720.10.1371/journal.pone.0174720.
1.1.
2017
Köster, E.; Köster, K.; Berninger, F.; Aaltonen, H.; Zhou, X.; Pumpanen, J. (2017). Carbon dioxide, methane and nitrous oxide fluxes from a fire chronosequence in subarctic boreal forests of Canada. Science of the Total Environment, 601–602, 895−905.10.1016/j.scitotenv.2017.05.246.
3.4.
2017
Berninger, F.; Zhou, X.; Köster, K.; Aaltonen, H.; Köster, E.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Prokushkin, A.; Pumpanen, J. (2017). Implications of mycorrhiza, insights from a theoretical model. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki, 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 159−161.
3.4.
2017
Köster, E.; Köster, K.; Berninger, F.; Aaltonen, H.; Zhou, X.; Pumpanen J. (2017). Greenhouse gas fluxes from a fire chronosequence in northern boreal forests of Canada. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 302−304.
3.4.
2017
Köster, K.; Köster, E.; Berninger, F.; Heinonsalo, J.; Pumpanen, J. (2017). Grazing by reindeer in northern boreal forests – how it is affecting greenhouse gas emissions from forest floor. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 305−307.
3.4.
2017
Pumpanen, J.; Köster, K.; Aaltonen, H.; Köster, E.; Zhou, X.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Zhang-Turpeinen, H.; Biasi, C.; Bruckman, V.; Prokushkin, A.; Berninger, F. (2017). Long terme effects of fire on carbon and nitrogen pools and fluxes in the arctic permafrost and subarctic forests (ARCTICFIRE). Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki, 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 439−441.
3.4.
2017
Santalahti, M.; Sun, H.; Köster, K.; Berninger, F.; Sietiö, O.-M.; Raffaello, T.; Asiegbu, F.; Laurila, T.; Pennanen, T.; Jumpponen, A.; Pumpanen, J.; Heinonsalo, J. (2017). PYROFUNGI project highlights: the effect of season, natural disturbances and geographical location of fungal communities in boreal forests soils. Report Series in Aerosol Science: Proceedings of 'the Centre of Excellence in Atmospheric Sciences (CoE ATM) -From Molecular and Biological Processes to the Global Climate' Annual Meeting 2017, 202: Helsinki, 2017. _EditorsAbbr Haapanala, P., Lintunen, A., Enroth, J., Kulmala, M. Finnish association for aerosol research, 503−506.
3.4.
2017
Köster, K.; Köster, E.; Aaltonen, H.; Zhou, X.; Berninger, F.; Prokushkin, A.; Pumpanen, J. (2017). Changes in greenhouse gas fluxes caused by fire in Siberian boreal forests. Report Series in Aerosol Science: Proceedings of the 3rd Pan-Eurasian Experiment (PEEX) Conference and the 7th PEEX Meeting, 201: Moscow, 2017. _EditorsAbbr Lappalainen H.K., Haapanala, P., Borisova, A., Chalov, S., Kasimov, N., Zilitinkevich, S., Kulmala, M. Finnish association for aerosol research, 236−237.
5.1.
2017
Köster, K.; Seglinš, K.; Parro, K.; Metslaid, M. (2017). Impact of postfire management on soil respiration and C concentration in a managed hemiboreal forest. Geophysical Research Abstracts, 19: EGU General Assembly 2017. Vienna: European Geosciences Union, EGU2017-11863.
5.2.
2017
Pumpanen, J.; Köster, K.; Aaltonen, H.; Köster, E.; Zhou, X.; Zhang-Turpeinen, H.; Heinonsalo, J.; Palviainen, M.; Sun, H.; Biasi, C.; Bruckman, V.; Prokushkin, A.; Berninger; F. (2017). Long term effects of fire on carbon and nitrogen pools and fluxes in the arctic permafrost and subarctic forests (ARCTICFIRE). Geophysical Research Abstracts, 19: EGU General Assembly 2017. Vienna: European Geosciences Union, EGU2017-13341.
5.2.
2017
Berninger, F.; Zhou, X.; Aaltonen, H.; Köster, K.; Heinonsalo, J.; Pumpanen, J. (2017). Stochiometry, Microbial community composition and decomposition, a modelling analysis. Geophysical Research Abstracts, 19: EGU General Assembly. Vienna: European Geosciences Union, EGU2017-9763.
5.2.
2017
Köster, E.; Berninger, F.; Pumpanen, J.; Palviainen, M.; Köster, K. (2017). Biochar as a possible solution to shortcomings of traditional forest biomass utilization in Finland. Geophysical Research Abstracts, 19. European Geosciences Union, EGU2017-13512.
5.2.
2017
Aaltonen, H.; Palviainen, M.; Köster, K.; Berninger, F.; Pumpanen, J. (2017). Soil organic matter decomposition and temperature sensitivity after forest fire in permafrost regions in Canada. Geophysical Research Abstracts, 19: EGU General Assembly 2017. Vienna: European Geosciences Union, EGU2017-7359.
5.2.
2017
Köster, K.; Köster, E.; Berninger, F.; Pumpanen, J. (2017). Grazing by reindeer in subarctic coniferous forests – how it is affecting three main greenhouse gas emissions from soils. Geophysical Research Abstracts, 19. European Geosciences Union, EGU2017-12058.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Teadlaste koostöö ettevõtetega – kellele seda vaja on? Sirp, 37−37.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Põlevkivist elektri tootmisest on kujunemas piinlik igand. Sirp, 28−29.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Teadus kui haridusuuenduse toetuspunkt, vundament, vaade ja garantii. Sirp, 34−35.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Teadlaste otselepingud ja vaesus. Sirp, 33−35.
6.3.
2017
Aru, Juhan; Espak, Peeter; Grossberg, Maarja; Heinsalu, Els; Karjust, Kristo; Kogermann, Karin; Kurig, Heisi; Köster, Kajar; Küngas, Rainer; Leijen, Äli; Liiv, Innar; Milani, Lili; Mõtus, Kerli; Näripea, Eva; Ojavee, Kärt; Oras, Ester; Preegel, Gert; Purge, Priit; Raju, Marju; Raudla, Ringa ... Voll, Hendrik (2017). Kuhu viib teadlaste karjääriredel? Sirp, 7−8.
1.1.
2016
Köster, K.; Berninger, F.; Heinonsalo, J.; Linden, A.; Köster, E.; Ilvesniemi, H.; Pumpanen, J. (2016). The long-term impact of low-intensity surface fires on litter decomposition and enzyme activities in boreal coniferous forests. International Journal of Wildland Fire, 25 (2), 213−223.
1.1.
2016
Makita, N.; Pumpanen, J.; Köster, K.; Berninger, F. (2016). Changes in very fine root respiration and morphology with time since last fire in a boreal forest. Plant and Soil, 402, 303−316.10.1007/s11104-016-2801-9.
1.1.
2016
Sun, H.; Santalahti, M.; Pumpanen, J.; Köster, K.; Berninger, F.; Raffaello, T.; Asiegbu, F; Heinonsalo, J. (2016). Bacterial community structure and function shift across a northern boreal forest fire chronosequence. Scientific Reports, 6, 32411 .10.1038/srep32411.
1.1.
2016
Köster, Kajar; Köster, Egle; Orumaa, Argo; Parro, Kristi; Jõgiste, Kalev; Berninger, Frank; Pumpanen, Jukka; Metslaid, Marek (2016). How time since forest fire affects stand structure, soil physical-chemical properties and soil CO2 efflux in hemiboreal Scots pine forest fire chronosequence? Forests, 7, 201.10.3390/f7090201.
5.2.
2016
Ide, J.; Ohashi, M.; Köster, K.; Berninger, F.; Miura, I.; Makita, N.; Yamase, K.; Pumpanen, J. (2016). Changes in the quality of dissolved organic matter in soil water with time since last fire in a boreal forest. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-13158.
5.2.
2016
Makita, N.; Pumpanen, J.; Köster, K.; Berninger, F. (2016). Changes in very fine root respiration and morphology with time since last fire in a boreal forest. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-751.
5.2.
2016
Köster, K.; Köster, E.; Berninger, F.; Pumpanen, J. (2016). Climatic factors and reindeer grazing – the effects on soil carbon dynamics in subarctic boreal pine forest. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-5520.
5.2.
2016
Köster, K.; Köster, E.; Berninger, F.; Pumpanen, J. (2016). Disturbances (fire and grazing by reindeer) and soil methane fluxes – case studies from the subarctic boreal forest of Finish Lapland. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-5569.
5.2.
2016
Köster, K.; Metslaid, M.; Orumaa, A.; Parro, K.; Jõgiste, K.; Berninger, F.; Pumpanen, J.; Köster, E. (2016). Long term effects of forest fires to soil C content and soil CO2 efflux in hemiboreal Scots pine forests of Estonia. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-6622.
5.2.
2016
Palviainen, M.; Pumpanen, J.; Berninger, F.; Heinonsalo, J.; Sun, H.; Köster, E.; Köster, K. (2016). Nitrogen balance along a boreal forest fire chronosequence. Geophysical Research Abstracts: European Geosciences Union General Assembly 2016. European Geosciences Union, Vol. 18, EGU2016-6878.
6.3.
2016
Parro, Kristi; Metslaid, Marek; Orumaa, Argo; Köster, Kajar; Jõgiste, Kalev (2016). Uuring jälgib põlenud metsaalade taastumist. Eesti Mets, 4, 44−49.
1.1.
2015
Köster, Egle; Köster, Kajar; Berninger, Frank; Pumpanen, Jukka (2015). Carbon dioxide, methane and nitrous oxide fluxes from podzols of a fire chronosequence in the boreal forests in Värriö, Finnish Lapland. Geoderma Regional, 5, 181−187.
1.1.
2015
Köster, Kajar; Berninger, Frank; Köster, Egle; Pumpanen, Jukka (2015). Influences of Reindeer Grazing on Above- and Belowground Biomass and Soil Carbon Dynamics. Arctic, Antarctic, and Alpine Research, 47, 495−503.10.1657/AAAR0014-062.
1.1.
2015
Köster, Kajar; Metslaid, Marek; Engelhart, Jeroen; Köster, Egle (2015). Dead wood basic density, and the concentration of carbon and nitrogen for main tree species in managed hemiboreal forests. Forest Ecology and Management, 354, 35−42.10.1016/j.foreco.2015.06.039.
1.1.
2015
Parro, Kristi; Metslaid, Marek; Renel, Getter; Sims, Allan; Stanturf, John; Jõgiste, Kalev; Köster, Kajar (2015). Impact of postfire management on forest regeneration in a managed hemiboreal forest, Estonia. Canadian Journal of Forest Research, 45 (9), 1192−1197.10.1139/cjfr-2014-0514.
1.1.
2015
Sun, H.; Santalahti, M.; Pumpanen, J.; Köster, K.; Berninger, F.; Raffaello, T.; Jumpponen, A.; Asiegbu, F. O.; Heinonsalo, J. (2015). Fungal community shifts in structure and function across a boreal forest fire chronosequence. Applied and Environmental Microbiology, 81 (22), 7869−7880.AEM.02063-15.
3.1.
2015
Köster, K.; Berninger, F.; Heinonsalo, J.; Köster, E.; Pumpanen, J. (2015). Post-fire recovery of soil microbial biomass and enzymatic activity in northern boreal fire chronosequence. Report Series in Aerosol Science N:o 163: 1st Pan-Eurasian Experiment (PEEX) Conference and the 5th PEEX Meeting.. _EditorsAbbr Kulmala, M., Zilitinkevich, S., Lappalainen, H., Kyrö, E-M., Kontkanen, J. Helsinki: Finnish association for aerosol research, 215−217.
5.2.
2015
Köster, K.; Berninger, F.; Köster, E.; Pumpanen, J. (2015). Reindeer grazing in subarctic boreal forest – influences on the soil carbon dynamics. Geophysical Research Abstracts: European Geosciences Union General Assembly 2015. Vol. 17, EGU2015-13278.
5.2.
2015
Pumpanen, J.; Aaltonen, H.; Lindén, A.; Köster, K.; Biasi, C.; Heinonsalo, J. (2015). Effect of long-term drought on carbon allocation and nitrogen uptake of Pinus sylvestris seedlings. Geophysical Research Abstracts: European Geosciences Union General Assembly 2015. Vol. 17, EGU2015-13439-1.
5.2.
2015
Parro, Kristi; Metslaid, Marek; Sims, Allan; Jõgiste, Kalev; Köster, Kajar (2015). Impact of post-fire management on forest regeneration in a managed hemiboreal forest, Estonia. Book of Abstracts: Sustaining ecosystem services in forest landscapes, IUFRO Landscape Ecology Conference, 23-30 August 2015 Tartu, Estonia. 120−120.
1.1.
2014
Köster, K.; Berninger, F.; Lindén, A.; Köster, E.; Pumpanen, J. (2014). Recovery in fungal biomass is related to decrease in soil organic matter turnover time in a boreal fire chronosequence. Geoderma, 235-236, 74−82.10.1016/j.geoderma.2014.07.001.
3.1.
2014
Santalahti, M.; Sun, H.; Pumpanen, J.; Köster, K.; Berninger, F.; Asiegbu, F.; Raffaello, T.; Jumponen, A.; Heinonsalo, J. (2014). Soil fungal community structure in three different ecosystem stations in Finland. Proceedings of "the Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Helsinki: Finnish association for aerosol research,. (Report Series in Aerosol Science N:o 157).
3.1.
2014
Pumpanen, J.; Heinonsalo, J.; Köster, K.; Ojala, A.; Linden, A.; Rasilo, T.; Berninger, F.; Pihlatie, M.; Kieloaho, A.-J.; Aaltonen, H.; Kulmala, L.; Levula, J.; Bäck, J.; Hari, P.; Aaltonen, H.; Starr, M.; Vesala, T. (2014). Feedback mechanisms between below-ground carbon allocation, soil organic matter turnover and carbon fluxes. Proceedings of "The Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Finnish association for aerosol research,. (Report Series in Aerosol Science N:o 157).
3.1.
2014
Matkala, L.; Dengel, S.; Juutinen, S.; Pumpanen, J.; Köster, K.; Hari, P.; Petäjä, T.; Bäck, J. (2014). First steps of the Sokli project in eastern Lapland. Proceedings of "The Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Finnish association for aerosol research, 443−445. (Report Series in Aerosol Science N:o 157).
3.1.
2014
Köster, K.; Berninger, F.; Köster, E.; Pumpanen, J. (2014). Is reindeer grazing affecting the soil carbon dynamics in subarctic boreal forest? Proceedings of "the Centre of Excellence in Atmospheric Sciences (CoE ATM) - From Molecular and Biological Processes to the Global Climate" Annual Meeting 2014. _EditorsAbbr Kulmala, M.; Lintunen, A.; Kontkanen, J. Helsinki: Finnish association for aerosol research, 361−363. (Report Series in Aerosol Science N:o 157).
5.2.
2014
Parro, K.; Metslaid, M.; Renel, G.; Sims, A.; Köster, K. (2014). Impact of post-fire management treatments on regeneration. Books of abstracts: Forest landscape mosaics: disturbance, restoration and management at times of global change, Tartu, Estonia, 11. - 14. august 2014. Ecoprint, 70.
5.2.
2014
Parro, K.; Seglinš, K.; Köster, K. (2014). Effects of forest fires and post-fire management activities on soil carbon pools in northwestern Estonia. Books of abstracts: Forest landscape mosaics: disturbance, restoration and management at times of global change, Tartu, Estonia, 11. - 14. august 2014. Tartu: Ecoprint,.
5.2.
2014
Köster, K.; Berninger, F.; Pumpanen, J. (2014). Long term implications of fire to soil C content and soil CO2 efflux in northern boreal forests. Geophysical Research Abstracts, 16: European Geosciences Union (EGU) General Assembly 2014, Austria, Vienna, 27.04 - 02.05.2014..
1.1.
2013
Vodde, Floortje; Köster, Kajar; Metslaid, Marek; Kuuluvainen, Timo (2013). Preface to the special issue: the impact of ungulates and other mammalian herbivores on forest ecosystems. Boreal Environment Research, 18 (Suppl. A), 1−3.
1.1.
2013
Köster, E.; Köster, K.; Aurela, M.; Laurila, T.; Berninger, F.; Lohila, A.; Pumpanen, J. (2013). Impact of reindeer herding on vegetation biomass and soil carbon content: a case study from Sodankylä, Finland. Boreal Environment Research, 18 (Suppl. A), 35−42.
1.1.
2013
Metslaid, Marek; Köster, Kajar; Jõgiste, Kalev; Randveer, Tiit; Voolma, Kaljo; Moser, W. Keith (2013). The effect of simulated bark stripping by moose on Scots pine height growth: an experimental treatment. Baltic Forestry, 19 (1), 61−66.
3.1.
2013
Pumpanen, J.; Heinosalo, J.; Pihlatie, M.; Aaltonen, H.; Berninger, F.; Bäck, J.; Hari, P.; Kieloaho, A.-J.; Korhonen, J.F.J.; Köster, K.; Lindén, A.; Kulmala, L.; Kulmala, M.; Nikinmaa, E.; Ojala, A.; Rasilo, T.; Vesala, T. (2013). Rhizosphere processes play an important role in soil organic matter; Decomposition and greenhouse gas fluxes in boreal landscape; Summary of soil research carried out at FCoE during the second FCoE period (2009-2013). Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. _EditorsAbbr Kulmala M., Lappalainen K. H., Brus M., Kontkanen J. Helsinki: Finnish association for aerosol research, 76−85. (REPORT SERIES IN AEROSOL SCIENCE N:o 142).
3.1.
2013
Santalahti, M.; Sun, H.; Kieloaho, A.-J.; Asiegbu, F.; Berninger, F.; Köster, K.; Pumpanen, J.; Heinonsalo, J. (2013). The interactions between soil fungal communities and soil organic nitrogen (SON) transformation in boreal forests – the effects of season, geographical location and natural disturbances. Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. _EditorsAbbr Kulmala M., Lappalainen K. H., Brus M., Kontkanen J. Finnish association for aerosol research, 482−484. (REPORT SERIES IN AEROSOL SCIENCE N:o 142).
3.1.
2013
Köster, K.; Heinosalo, J.; Pumpanen, J.; Köster, E.; Berninger, F. (2013). Changes in soil enzyme activities and litter decomposition across the chronosequence of forest fires in Värriö strict nature reserve, Eastern Lapland. Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. _EditorsAbbr Kulmala M., Lappalainen K. H., Brus M., Kontkanen J. Helsinki: Finnish association for aerosol research, 299−301. (REPORT SERIES IN AEROSOL SCIENCE N:o 142).
3.4.
2013
Salminen, O.; Haapanala, S.; Köster, E.; Valkama, P.; Ahponen, H.; Köster, K.; Pumpanen, J.; Vesala, T. and Nikinmaa E. (2013). The impact of constructed urban wetlands on greenhouse gas balance and runoff treatment, Case Nummela. HENVI Science Days on Can Forest Management Change Climate? 16-17th April 2013. Abstract volume.: HENVI Science Days on Can Forest Management Change Climate? 16.-17. April 2013, Helsinki, Finland. 28.
3.4.
2013
Berninger, F. Köster, K. Pumpanen, J. (2013). Long term effects of fire on the carbon balance in boreal forests. Geophysical Research Abstracts: European Geosciences Union (EGU) General Assembly 2012, Austria, Vienna, 07. - 12.04.2013. (vol. 15).
3.4.
2013
Köster, K; Berninger, F; Lindén, A; Pumpanen, J. (2013). The effect of fungal and microbial biomass on soil organic matter pool in Boreal forest after fire. Special issue: Fire efects on soil organic matter: 4th Int. Meeting Fire Effects on Soil Properties (FESP4), 2-5 July 2013, Mykolas Romeris University, Vilnius (Lithuania). FLAMMA, 5−7. (6(1)).
4.1.
2013
Vodde, Floor; Köster, Kajar; Metslaid, Marek; Kuuluvainen, Timo (2013). Boreal Environment Research Vol 18, Supplement A. In: Vodde, Floor; Köster, Kajar; Metslaid; Marek; Kuuluvainen, Timo (_EditorsAbbr). .. Boreal Environment Research Publishing Board.
5.2.
2013
Noe, Steffen Manfred; Krasnova, Alisa; Krasnov, Dmitrii; Portillo-Estrada, Miguel; Püttsepp, Ülle; Kimmel, Veljo; Köster, Kajar; Jõgiste, Kalev; Kangur, Ahto (2013). Trace gas concentrations and fluxes in a hemiboreal mixed forest. GHG Europe 2013 - Open Science Conference, Antwerp, 16-18.09.2013.
3.1.
2012
Köster, K.; Pumpanen, J.; Berninger, F. (2012). Recovery of soil carbon pools in a chronosequence of forest fires in Värriö strict nature reserv, Eastern Lapland. Proceedings of Finnish Center of Excellence in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change', and Nordic Center of Excellence in 'Cryosphere-Atmosphere Interactions in a Changing Arctic Climate' Annual Meetings 2012. _EditorsAbbr Kulmala, M.; Lappalainen, H.; Boy, M.; Brus, M. and Nieminen T. Helsinki: Finnish association for aerosol research, 413−415. (REPORT SERIES IN AEROSOL SCIENCE N:o 134).
3.4.
2012
Metslaid, Marek; Engelhart, Jeroen; Jõgiste, Kalev; Metslaid, Sandra; Vodde, Floortje; Köster, Kajar (2012). Growth response of Norway spruce advance regeneration to release: a decade of measurements on height, diameter and shoot characteristics. Proceedings of the International Conference Uneven-aged silviculture: optimising timber production, ecosystem services and resilience to climate change: Uneven-aged silviculture: optimising timber production, ecosystem services and resilience to climate change, Christchurch, New Zealand, 12-16 November 2012. _EditorsAbbr Glenn Stewart. 28−29.
3.4.
2012
Köster, K; Pumpanen, J; Berninger, F. (2012). Recovery of soil carbon and nitrogen pools following forest fires in eastern Lapland, Finland. Geophysical Research Abstracts: European Geosciences Union (EGU) General Assembly 2012, Austria, Vienna, 07. - 12.04.2012. (vol. 14).
1.1.
2011
Vodde, Floortje; Jõgiste, Kalev; Kubota, Yasuhiro; Kuuluvainen, Timo; Köster, Kajar; Lukjanova, Aljona; Metslaid, Marek; Yoshida, Toshiya (2011). The influence of storm-induced microsites to tree regeneration patterns in boreal and hemiboreal forest. Journal of Forest Research, 16 (3), 155−167.10.1007/s10310-011-0273-6.
1.1.
2011
Mandre, Malle; Kiviste, Andres; Köster, Kajar (2011). Environmental stress and forest ecosystem. Forest Ecology and Management, 262 (2), 53−55.10.1016/j.foreco.2010.10.008.
1.1.
2011
Köster, K.; Püttsepp, Ü.; Pumpanen, J. (2011). Comparison of soil CO2 flux between uncleared and cleared windthrow areas in Estonia and Latvia. Forest Ecology and Management, 262 (2), 65−70.10.1016/j.foreco.2010.09.023.
3.4.
2011
Köster, Kajar; Jõgiste, Kalev (2011). Nutrient (N, C, S) consentrations and wood decomposition in windthrow areas in Estonia. Abstracts of the International Symposium on dynamics and ecological services of dead wood in forest ecosystems: dead wood and dying trees, a matter of life and diversity: The International Symposium on dynamics and ecological services of dead wood in forest ecosystems: dead wood and dying trees, a matter of life and diversity. May 15-19,2011. Rouyn-Noranda, Quebec, Canada. 54.
3.4.
2011
Engelhart, Jeroen; Jõgiste, Kalev; Köster, Kajar; Metslaid, Marek; Vodde, Floortje (2011). Natural forest regeneration after windthrow in the hemiboreal zone. Workbook of the 7th International Conference on Disturbance Dynamics in Boreal Forests: 7th International Conference on Disturbance Dynamics in Boreal Forests, Saguenay, Quebec, Canada, 29 May-3 June 2011. 71−71.
5.2.
2011
Vodde, F.; Jõgiste, K.; Engelhart, J.; Köster, K.; Metslaid, M. (2011). http://ftacademy.ru/UserFiles/ICFFI_News_2011.pdf. ICFFI News, 1(13): Ecosystem Design for Multiple Services - with an emphasis on Eurasian Boreal Forests, St. Peterburg State Forest Technical University, 9-11 November 2011. _EditorsAbbr Maxim Chubinsky, Klaus von Gadov. St. Petersburg State Forest Technical University: International Centre of Forestry and Forest Industries, 65−65.
1.1.
2010
Vodde, F.; Jõgiste, K.; Gruson, L.; Ilisson, T.; Köster, K.; Stanturf, J.A. (2010). Regeneration in windthrow areas in hemi-boreal forests: the influence of microsite on the height growth of different tree species. Journal of Forest Research, 15 (1), 55−64.10.1007/s10310-009-0156-2.
3.4.
2010
Metslaid, Marek; Jõgiste, Kalev; Vodde, Floortje; Köster, Kajar (2010). Growth of advance regeneration of Norway spruce following release. Proceedings of the International Conference 21st Century forestry: Integrating ecologically-based, uneven-aged silviculture with increased demands for forests: 21st Century forestry: Integrating ecologically-based, uneven-aged silviculture with increased demands for forests, Ljubljana, Slovenia, 23-30 September 2010. _EditorsAbbr Jurij Diaci. 34−34.
1.1.
2009
Parro, K.; Köster, K.; Jõgiste, K.; Vodde, F. (2009). Vegetation dynamics in a fire damaged forest area: the response of major ground vegetation species. Baltic Forestry, 15 (2), 206−215.
1.1.
2009
Köster, K.; Ilisson, T.; Tukia, H.; Jõgiste, K.; Mõls, T. (2009). Early Effects after Forest Disturbance in Decomposition of Trees in two Windthrown Areas in East Estonia. Baltic Forestry, 15 (2), 143−150.
1.1.
2009
Laarmann, Diana; Korjus, Henn; Sims, Allan; Stanturf, John A.; Kiviste, Andres; Köster, Kajar (2009). Analysis of forest naturalness and tree mortality patterns in Estonia. Forest Ecology and Management, S187−S195.10.1016/j.foreco.2009.07.014.
1.1.
2009
Köster, Kajar; Voolma, Kaljo; Jõgiste, Kalev; Metslaid, Marek; Laarmann, Diana (2009). Assessment of tree mortality after windthrow using photo-derived data. Annales Botanici Fennici, 46 (4), 291−298.
2.3.
2009
Köster, K. (2009). Dynamics of living and dead woody biomass in forest ecosystem after windthrow. (Doktoritöö, Eesti Maaülikool). Tartu: Ecoprint.
3.2.
2009
Köster, Kajar; Jõgiste, Kalev; Vodde, Floortje; Metslaid, Marek (2009). Expansion of heavily damaged windthrow areas through tree mortality in surrounding areas. Proceedings of the 2nd International Conference Wind Effects on Trees: 2nd International Conference Wind Effects on Trees, Freiburg, Germany, 13-16 October 2009. _EditorsAbbr Mayer, Helmut; Schindler, Dirk. Freiburg, 277−281. (Berichte des Meteorologischen Instituts der Albert-Ludwigs-Universität Freiburg; 19).
3.2.
2009
Metslaid, Marek; Köster, Kajar; Vodde, Floortje; Jõgiste, Kalev (2009). Acclmation and growth response of Norway spruce advance regeneration after release. Proceedings of the 2nd International Conference Wind Effects on Trees: 2nd International Conference Wind Effects on Trees, Freiburg, Germany, 13-16 October 2009. _EditorsAbbr Mayer, Helmut; Schindler, Dirk. Freiburg, 177−182. (Berichte des Meteorologischen Instituts der Albert-Ludwigs-Universität Freiburg; 19).
3.1.
2008
Köster, K.; Kangur, A.; Hari, P.; Jõgiste, K. (2008). Test in Estonia at the southern border of the boreal zone. In: Hari, P.; Kulmala, L. (_EditorsAbbr). Boreal forest and climate change (468−471).. Springer. (Advances on global change research; 34).
3.4.
2008
Köster, Kajar; Vodde, Floortje; Jõgiste, Kalev; Ilisson, Triin (2008). The regeneration development in storm damaged areas with different damage severity. Abstracts of conference on Feasibility of Silviculture for Complex Stand Structures. Designing Stand Structures for Sustainability and Multiple objectives: 6th Workshop of Uneven-aged Silviculture IUFRO 1.05 group, Shizuoka, 24-27 Oct, 2008. 148.
3.4.
2008
Metslaid, Marek; Köster, Kajar; Jõgiste, Kalev (2008). Stand structure and regeneration of Norway spruce forests in Estonia. Abstracts of the Conference on Feasibility of Silviculture for Complex Stand Structures: Feasibility of Silviculture for Complex Stand Structures, Shizuoka, Japan, 24-27 October 2008. Shizuoka, Japan, 80−80.
1.1.
2007
Ilisson, Triin; Köster, Kajar; Vodde, Floortje, Jõgiste Kalev (2007). Regeneration development 4-5 years after a storm in Norway spruce dominated forests, Estonia. Forest Ecology and Management, 250, 17−24.10.1016/j.foreco.2007.03.022.
3.4.
2007
Köster, K., Metslaid, M., Jõgiste, K. and Ilisson, T. (2007). Species influence to the mechanism of wind damage in mixed stands. Schedule and Abstracts for Oral and Poster Presenters. International Conference on Wind and Trees. IUFRO 8.01.11: International Conference on Wind and Trees, Vancouver, British Columbia, Canada, August 5-9, 2007. Vancouver, British Columbia, Canada, 83−83.
3.5.
2007
Köster, Kajar; Ilisson, Triin; Jõgiste, Kalev (2007). Nutrients in coarse woody debris and forest regeneration in windthrow areas. Miškininkyste, 1(61): SNS network "Natural Doisturbance Dynamics Analysis for Forest Ecosystem Management". 13−19.
3.4.
2006
Köster, Kajar; Ilisson, Triin; Jõgiste, Kalev (2006). The regeneration development in storm damaged areas with different damage severity and nutrient (NPK) content in soil. Abstracts of the Conference on Natural disturbance-based silviculture: Managing for complexity. IUFRO 1.05 Uneven-aged Silviculture Research Group: Natural disturbance-based silviculture: Managing for complexity, Rouyn-Noranda, QC, Canada, May 14 – 18, 2006. Rouyn-Noranda (Quebec, Canada), 210−212.
1.1.
2005
Koster, K.; Jogiste, K.; Tukia, H.; Niklasson, M.; Mols, T. (2005). Variation and ecological characteristics of coarse woody debris in Lahemaa and Karula National Parks, Estonia. Scandinavian Journal of Forest Research, 20, 102−111.
3.1.
2004
Köster, Kajar; Seedre, Meelis; Tukia, Harri; Niklasson, Mats; Jõgiste, Kalev (2004). Nature conservation and dead wood in forest ecosystem. Proceedings of the Intenational conference “Natural Disturbances and Ecosystem-Based Forest Management": Intenational conference “Natural Disturbances and Ecosystem-Based Forest Management, May 27-28, 2004, Tartu, Estonia. _EditorsAbbr Kangur, Ahto. Tartu: Estonian Agricultural University, 13−16. (Transactions of the Faculty of Forestry, Estonian Agricultural University; 37).
3.2.
2003
Köster, K.; Seedre, M.; Jõgiste, K.; Tukia, H. (2003). Coarse woody debris analysis in Karula and Lahemaa National Park. EPMÜ metsandusteaduskonna toimetised. (Transactions of the Faculty of Forestry, Estonian Agricultural University) (55−70).. Tartu: Eesti Põllumajandusülikool.
3.2.
2002
Seedre, Meelis; Köster, Kajar; Jõgiste, Kalrv (2002). Metsaökosüsteemi looduslikkuse taastamine ja vastava katseala iseloomustus Lahemaa Rahvuspargis. EPMÜ metsandusteaduskonna toimetised, 35, 85−91.
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