Peeter Hõrak

11.12.1963
737 5075
horak@ut.ee

Teenistuskäik

Töökohad ja ametid
01.01.2016–31.01.2018    Tartu Ülikool, Loodus- ja täppisteaduste valdkond, Ökoloogia ja maateaduste instituut, loomade füsioloogilise ökoloogia professor (1,00)
01.07.2015–31.12.2015    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, loomade füsioloogilise ökoloogia professor (1,00)
01.02.2013–30.06.2015    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, loomade füsioloogilise ökoloogia professor (0,50)
01.07.2012–30.06.2015    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, evolutsioonilise loomaökoloogia vanemteadur (0,50)
01.07.2009–30.06.2012    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, evolutsioonilise loomaökoloogia vanemteadur (0,50)
01.02.2008–31.01.2013    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, loomade füsioloogilise ökoloogia professor (0,50)
01.02.2008–30.06.2009    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, evolutsioonilise loomaökoloogia vanemteadur (0,50)
01.01.2008–31.12.2013    Tartu Ülikool, professor
01.01.2008–31.01.2008    Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, evolutsioonilise loomaökoloogia vanemteadur (1,00)
01.08.2007–31.12.2007    Tartu Ülikool, Bioloogia-geograafiateaduskond, Tartu Ülikooli Ökoloogia ja Maateaduste Instituut , evolutsioonilise loomaökoloogia vanemteadur (1,00)
01.07.2004–31.07.2007    Tartu Ülikool, Bioloogia-geograafiateaduskond, Zooloogia ja hüdrobioloogia instituut, evolutsioonilise loomaökoloogia vanemteadur (1,00)
1996–1998    Täpsustamata, Research training: 1991 Dec., Course in biostatistics in Reposaari (Turku University); 1993 Jan. - Dec., Turku University, Lab. of Ecological Zoology; 1996 Feb.- March, 1997 Feb.- March; 1998 October - November Uppsala Univ., Department of Zoology (1,00)
1983–2004    Täpsustamata, Nõukogude Armee 1983-1985; TA ZBI Ornitoloogia Laboratoorium, insener: sept. 1989 - dets. 1989; TA ZBI Ornitoloogia Laboratoorium, aspirant: dets. 1989 - sept. 1991; TÜ ZHI Loomaökoloogia Õppetool, doktorant: sept. 1991 - sept. 1995; Turku University, Laboratory of Ecological Zoology: 1993 jaan. - dets. (Kone Foundation'i stipendiaat); ZBI Loomaökoloogia Osakond, teadur: jaan. 1996 - märts 1998; Uppsala University, Department of Zoology: külalisteadlane veebr. - märts 1996, veebr.- märts 1997, okt. - nov. 1998; EPMÜ ZBI Zooloogia Osakond, vanemteadur: aprill 1998 - juuli 1999. TÜ ZHI Loomaökoloogia Õppetool, vanemteadur: alates juuli 1999. (1,00)
 
 
Haridustee
Dipl. bioloog-zooloog, Tartu Ülikool 1989
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
2006−...    Rahvusvahelise Ornitoloogiakomitee (IOC) liige
2003−...    Toimetaja: Ardeola (alates 2003)
2009−2009    Oponeerinud Vaidas Palinauskase doktoritööd „Experimental investigation of avian malaria parasites (Plasmodium, Haemosporida): linkage of traditional and molecular data“ (Institute of Ecology of Vilnius University)
2009−2012    ETF keskkona ja eluslooduse ekspertkomisjoni liige
2008−2015    Teaduse tippkeskuse FIBIR juhatuse liige ja füsioloogia tugiteenistuse labori juht
2008−2008    Oponeerinud Bernt Ronningi doktoritööd ”Sources of inter- and intraindividual variation in basal metabolic rate in the zebra finch, Taeniopygia guttata” (Faculty of Science and Technology, Norwegian University of Science and Technology)
2007−2007    Evalueerinud doktoritööd: Natalia Pitala "Causes and consequences of variation in nestling immune function" (University of Helsinki, 2007)
2007−2007    Oponeerinud doktoritööd: Anne Berthouly: "Carotenoids, reproductive strategies and offspring performance in the Great Tit" (University of Bern)
2007−2012    TÜ ÖMI nõukogu liige
2007−2007    Teadusliku programmi komitee liige: 7th congress of the European Ornithologists' Union, Austria 2007
2005−2016    Toimetaja Functional Ecology (alates 2005)
2003−2006    ETF Bio-Geoteaduste ekspertkomisjoni liige (2003-2006)
2003−2003    Oponeerinud doktoritööd: Paola Ninni "Function of carotenoids in barn swallow Hirundo rustica" (Universite Paris 6, 2003).
2003−2007    TÜ Bio-Geo teaduskonna nõukogu liige (alates 2003)
2002−2002    Evalueerinud doktoritööd: Markus Rantala “Immunocompetence and sexual selection in insects” (University of Jyväskylä, 2002).
2001−2003    Toimetaja. Avian Science (2001-2003)
1998−2008    Retsenseerinud grantitaotlusi Eesti ja šveitsi Teadusfondile
 
 
Teenistuskäigu lisainfo
Retsenseerinud käsikirju ajakirjadele Proceedings of the Royal Society of London B, Biology Letters, Ecology Letters, Ecology, Naturwissenschaften, Journal of Natural History, Global Change Biology, Evolution, Journal of Animal Ecology, Functional Ecology, Oecologia, Oikos, PLoS ONE, Journal of Experimental Biology, BMC Physiology, Biological Journal of Linnean Society, Ethology, Ethology Ecology & Evolution, Behavioural Ecology, Behavioural Ecology and Sociobiology, Physiology & Behaviour, Hormones & Behavior, Animal Biology, Ecography, Chemoecology, Journal of Chemical Ecology, Environmental Pollution, Science of the Total Environment, Polar Biology, Physiological and Biochemical Zoology, Journal of Comparative Physiology, Comparative Biochemistry and Physiology, Canadian Journal of Zoology, Annales Zoologici Fennici, Journal of Avian Biology, Journal of Ornithology, Condor, Ibis, Avian Science, Ardea, Ardeola, Ornis Fennica, Acta Ornithologica, Journal of Field Ornithology, Physiological Entomology, Parasitology, Tropical Medicine and Health, Journal of Experimental Marine Biology and Ecology, Poultry Science, Journal of Veterinary Medical Science, Wildlife Research, Royal Society Open Science;

Kvalifikatsioon

Teaduskraadid
 
 
Teaduspreemiad ja tunnustused
2013, Peeter Hõrak, Uurimuste tsükli „Immuunfunktsioon ja oksüdatiivne stress loomaökoloogilises kontekstis” eest
2013, Peeter Hõrak, Tartu Ülikooli väike medal
2012, Peeter Hõrak, EV Teaduspreemia 2012 "Immuunfunktsioon ja oksüdatiivne stress loomaökoloogilises kontekstis"
2007, Peeter Hõrak, Tartu Ülikooli aumärk
2002, Peeter Hõrak, EV Teaduspreemia 2002 "Baasuuringud evolutsioonilise loomaökoloogia vallas - bioloogilise mitmekesisuse huvides" (koos Raivo Männi; Indrek Otsa ja Toomas Tammaruga)
 
 
Teadustöö põhisuunad
VALDKOND: 1. Bio- ja keskkonnateadused; 1.4. Ökoloogia, biosüstemaatika ja -füsioloogia; PÕHISUUND: Vanemlike investeeringute teooria: Sigimise hinna maksmise käitumisökoloogilised aspektid ja füsioloogilised mehhanismid. Immuunökoloogia: Immunvastuse hind. Immuunfunktsioon, parasiidiresistentsus ja karotenoididel põhinevad signaalid sugulise ning loodusliku valiku kontekstis. Kliinilised vereparameetrid isendi konditsiooni ja parasiidinakkuse indikaatoritena loomaökoloogilistes mudelsüsteemides. Vereparasiitide, koktsiidide ja nematoodide nakkuse mõju peremeeste kohasusele ja füsioloogiale. Oksüdatiivne stress ökoloogilises kontekstis.
 
 
Lisainfo
PhD
Tartu Ülikool, 1995

Jooksvad projektid

Lõppenud projektid

Juhendamisel väitekirjad

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2017
Sepp, Tuul; Rattiste, Kalev; Saks, Lauri; Meitern, Richard; Kaasik, Ants; Urvik, Janek; Hõrak, Peeter (2017). A small badge of longevity: opposing survival selection on the size of white and black wing markings. Journal of Avian Biology, xxx−xxx.DOI:10.1111/jav.01136/abstrac [ilmumas].
6.8.
2017
Hõrak, Peeter (2017). Commentary: transgenerational effects of parental death—a life history perspective. International Journal of Epidemiology, 46 (1), 230−232.10.1093/ije/dyw368.
1.1.
2016
Hõrak, P: Männiste, M. (2016). Viability selection affects black but not yellow plumage colour in greenfinches. Oecologia, 180, 23−32.
1.1.
2016
Hõrak, Peeter; Valge, Markus (2016). Old-for-grade girls reproduce but do not mature early: Simply a mechanistic link between educational progress and pace of life? Intelligence, 57, 41−47.10.1016/j.intell.2016.04.004.
1.1.
2016
Urvik, J; Meitern, R; Rattiste, K; Saks, L; Hõrak, P., Sepp, T (2016). Variation in the Markers of Nutritional and Oxidative State in a Long-Lived Seabird: Associations with Age and Longevity. Physiological and Biochemical Zoology, 89 (5), 417−440.10.1086/688180.
1.1.
2015
Hõrak, Peeter; Valge, Markus (2015). Why did children grow so well at hard times? The ultimate importance of pathogen control during puberty. Evolution, Medicine, and Public Health, 1, 167−178.10.1093/emph/eov017.
1.1.
2015
Visse, M.; Sild, E.; Kesler, M.; Hõrak, P. (2015). Do Atlantic salmon parr trade growth against immunity? Marine and Freshwater Behaviour and Physiology, 48 (4), 225−240.10.1080/10236244.2015.1035536.
1.1.
2015
Rattiste, Kalev; Klandorf, Hillar; Urvik, Janek ; Sepp, Tuul; Asghar, Muhammad; Hasselquist, Dennis; Cooey, Crissa; Hõrak, Peeter (2015). Skin pentosidine and telomere length do not covary with age in a long-lived seabird. Biogerontology, 16 (4), 435−441.10.1007/s10522-015-9564-1.
1.1.
2015
Moore, F.; Cīrule, D.; Kivleniece, I.; Vrublevska, J.; Rantala, M.; Sild, E.; Sepp, T.; Hõrak, P.; Krama, T.; Krams, I. (2015). Investment in a sexual signal results in reduced survival under extreme conditions in the male great tit (Parus major). Behavioral Ecology and Sociobiology, 69 (1), 151−158.10.1007/s00265-014-1828-2.
1.1.
2015
Arlet, M.E.; Chapman, C.A.; Isbell, L.A.; Molleman, F.; Mänd, R.; Hõrak, P.; Carey, J.R. (2015). Social and ecological correlates of parasitic infections in adult male gray-cheeked mangabeys (Lophocebus albigena). International Journal of Primatology, 36 (5), 950−969.
1.1.
2015
Hõrak, P; Valge, M. (2015). Father’s death does not affect growth and maturation but hinders reproduction: evidence from adolescent girls in post-war Estonia. Biology Letters, 11 (12), 1−6.10.1098/rsbl.2015.0752.
1.1.
2014
Sepp, Tuul; Männiste, Marju; Kaasik, Ants; Hõrak, Peeter. (2014). Multidimensionality of fear in captive greenfinches (Carduelis chloris). Behavioral Ecology and Sociobiology, 68 (7), 1173−1181.DOI:10.1007/s00265-014-1728-5.
1.1.
2014
Sild, Elin; Meitern, Richard; Männiste, Marju; Karu, Ulvi; Hõrak, Peeter (2014). High feather corticosterone indicates better coccidian infection resistance in greenfinches. General and Comparative Endocrinology, 204, 203−210.10.1016/j.ygcen.2014.05.026.
1.1.
2014
Kilk, Kalle; Meitern, Richard; Härmson, Oliver; Soomets, Ursel; Hõrak, Peeter (2014). Assessment of oxidative stress in serum by d-ROMs test. Free Radical Research, 48 (8), 883−889.10.3109/10715762.2014.919390.
1.1.
2014
Meitern, Richard; Andreson, Reidar; Hõrak, Peeter (2014). Profile of whole blood gene expression following immune stimulation in a wild passerine. BMC Genomics, 15, 533.10.1186/1471-2164-15-533.
1.2.
2014
Männiste, Marju; Hõrak, Peeter (2014). Emerging infectious disease selects for darker plumage coloration in greenfinches. Frontiers in Ecology and Evolution: Behavioral and Evolutionary Ecology, 2 (4), x.10.3389/fevo.2014.00004.
6.3.
2014
Hõrak, P., Sepp, T. (2014). Haridus kui paabulinnu saba. Sirp. Eesti Kultuurileht, 2−4.
1.1.
2013
Meitern, Richard; Sild, Elin; Kilk, Kalle; Porosk, Rando; Hõrak, Peeter (2013). On the methodological limitations of detecting oxidative stress: effects of paraquat on measures of oxidative status in greenfinches. Journal of Experimental Biology, 216 (14), 2713−2721.10.1242/jeb.087528.
1.1.
2013
Meitern, R.; Sild, E.; Lind, M.-A; Männiste, M.; Sepp, T.; Karu , U.; Hõrak, P. (2013). Effects of endotoxin and psychological stress on redox physiology, immunity and feather corticosterone in greenfinches. PLoS ONE, 8 (6), e67545.10.1371/journal.pone.0067545.
1.1.
2013
Hõrak, P.; Männiste, M.; Meitern, R.; Sild, E.; Saks, L.; Sepp, T. (2013). Dexamethasone inhibits corticosterone deposition in feathers of greenfinches. General and Comparative Endocrinology, 191, 210−214.10.1016/j.ygcen.2013.07.002.
1.1.
2013
Männiste, M.; Sepp, T.l; Hõrak, P. (2013). Locomotor activity of captive greenfinches involves two different behavioural traits. Ethology, 119 (7), 581−591.10.1111/eth.12099.
1.1.
2013
Krams, I.; Vrublevska, J.; Cirule, D.; Kivleniece, I.; Krama, T.; Rantala, M.J.; Kaasik, A.; Hõrak, P.; Sepp, T. (2013). Stress, Behaviour and Immunity in Wild-Caught Wintering Great Tits (Parus major). Ethology, 119 (5), 397−406.10.1111/eth.12075.
6.6.
2013
Hõrak, P. (2013). Mõistuspärane optimism. .
1.1.
2012
Krams, I.; Vrublevska, J.; Cirule, D.; Kivleniece, I.; Krama, T.; Rantala, M.J.; Sild, E.; Hõrak, P. (2012). Heterophil/lymphocyte ratios predict the magnitude of humoral immune response to a novel antigen in great tits (Parus major). Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology, 161, 422−428.
1.1.
2012
Sepp, T.;Karu, U.; Blount, J. D.; Sild, E.; Männiste, M.; Hõrak, P. (2012). Coccidian infection causes oxidative damage in greenfinches. PLoS ONE, 7, 5, e36495.
1.1.
2012
Sepp, T.; Sild, E.; Blount, J. D.; Männiste, M.; K., U.; Hõrak, P. (2012). Individual consistency and covariation of measures of oxidative status in greenfinches. Physiological and Biochemical Zoology, 85 (3), 299−307.
6.3.
2012
Hõrak, P.; Viikmaa, M. (2012). Darwini evolutsioonikäsitlusele ei ole alternatiive. .
6.3.
2012
Hõrak, P. (2012). Parasiidid kultuuriloojatena. .
1.1.
2011
Sild, E.; Sepp, T. Männiste, M.; Hõrak, P. (2011). Carotenoid intake does not affect immune-stimulated oxidative burst in greenfinches. Journal of Experimental Biology, 214 (20), 3467−3473.10.1242/jeb.062182.
1.1.
2011
Männiste, M.; Hõrak, P. (2011). Effects of Immune Activation and Glucocorticoid Administration on Feather Growth in Greenfinches. Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 315A (9), 527−535.10.1002/jez.701.
1.1.
2011
Sild, E.; Sepp, T.; Hõrak, P. (2011). Behavioural trait covaries with immune responsiveness in a wild passerine. Brain, Behavior, and Immunity, 25 (7), 1349−1354.10.1016/j.bbi.2011.03.020.
1.1.
2011
Sepp, T.; Karu, U.; Sild, E.; Männiste, M.; Hõrak, P. (2011). Effects of carotenoids, immune activation and immune suppression on the intensity of chronic coccidiosis in greenfinches. Experimental Parasitology, 127 (3), 651−657.10.1016/j.exppara.2010.12.004.
1.1.
2011
Lõhmus, M.; Sild, E.; Hõrak, P.; Björklund, M. (2011). Effects of chronic leptin administration on nitric oxide production and immune responsiveness of greenfinches. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology, 158, 158−165.
1.1.
2010
Sild, Elin; Hõrak, Peeter (2010). Assessment of oxidative burst in avian whole blood samples: validation and application of a chemiluminescence method based on Pholasin. Behavioral Ecology and Sociobiology, 64 (12), 2065−2076.10.1007/s00265-010-1076-z.
1.1.
2010
McCraw, K.J., Cohen, A.A., Costantini, D., Hõrak, P. (2010). The ecological significance of antioxidants and oxidative stress: a marriage between mechanistic and functional perspectives. Functional Ecology, 24 (5), 947−949.10.1111/j.1365-2435.2010.01772.x.
1.1.
2010
Hõrak, P.; Cohen, A. (2010). How to measure oxidative stress in an ecological context: methodological and statistical issues. Functional Ecology, 24 (5), 960−970.10.1111/j.1365-2435.2010.01755.x.
1.1.
2010
Kilgas, P.; Tilgar, V.; Külavee, R.; Saks, L.; Hõrak, P.; Mänd, R. (2010). Antioxidant protection, immune function and growth of nestling great tits Parus major in relation to within-brood hierarchy. Comparative Biochemistry and Physiology. B-Biochemistry and Molecular Biology, 157 (3), 288−293.10.1016/j.cbpb.2010.07.002.
1.1.
2010
Hõrak, P.; Sild, E.; Soomets, U.; Sepp, T.; Kilk, K. (2010). Oxidative stress and information content of black and yellow plumage coloration: an experiment with greenfinches. Journal of Experimental Biology, 213, 2225−2233.10.1242/jeb.042085.
1.1.
2010
Sepp, T.; Sild, E.; Hõrak, P. (2010). Hematological condition indexes in greenfinches: effects of captivity and diurnal variation. Physiological and Biochemical Zoology, 83 (2), 276−282.10.1086/648580.
6.3.
2010
Hõrak, P. (2010). Demograafilise paradoksi evolutsiooniline seletus. .
6.6.
2010
Hõrak, P. (2010). Miks elavad mehed vähem kui naised? .
1.1.
2009
Sarv, T.; Hõrak, P. (2009). Phytohaemagglutinin injection has a long-lasting effect on immune cells. Journal of Avian Biology, 40 (5), 569−571.10.1111/j.1600-048X.2009.04713.x.
6.3.
2009
Hõrak, P. (2009). Gaia kultus. (50−51)..
6.6.
2009
Hõrak, P. (2009). Mees, kes seletas ära paabulinnu saba. Postimees..
1.1.
2008
Karu, U.; Saks, L.; Hõrak, P. (2008). Carotenoid-based plumage coloration is not affected by vitamin E supplementation in male greenfinches. Ecological Research, 23, 931−935.
1.1.
2007
Karu, U.; Saks, L.; Hõrak, P. (2007). Carotenoid coloration in greenfinches is individually consistent irrespective of foraging ability. Physiological and Biochemical Zoology, 80 (6), 663−670.10.1086/521084.
1.1.
2007
Hõrak, P.; Saks, L.; Zilmer, M.; Karu, U.; Zilmer, K. (2007). Notes and comments - Do dietary antioxidants alleviate the cost of immune activation? An experiment with greenfinches. American Naturalist, 170 (4), 625−635.10.1086/521232.
1.1.
2006
Hõrak, P.; Tummeleht, L.; Talvik, H. (2006). Predator threat, copulation effort, and immunity in male rats (Rattus norvegicus). Journal of Zoology , 268 (1), 9−16.
1.1.
2006
Hõrak, P.; Tummeleht, L.; Talvik, H. (2006). Predictors and markers of resistance to neurotropic nematode infection in rodent host. Parasitology Research, 98 (5), 396−402.
1.1.
2006
Tummeleht, L.; Mägi, M.; Kilgas, P.; Mänd, R.; Hõrak, P. (2006). Antioxidant protection and plasma carotenoids of incubating great tits (Parus major L.) in relation to health state and breeding conditions. Comparative Biochemistry and Physiology C-Pharmacology Toxicology & Endocrinology, 144 (2), 166−172.10.1016/j.cbpc.2006.08.004.
1.1.
2006
Hõrak, P.; Zilmer, M.; Saks, L.; Ots, I.; Karu, U.; Zilmer, K. (2006). Antioxidant protection, carotenoids, and the costs of immune challenge in greenfinches. Journal of Experimental Biology, 209, 4329−4338.
1.1.
2006
Saks, L.; Karu, U.; Ots, I.; Hõrak, P. (2006). Do standard measures of immunocompetence reflect parasite resistance? The case of greenfinch coccidiosis. Functional Ecology, 20 (1), 75−82.
1.1.
2006
Hõrak, P.; Saks, L.; Karu, U.; Ots, I. (2006). Host resistance and parasite virulence in greenfinch coccidiosis. Journal of Evolutionary Biology, 19 (1), 277−288.
5.1.
2006
Hõrak, P.; Ots, I; Saks, L.; Karu, U. (2006). Immune function, carotenoids, and antioxidant defenses in captive Greenfinches. Journal of Ornithology, 147: 24th International Ornithological Congress; Hamburg, Germany; 13-19 August 2006. 183−183. (1; 5).
5.1.
2006
Karu, U.; Saks, L.; Hõrak, P.; Ots, I. (2006). Parasite resistance and immunocompetence in a Greenfinch-coccidiosis model system. Journal of Ornithology, 147: 24th International Ornithological Congress; Hamburg, Germany; 13-19 August 2006. 192 −192. (1; 5).
5.1.
2006
Tummeleht, L.; Hõrak, P.; Kilgas, P. (2006). Blood antioxidants in incubating Great Tits in relation to health state and breeding habitat. Journal of Ornithology, 147: 24th International Ornithological Congress; Hamburg, Germany; 13-19 August 2006. 265−265 . (1; 5).
1.1.
2004
Horak, P.; Surai, PF.; Ots, I.; Moller, AP. (2004). Fat soluble antioxidants in brood-rearing great tits Parus major: relations to health and appearance. Journal of Avian Biology, 35 (1), 63−70.
1.1.
2004
Hõrak, P.; Saks, L.; Karu, U.; Ots, I.; Surai, PF.; McGraw, KJ. (2004). How coccidian parasites affect health and appearance of greenfinches. Journal of Animal Ecology, 73 (5), 935−947.
1.1.
2003
Hõrak, P. (2003). When to pay the cost of reproduction? A brood size manipulation experiment in great tits (Parus major). Behavioral Ecology and Sociobiology, 54 (2), 105−112.
1.1.
2003
Hõrak, P.; Saks, L. (2003). Animal allure and health linked by plant pigments. Bioessays, 25 (8), 746−747.
1.1.
2003
Saks, L.; Ots, I.; Hõrak, P. (2003). Carotenoid-based plumage coloration of male greenfinches reflects health and immunocompetence. Oecologia, 134 (3), 301−307.
1.1.
2003
Saks, L.; McGraw, K.; Hõrak, P. (2003). How feather colour reflects its carotenoid content. Functional Ecology, 17 (4), 555−561.
1.1.
2003
Freitak, D.; Ots, I.; Vanatoa, A.; Horak, P. (2003). Immune response is energetically costly in white cabbage butterfly pupae. Proceedings of the Royal Society of London Series B-Biological Sciences, 270, S220−S222.
1.1.
2003
Hõrak, P.; Saks, L.; Ots, I.; Kullissaar, T.; Kollist, H.; Zilmer, M. (2003). Physiological effects of immune challenge in captive greenfinches (Carduelis chloris). Canadian Journal of Zoology-Revue Canadienne de Zoologie, 81 (3), 371−379.
3.5.
2003
Saks, L.; Karu, U; Ots, Indrek; Hõrak, Peeter (2003). Kuidas parasiidid mõjutavad peremehe välimust: eksperimentaalne koktsiidinakkus rohevintidel. Toomas Frey (Toim.). Eesti IX Ökoloogiakonverentsi kogumik “Kaasaegse ökoloogia probleemid” (287−293).. Tartu: Eesti Ökoloogiakogu.
1.1.
2002
Horak, P.; Saks, L.; Ots, I.; Kollist, H. (2002). Repeatability of condition indices in captive greenfinches (Carduelis chloris). Canadian Journal of Zoology-Revue Canadienne de Zoologie, 80 (4), 636−643.
1.2.
2002
Hõrak, P.; Surai, P. F.; Møller, A. P (2002). Fat-soluble antioxidants in the eggs of great tits Parus major in relation to breeding habitat and laying sequence. Avian Science, 2 (3), 123−131.
1.1.
2001
Hõrak, P.; Ots, I.; Vellau, H.; Spottiswoode, C.; Møller, AP. (2001). Carotenoid-based plumage coloration reflects hemoparasite infection and local survival in breeding great tits. Oecologia, 126 (2), 166−173.
1.1.
2001
Ots, I.; Kerimov, AB.; Ivankina, EV.; Ilyina, TA.; Hõrak, P. (2001). Immune challenge affects basal metabolic activity in wintering great tits. Proceedings of the Royal Society of London Series B-Biological Sciences, 268 (1472), 1175−1181.
1.1.
2000
Horak, P.; Vellau, H.; Ots, I.; Moller, AP. (2000). Growth conditions affect carotenoid-based plumage coloration of great tit nestlings. Naturwissenschaften, 87 (10), 460−464.
1.1.
2000
Horak, P.; Ots, I.; Tegelmann, L.; Moller, A. (2000). Health impact of phytohaemagglutinin-induced immune challenge on great tit (Parus major) nestlings. Canadian Journal of Zoology-Revue Canadienne de Zoologie, 78 (6), 905−910.
1.1.
1999
Tammaru, T.; Hõrak, P. (1999). Should one invest more in large broods? Not necessarily. Oikos, 85 (3), 574−581.
1.1.
1999
Hõrak, P.; Jenni-Eiermann, S.; Ots, I. (1999). Do great tits (Parus major) starve to reproduce? Oecologia, 119 (3), 293−299.
1.1.
1999
Hõrak, P.; Tegelmann, L.; Ots, I.; Møller, A.P. (1999). Immune function and survival of great tit nestlings in relation to growth conditions. Oecologia, 121 (3), 316−322.
1.1.
1998
Horak, P.; Lebreton, JD. (1998). Survival of adult Great Tits Parus major in relation to sex and habitat$$ a comparison of urban and rural populations. Ibis, 140 (2), 205−209.
1.1.
1998
Horak, P.; Ots, I.; Murumagi, A. (1998). Haematological health state indices of reproducing Great Tits: a response to brood size manipulation. Functional Ecology, 12 (5), 750−756.
1.1.
1998
Ots, I.; Murumagi, A.; Hõrak, P. (1998). Haematological health state indices of reproducing Great Tits: methodology and sources of natural variation. Functional Ecology, 12 (4), 700−707.
1.1.
1998
Ots, I.; Hõrak, P. (1998). Health impact of blood parasites in breeding great tits. Oecologia, 116 (4), 441−448.
1.1.
1998
Horak, P.; Jenni-Eiermann, S.; Ots, I.; Tegelmann, L. (1998). Health and reproduction: the sex-specific clinical profile of great tits (Parus major) in relation to breeding. Canadian Journal of Zoology-Revue Canadienne de Zoologie, 76 (12), 2235−2244.
1.2.
1998
Hõrak, P.; Ots, I. (1998). Health state and local survival in the Great Tit. Biologia e Conservazione della Fauna, 102, 306−311.
1.1.
1997
Hõrak, P.; Mänd, R.; Ots, I. (1997). Identifying targets of selection: A multivariate analysis of reproductive traits in the great tit. Oikos, 78 (3), 592−600.
1.1.
1996
Hõrak, P.; Tammaru, T. (1996). Between-year variation in breeding conditions biases heritability estimates for body size in birds. Ardea, 84, 127−135.
1.1.
1996
Ots, I.; Hõrak, P. (1996). Great Tits Parus major trade health for reproduction. Proceedings of the Royal Society of London Series B-Biological Sciences, 263 (1376), 1443−1447.
1.1.
1995
Horak, P. (1995). Brood reduction facilitates female but not offspring survival in the great tit. Oecologia, 102 (4), 515−519.
1.1.
1995
Horak, P.; Mand, R.; Ots, I.; Leivits, A. (1995). Egg size in the great tit Parus major: individual, habitat and geographic differences. Ornis Fennica, 72 (3), 97−114.
1.1.
1994
Horak, P. (1994). Effect of nestling history on adult size and reproduction in the great tit. Ornis Fennica, 71 (2), 47−54.
1.1.
1993
Horak, P. (1993). Low fledging success of urban great tits. Ornis Fennica, 70 (3), 168−172.

Peeter Hõrak

11.12.1963
737 5075
horak@ut.ee

Career

Institution and occupation
01.01.2016–31.01.2018    University of Tartu, Faculty of Science and Technology, Institute of Ecology and Earth Sciences, Professorof Animal Physiological Ecology (1,00)
01.07.2015–31.12.2015    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Professorof Animal Physiological Ecology (1,00)
01.02.2013–30.06.2015    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Professorof Animal Physiological Ecology (0,50)
01.07.2012–30.06.2015    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Senior Research Fellow in Evolutionary Animal Ecology (0,50)
01.07.2009–30.06.2012    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Senior Research Fellow in Evolutionary Animal Ecology (0,50)
01.02.2008–31.01.2013    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Professor of Animal Physiological Ecology (0,50)
01.02.2008–30.06.2009    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Senior Research Fellow (0,50)
01.01.2008–31.12.2013    Tartu University, professor
01.01.2008–31.01.2008    University of Tartu, Faculty of Science and Technology (old), Institute of Ecology and Earth Sciences, Tartu University, Senior Research Fellow (1,00)
01.08.2007–31.12.2007    University of Tartu, Faculty of Biology and Geography, Institute of Ecology and Earth Sciences, Senior Research Fellow (1,00)
01.07.2004–31.07.2007    University of Tartu, Faculty of Biology and Geography, Institute of Zoology and Hydrobiology, Senior Research Fellow (1,00)
1996–1998    Not specified, Research training: 1991 Dec., Course in biostatistics in Reposaari (Turku University); 1993 Jan. - Dec., Turku University, Lab. of Ecological Zoology; 1996 Feb.- March, 1997 Feb.- March; 1998 October - November Uppsala Univ., Department of Zoology (1,00)
1983–2004    Not specified, Military service 1983-1985; Inst. of Zool. and Botany (ZBI) Lab. of Ornithology, lab. assistant, Sept. 1989 - Dec. 1989; ZBI Lab. of Ornithology, postgrad. student Dec. 1989 - Sept. 1991; Tartu University, Ph.D. studies in animal ecology, Sept. 1991 - Sept. 1995; ZBI Animal Ecology Section, researcher, Jan. 1996 - March 1998; ZBI Zoology section, senior researcher, Apr. 1998 - June 1999; Tartu University, Inst. of Zool. and Hydrobiol., senior researcher, July 1999 - (1,00)
 
 
Education
diploma degree in biology (zoology)in Tartu University
 
 
R&D related managerial and administrative work
2006−...    Member of the International Ornithological Commitee
2003−...    Associate edoitor: Ardeola since 2003
2009−2009    Opponent of PhD thesis of Vaidas Palinauskas "Experimental investigation of avian malaria parasites (Plasmodium, Haemosporida): linkage of traditional and molecular data“ (Institute of Ecology of Vilnius University)
2009−2012    Member of the Council of Estonian Science Foundation (Environmental and life sciences)
2008−2015    Member of the council of the research excellency center FIBIR (Frontiers in Biodiversity Research) and director of the laboratory of physiological support services of FIBIR
2008−2008    Opponent of PhD thesis of Berndt Ronning ”Sources of inter- and intraindividual variation in basal metabolic rate in the zebra finch, Taeniopygia guttata” (Faculty of Science and Technology, Norwegian University of Science and Technology)
2007−2007    Evaluated Natalia Pitala's PhD thesis "Causes and consequences of variation in nestling immune function" (University of Helsinki, 2007)
2007−2007    Opponent of PhD thesis of Anne Berthouly "Carotenoids, reproductive strategies and offspring performance in the Great Tit" (University of Bern)
2007−2012    Member of the council of the Institute of Ecology and Earth Sciences
2007−2007    Member of the scientific programme committee: 7th congress of the European Ornithologists' Union, Austria 2007
2005−2016    Associate editor: Functional Ecology since 2005
2003−2006    Member of the Council of Estonian Science Foundation (Bio- and Geosciences, 2003-2006)
2003−2003    Opponent to Ph.D. theses of Paola Ninni “The function of carotenoids in the barn swallow (Hirundo rustica)” ( Universite Paris6, 2003).
2003−2007    member of the Council of Faculty of Biology and Geography, Tartu University (since 2003)
2002−2002    Reviewed Markus Rantala's PhD thesis “Immunocompetence and sexual selection in insects” (University of Jyväskylä, 2002).
2001−2003    Associate editor. Avian Science 2001-2003
1998−2008    Reviewed grant applications for Estonian Science Foundation and Swiss National Science Foundation
 
 
Additional career information
Reviewed manuscripts for: ajakirjadele Proceedings of the Royal Society of London. B, Biology Letters, Ecology Letters, Ecology, Naturwissenschaften, Journal of Natural History, Global Change Biology, Evolution, Journal of Animal Ecology, Functional Ecology, Oecologia, Oikos, PLoS ONE, Journal of Experimental Biology, BMC Physiology, Biological Journal of Linnean Society, Ethology, Ethology Ecology & Evolution, Behavioural Ecology, Behavioural Ecology and Sociobiology, Physiology & Behaviour, Hormones & Behavior, Animal Biology, Ecography, Chemoecology, Journal of Chemical Ecology, Environmental Pollution, Science of the Total Environment, Polar Biology, Physiological and Biochemical Zoology, Journal of Comparative Physiology, Comparative Biochemistry and Physiology,Canadian Journal of Zoology, Annales Zoologici Fennici, Journal of Avian Biology, Journal of Ornithology, Condor, Ibis, Avian Science, Ardea, Ardeola, Ornis Fennica, Acta Ornithologica, Journal of Field Ornithology, Physiological Entomology, Parasitology, Tropical Medicine and Health, Journal of Experimental Marine Biology and Ecology, Poultry Science, Journal of Veterinary Medical Science, Wildlife Research, Royal Society Open Science;

Qualifications

Academic degrees
 
 
Honours & awards
2013, Peeter Hõrak, National Science Award
2013, Peeter Hõrak, University of Tartu Medal
2012, Peeter Hõrak, Annual Science Award of Estonian Republic in Biological and Geosciences in 2012 "Immune function and oxidative stress in the context of animal ecolgy research"
2007, Peeter Hõrak, University of Tartu Badge of Distinction
2002, Peeter Hõrak, Annual Science Award of Estonian Republic in Biological and Geosciences in 2002 (together with Raivo Mänd, Indrek Ots and Toomas Tammaru)
 
 
Field of research
FIELD OF RESEARCH: 1. Biosciences and Environment; 1.4. Ecology, Biosystematics and -physiology; SPECIALITY: Parental Investment Theory, Physiological mechanisms and behavioural aspects of paying reproductive costs, Immunoecology: costs of immune responses, immunefunction, parasite resistance and carotenoid-based signals in the context of natural and sexual selection, clinical health parameters as indicators of individual condition and infection status. Effects of blood parasites, coccidians and neurotropic nematodes on host physiology, behaviour and expression of ornamental traits. Oxidative stress in the ecological context.
 
 
Additional information
PhD
Tartu University, 1995

Projects in progress

Completed projects

Dissertations under supervision

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2017
Sepp, Tuul; Rattiste, Kalev; Saks, Lauri; Meitern, Richard; Kaasik, Ants; Urvik, Janek; Hõrak, Peeter (2017). A small badge of longevity: opposing survival selection on the size of white and black wing markings. Journal of Avian Biology, xxx−xxx.DOI:10.1111/jav.01136/abstrac [forthcoming].
6.8.
2017
Hõrak, Peeter (2017). Commentary: transgenerational effects of parental death—a life history perspective. International Journal of Epidemiology, 46 (1), 230−232.10.1093/ije/dyw368.
1.1.
2016
Hõrak, P: Männiste, M. (2016). Viability selection affects black but not yellow plumage colour in greenfinches. Oecologia, 180, 23−32.
1.1.
2016
Hõrak, Peeter; Valge, Markus (2016). Old-for-grade girls reproduce but do not mature early: Simply a mechanistic link between educational progress and pace of life? Intelligence, 57, 41−47.10.1016/j.intell.2016.04.004.
1.1.
2016
Urvik, J; Meitern, R; Rattiste, K; Saks, L; Hõrak, P., Sepp, T (2016). Variation in the Markers of Nutritional and Oxidative State in a Long-Lived Seabird: Associations with Age and Longevity. Physiological and Biochemical Zoology, 89 (5), 417−440.10.1086/688180.
1.1.
2015
Hõrak, Peeter; Valge, Markus (2015). Why did children grow so well at hard times? The ultimate importance of pathogen control during puberty. Evolution, Medicine, and Public Health, 1, 167−178.10.1093/emph/eov017.
1.1.
2015
Visse, M.; Sild, E.; Kesler, M.; Hõrak, P. (2015). Do Atlantic salmon parr trade growth against immunity? Marine and Freshwater Behaviour and Physiology, 48 (4), 225−240.10.1080/10236244.2015.1035536.
1.1.
2015
Rattiste, Kalev; Klandorf, Hillar; Urvik, Janek ; Sepp, Tuul; Asghar, Muhammad; Hasselquist, Dennis; Cooey, Crissa; Hõrak, Peeter (2015). Skin pentosidine and telomere length do not covary with age in a long-lived seabird. Biogerontology, 16 (4), 435−441.10.1007/s10522-015-9564-1.
1.1.
2015
Moore, F.; Cīrule, D.; Kivleniece, I.; Vrublevska, J.; Rantala, M.; Sild, E.; Sepp, T.; Hõrak, P.; Krama, T.; Krams, I. (2015). Investment in a sexual signal results in reduced survival under extreme conditions in the male great tit (Parus major). Behavioral Ecology and Sociobiology, 69 (1), 151−158.10.1007/s00265-014-1828-2.
1.1.
2015
Arlet, M.E.; Chapman, C.A.; Isbell, L.A.; Molleman, F.; Mänd, R.; Hõrak, P.; Carey, J.R. (2015). Social and ecological correlates of parasitic infections in adult male gray-cheeked mangabeys (Lophocebus albigena). International Journal of Primatology, 36 (5), 950−969.
1.1.
2015
Hõrak, P; Valge, M. (2015). Father’s death does not affect growth and maturation but hinders reproduction: evidence from adolescent girls in post-war Estonia. Biology Letters, 11 (12), 1−6.10.1098/rsbl.2015.0752.
1.1.
2014
Sepp, Tuul; Männiste, Marju; Kaasik, Ants; Hõrak, Peeter. (2014). Multidimensionality of fear in captive greenfinches (Carduelis chloris). Behavioral Ecology and Sociobiology, 68 (7), 1173−1181.DOI:10.1007/s00265-014-1728-5.
1.1.
2014
Sild, Elin; Meitern, Richard; Männiste, Marju; Karu, Ulvi; Hõrak, Peeter (2014). High feather corticosterone indicates better coccidian infection resistance in greenfinches. General and Comparative Endocrinology, 204, 203−210.10.1016/j.ygcen.2014.05.026.
1.1.
2014
Kilk, Kalle; Meitern, Richard; Härmson, Oliver; Soomets, Ursel; Hõrak, Peeter (2014). Assessment of oxidative stress in serum by d-ROMs test. Free Radical Research, 48 (8), 883−889.10.3109/10715762.2014.919390.
1.1.
2014
Meitern, Richard; Andreson, Reidar; Hõrak, Peeter (2014). Profile of whole blood gene expression following immune stimulation in a wild passerine. BMC Genomics, 15, 533.10.1186/1471-2164-15-533.
1.2.
2014
Männiste, Marju; Hõrak, Peeter (2014). Emerging infectious disease selects for darker plumage coloration in greenfinches. Frontiers in Ecology and Evolution: Behavioral and Evolutionary Ecology, 2 (4), x.10.3389/fevo.2014.00004.
6.3.
2014
Hõrak, P., Sepp, T. (2014). Haridus kui paabulinnu saba. Sirp. Eesti Kultuurileht, 2−4.
1.1.
2013
Meitern, Richard; Sild, Elin; Kilk, Kalle; Porosk, Rando; Hõrak, Peeter (2013). On the methodological limitations of detecting oxidative stress: effects of paraquat on measures of oxidative status in greenfinches. Journal of Experimental Biology, 216 (14), 2713−2721.10.1242/jeb.087528.
1.1.
2013
Meitern, R.; Sild, E.; Lind, M.-A; Männiste, M.; Sepp, T.; Karu , U.; Hõrak, P. (2013). Effects of endotoxin and psychological stress on redox physiology, immunity and feather corticosterone in greenfinches. PLoS ONE, 8 (6), e67545.10.1371/journal.pone.0067545.
1.1.
2013
Hõrak, P.; Männiste, M.; Meitern, R.; Sild, E.; Saks, L.; Sepp, T. (2013). Dexamethasone inhibits corticosterone deposition in feathers of greenfinches. General and Comparative Endocrinology, 191, 210−214.10.1016/j.ygcen.2013.07.002.
1.1.
2013
Männiste, M.; Sepp, T.l; Hõrak, P. (2013). Locomotor activity of captive greenfinches involves two different behavioural traits. Ethology, 119 (7), 581−591.10.1111/eth.12099.
1.1.
2013
Krams, I.; Vrublevska, J.; Cirule, D.; Kivleniece, I.; Krama, T.; Rantala, M.J.; Kaasik, A.; Hõrak, P.; Sepp, T. (2013). Stress, Behaviour and Immunity in Wild-Caught Wintering Great Tits (Parus major). Ethology, 119 (5), 397−406.10.1111/eth.12075.
6.6.
2013
Hõrak, P. (2013). Mõistuspärane optimism. .
1.1.
2012
Krams, I.; Vrublevska, J.; Cirule, D.; Kivleniece, I.; Krama, T.; Rantala, M.J.; Sild, E.; Hõrak, P. (2012). Heterophil/lymphocyte ratios predict the magnitude of humoral immune response to a novel antigen in great tits (Parus major). Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology, 161, 422−428.
1.1.
2012
Sepp, T.;Karu, U.; Blount, J. D.; Sild, E.; Männiste, M.; Hõrak, P. (2012). Coccidian infection causes oxidative damage in greenfinches. PLoS ONE, 7, 5, e36495.
1.1.
2012
Sepp, T.; Sild, E.; Blount, J. D.; Männiste, M.; K., U.; Hõrak, P. (2012). Individual consistency and covariation of measures of oxidative status in greenfinches. Physiological and Biochemical Zoology, 85 (3), 299−307.
6.3.
2012
Hõrak, P.; Viikmaa, M. (2012). Darwini evolutsioonikäsitlusele ei ole alternatiive. .
6.3.
2012
Hõrak, P. (2012). Parasiidid kultuuriloojatena. .
1.1.
2011
Sild, E.; Sepp, T. Männiste, M.; Hõrak, P. (2011). Carotenoid intake does not affect immune-stimulated oxidative burst in greenfinches. Journal of Experimental Biology, 214 (20), 3467−3473.10.1242/jeb.062182.
1.1.
2011
Männiste, M.; Hõrak, P. (2011). Effects of Immune Activation and Glucocorticoid Administration on Feather Growth in Greenfinches. Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 315A (9), 527−535.10.1002/jez.701.
1.1.
2011
Sild, E.; Sepp, T.; Hõrak, P. (2011). Behavioural trait covaries with immune responsiveness in a wild passerine. Brain, Behavior, and Immunity, 25 (7), 1349−1354.10.1016/j.bbi.2011.03.020.
1.1.
2011
Sepp, T.; Karu, U.; Sild, E.; Männiste, M.; Hõrak, P. (2011). Effects of carotenoids, immune activation and immune suppression on the intensity of chronic coccidiosis in greenfinches. Experimental Parasitology, 127 (3), 651−657.10.1016/j.exppara.2010.12.004.
1.1.
2011
Lõhmus, M.; Sild, E.; Hõrak, P.; Björklund, M. (2011). Effects of chronic leptin administration on nitric oxide production and immune responsiveness of greenfinches. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology, 158, 158−165.
1.1.
2010
Sild, Elin; Hõrak, Peeter (2010). Assessment of oxidative burst in avian whole blood samples: validation and application of a chemiluminescence method based on Pholasin. Behavioral Ecology and Sociobiology, 64 (12), 2065−2076.10.1007/s00265-010-1076-z.
1.1.
2010
McCraw, K.J., Cohen, A.A., Costantini, D., Hõrak, P. (2010). The ecological significance of antioxidants and oxidative stress: a marriage between mechanistic and functional perspectives. Functional Ecology, 24 (5), 947−949.10.1111/j.1365-2435.2010.01772.x.
1.1.
2010
Hõrak, P.; Cohen, A. (2010). How to measure oxidative stress in an ecological context: methodological and statistical issues. Functional Ecology, 24 (5), 960−970.10.1111/j.1365-2435.2010.01755.x.
1.1.
2010
Kilgas, P.; Tilgar, V.; Külavee, R.; Saks, L.; Hõrak, P.; Mänd, R. (2010). Antioxidant protection, immune function and growth of nestling great tits Parus major in relation to within-brood hierarchy. Comparative Biochemistry and Physiology. B-Biochemistry and Molecular Biology, 157 (3), 288−293.10.1016/j.cbpb.2010.07.002.
1.1.
2010
Hõrak, P.; Sild, E.; Soomets, U.; Sepp, T.; Kilk, K. (2010). Oxidative stress and information content of black and yellow plumage coloration: an experiment with greenfinches. Journal of Experimental Biology, 213, 2225−2233.10.1242/jeb.042085.
1.1.
2010
Sepp, T.; Sild, E.; Hõrak, P. (2010). Hematological condition indexes in greenfinches: effects of captivity and diurnal variation. Physiological and Biochemical Zoology, 83 (2), 276−282.10.1086/648580.
6.3.
2010
Hõrak, P. (2010). Demograafilise paradoksi evolutsiooniline seletus. .
6.6.
2010
Hõrak, P. (2010). Miks elavad mehed vähem kui naised? .
1.1.
2009
Sarv, T.; Hõrak, P. (2009). Phytohaemagglutinin injection has a long-lasting effect on immune cells. Journal of Avian Biology, 40 (5), 569−571.10.1111/j.1600-048X.2009.04713.x.
6.3.
2009
Hõrak, P. (2009). Gaia kultus. (50−51)..
6.6.
2009
Hõrak, P. (2009). Mees, kes seletas ära paabulinnu saba. Postimees..
1.1.
2008
Karu, U.; Saks, L.; Hõrak, P. (2008). Carotenoid-based plumage coloration is not affected by vitamin E supplementation in male greenfinches. Ecological Research, 23, 931−935.
1.1.
2007
Karu, U.; Saks, L.; Hõrak, P. (2007). Carotenoid coloration in greenfinches is individually consistent irrespective of foraging ability. Physiological and Biochemical Zoology, 80 (6), 663−670.10.1086/521084.
1.1.
2007
Hõrak, P.; Saks, L.; Zilmer, M.; Karu, U.; Zilmer, K. (2007). Notes and comments - Do dietary antioxidants alleviate the cost of immune activation? An experiment with greenfinches. American Naturalist, 170 (4), 625−635.10.1086/521232.
1.1.
2006
Hõrak, P.; Tummeleht, L.; Talvik, H. (2006). Predator threat, copulation effort, and immunity in male rats (Rattus norvegicus). Journal of Zoology , 268 (1), 9−16.
1.1.
2006
Hõrak, P.; Tummeleht, L.; Talvik, H. (2006). Predictors and markers of resistance to neurotropic nematode infection in rodent host. Parasitology Research, 98 (5), 396−402.
1.1.
2006
Tummeleht, L.; Mägi, M.; Kilgas, P.; Mänd, R.; Hõrak, P. (2006). Antioxidant protection and plasma carotenoids of incubating great tits (Parus major L.) in relation to health state and breeding conditions. Comparative Biochemistry and Physiology C-Pharmacology Toxicology & Endocrinology, 144 (2), 166−172.10.1016/j.cbpc.2006.08.004.
1.1.
2006
Hõrak, P.; Zilmer, M.; Saks, L.; Ots, I.; Karu, U.; Zilmer, K. (2006). Antioxidant protection, carotenoids, and the costs of immune challenge in greenfinches. Journal of Experimental Biology, 209, 4329−4338.
1.1.
2006
Saks, L.; Karu, U.; Ots, I.; Hõrak, P. (2006). Do standard measures of immunocompetence reflect parasite resistance? The case of greenfinch coccidiosis. Functional Ecology, 20 (1), 75−82.
1.1.
2006
Hõrak, P.; Saks, L.; Karu, U.; Ots, I. (2006). Host resistance and parasite virulence in greenfinch coccidiosis. Journal of Evolutionary Biology, 19 (1), 277−288.
5.1.
2006
Hõrak, P.; Ots, I; Saks, L.; Karu, U. (2006). Immune function, carotenoids, and antioxidant defenses in captive Greenfinches. Journal of Ornithology, 147: 24th International Ornithological Congress; Hamburg, Germany; 13-19 August 2006. 183−183. (1; 5).
5.1.
2006
Karu, U.; Saks, L.; Hõrak, P.; Ots, I. (2006). Parasite resistance and immunocompetence in a Greenfinch-coccidiosis model system. Journal of Ornithology, 147: 24th International Ornithological Congress; Hamburg, Germany; 13-19 August 2006. 192 −192. (1; 5).
5.1.
2006
Tummeleht, L.; Hõrak, P.; Kilgas, P. (2006). Blood antioxidants in incubating Great Tits in relation to health state and breeding habitat. Journal of Ornithology, 147: 24th International Ornithological Congress; Hamburg, Germany; 13-19 August 2006. 265−265 . (1; 5).
1.1.
2004
Horak, P.; Surai, PF.; Ots, I.; Moller, AP. (2004). Fat soluble antioxidants in brood-rearing great tits Parus major: relations to health and appearance. Journal of Avian Biology, 35 (1), 63−70.
1.1.
2004
Hõrak, P.; Saks, L.; Karu, U.; Ots, I.; Surai, PF.; McGraw, KJ. (2004). How coccidian parasites affect health and appearance of greenfinches. Journal of Animal Ecology, 73 (5), 935−947.
1.1.
2003
Hõrak, P. (2003). When to pay the cost of reproduction? A brood size manipulation experiment in great tits (Parus major). Behavioral Ecology and Sociobiology, 54 (2), 105−112.
1.1.
2003
Hõrak, P.; Saks, L. (2003). Animal allure and health linked by plant pigments. Bioessays, 25 (8), 746−747.
1.1.
2003
Saks, L.; Ots, I.; Hõrak, P. (2003). Carotenoid-based plumage coloration of male greenfinches reflects health and immunocompetence. Oecologia, 134 (3), 301−307.
1.1.
2003
Saks, L.; McGraw, K.; Hõrak, P. (2003). How feather colour reflects its carotenoid content. Functional Ecology, 17 (4), 555−561.
1.1.
2003
Freitak, D.; Ots, I.; Vanatoa, A.; Horak, P. (2003). Immune response is energetically costly in white cabbage butterfly pupae. Proceedings of the Royal Society of London Series B-Biological Sciences, 270, S220−S222.
1.1.
2003
Hõrak, P.; Saks, L.; Ots, I.; Kullissaar, T.; Kollist, H.; Zilmer, M. (2003). Physiological effects of immune challenge in captive greenfinches (Carduelis chloris). Canadian Journal of Zoology-Revue Canadienne de Zoologie, 81 (3), 371−379.
3.5.
2003
Saks, L.; Karu, U; Ots, Indrek; Hõrak, Peeter (2003). Kuidas parasiidid mõjutavad peremehe välimust: eksperimentaalne koktsiidinakkus rohevintidel. Toomas Frey (Toim.). Eesti IX Ökoloogiakonverentsi kogumik “Kaasaegse ökoloogia probleemid” (287−293).. Tartu: Eesti Ökoloogiakogu.
1.1.
2002
Horak, P.; Saks, L.; Ots, I.; Kollist, H. (2002). Repeatability of condition indices in captive greenfinches (Carduelis chloris). Canadian Journal of Zoology-Revue Canadienne de Zoologie, 80 (4), 636−643.
1.2.
2002
Hõrak, P.; Surai, P. F.; Møller, A. P (2002). Fat-soluble antioxidants in the eggs of great tits Parus major in relation to breeding habitat and laying sequence. Avian Science, 2 (3), 123−131.
1.1.
2001
Hõrak, P.; Ots, I.; Vellau, H.; Spottiswoode, C.; Møller, AP. (2001). Carotenoid-based plumage coloration reflects hemoparasite infection and local survival in breeding great tits. Oecologia, 126 (2), 166−173.
1.1.
2001
Ots, I.; Kerimov, AB.; Ivankina, EV.; Ilyina, TA.; Hõrak, P. (2001). Immune challenge affects basal metabolic activity in wintering great tits. Proceedings of the Royal Society of London Series B-Biological Sciences, 268 (1472), 1175−1181.
1.1.
2000
Horak, P.; Vellau, H.; Ots, I.; Moller, AP. (2000). Growth conditions affect carotenoid-based plumage coloration of great tit nestlings. Naturwissenschaften, 87 (10), 460−464.
1.1.
2000
Horak, P.; Ots, I.; Tegelmann, L.; Moller, A. (2000). Health impact of phytohaemagglutinin-induced immune challenge on great tit (Parus major) nestlings. Canadian Journal of Zoology-Revue Canadienne de Zoologie, 78 (6), 905−910.
1.1.
1999
Tammaru, T.; Hõrak, P. (1999). Should one invest more in large broods? Not necessarily. Oikos, 85 (3), 574−581.
1.1.
1999
Hõrak, P.; Jenni-Eiermann, S.; Ots, I. (1999). Do great tits (Parus major) starve to reproduce? Oecologia, 119 (3), 293−299.
1.1.
1999
Hõrak, P.; Tegelmann, L.; Ots, I.; Møller, A.P. (1999). Immune function and survival of great tit nestlings in relation to growth conditions. Oecologia, 121 (3), 316−322.
1.1.
1998
Horak, P.; Lebreton, JD. (1998). Survival of adult Great Tits Parus major in relation to sex and habitat$$ a comparison of urban and rural populations. Ibis, 140 (2), 205−209.
1.1.
1998
Horak, P.; Ots, I.; Murumagi, A. (1998). Haematological health state indices of reproducing Great Tits: a response to brood size manipulation. Functional Ecology, 12 (5), 750−756.
1.1.
1998
Ots, I.; Murumagi, A.; Hõrak, P. (1998). Haematological health state indices of reproducing Great Tits: methodology and sources of natural variation. Functional Ecology, 12 (4), 700−707.
1.1.
1998
Ots, I.; Hõrak, P. (1998). Health impact of blood parasites in breeding great tits. Oecologia, 116 (4), 441−448.
1.1.
1998
Horak, P.; Jenni-Eiermann, S.; Ots, I.; Tegelmann, L. (1998). Health and reproduction: the sex-specific clinical profile of great tits (Parus major) in relation to breeding. Canadian Journal of Zoology-Revue Canadienne de Zoologie, 76 (12), 2235−2244.
1.2.
1998
Hõrak, P.; Ots, I. (1998). Health state and local survival in the Great Tit. Biologia e Conservazione della Fauna, 102, 306−311.
1.1.
1997
Hõrak, P.; Mänd, R.; Ots, I. (1997). Identifying targets of selection: A multivariate analysis of reproductive traits in the great tit. Oikos, 78 (3), 592−600.
1.1.
1996
Hõrak, P.; Tammaru, T. (1996). Between-year variation in breeding conditions biases heritability estimates for body size in birds. Ardea, 84, 127−135.
1.1.
1996
Ots, I.; Hõrak, P. (1996). Great Tits Parus major trade health for reproduction. Proceedings of the Royal Society of London Series B-Biological Sciences, 263 (1376), 1443−1447.
1.1.
1995
Horak, P. (1995). Brood reduction facilitates female but not offspring survival in the great tit. Oecologia, 102 (4), 515−519.
1.1.
1995
Horak, P.; Mand, R.; Ots, I.; Leivits, A. (1995). Egg size in the great tit Parus major: individual, habitat and geographic differences. Ornis Fennica, 72 (3), 97−114.
1.1.
1994
Horak, P. (1994). Effect of nestling history on adult size and reproduction in the great tit. Ornis Fennica, 71 (2), 47−54.
1.1.
1993
Horak, P. (1993). Low fledging success of urban great tits. Ornis Fennica, 70 (3), 168−172.
Detailne otsing
  • Leitud 5 kirjet
ProgrammNumberNimiProjekti algusProjekti lõppVastutav täitjaAsutusRahastamine kokku
ETFETF7737Antioksüdantkaitse, oksüdatiivne stress, parasiidiresistentsus ja immuunpatoloogia – indutseeritud kaitsereaktsioonide tulud ja kulud värvulistel 01.01.200931.12.2012Peeter HõrakTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond49 689,18 EUR
SFSF0180004s09Füsioloogiline käitumisökoloogia: füsioloogiline meetod ökoloogia, käitumis- ja evolutsiooniuuringute teenistuses01.01.200931.12.2014Raivo MändTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond785 857,55 EUR
ETFETF6222Immuunfunktsioon ökoloogilises kontekstis: oksüdatiivne stress, karotinoidsed signaalid ja parasiidiresistentsus01.01.200531.12.2008Peeter HõrakTartu Ülikool, Bioloogia-geograafiateaduskond; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond72 643,93 EUR
IUTIUT34-8Käitumise, signaaltunnuste ja immuunfunktsiooni individuaalse kovarieerumise mehhanismid ja funktsioon elutempo sündroomi kontekstis01.01.201531.12.2020Peeter HõrakTartu Ülikool, Loodus- ja täppisteaduste valdkond, Ökoloogia ja maateaduste instituut393 600,00 EUR
SFSF0182645s04Loomade käitumise evolutsioonilis-ökoloogilised aspektid: teooria ja rakendused01.01.200431.12.2008Raivo MändTartu Ülikool, Bioloogia-geograafiateaduskond482 264,51 EUR
Detailne otsing
  • Leitud 87 kirjet
PublikatsioonKlassifikaatorFail
Sepp, Tuul; Rattiste, Kalev; Saks, Lauri; Meitern, Richard; Kaasik, Ants; Urvik, Janek; Hõrak, Peeter (2017). A small badge of longevity: opposing survival selection on the size of white and black wing markings. Journal of Avian Biology, xxx−xxx.DOI:10.1111/jav.01136/abstrac [ilmumas].1.1.
Hõrak, Peeter (2017). Commentary: transgenerational effects of parental death—a life history perspective. International Journal of Epidemiology, 46 (1), 230−232.10.1093/ije/dyw368.6.8.
Hõrak, Peeter; Valge, Markus (2016). Old-for-grade girls reproduce but do not mature early: Simply a mechanistic link between educational progress and pace of life? Intelligence, 57, 41−47.10.1016/j.intell.2016.04.004.1.1.
Urvik, J; Meitern, R; Rattiste, K; Saks, L; Hõrak, P., Sepp, T (2016). Variation in the Markers of Nutritional and Oxidative State in a Long-Lived Seabird: Associations with Age and Longevity. Physiological and Biochemical Zoology, 89 (5), 417−440.10.1086/688180.1.1.
Hõrak, P: Männiste, M. (2016). Viability selection affects black but not yellow plumage colour in greenfinches. Oecologia, 180, 23−32.1.1.
Visse, M.; Sild, E.; Kesler, M.; Hõrak, P. (2015). Do Atlantic salmon parr trade growth against immunity? Marine and Freshwater Behaviour and Physiology, 48 (4), 225−240.10.1080/10236244.2015.1035536.1.1.
Hõrak, P; Valge, M. (2015). Father’s death does not affect growth and maturation but hinders reproduction: evidence from adolescent girls in post-war Estonia. Biology Letters, 11 (12), 1−6.10.1098/rsbl.2015.0752.1.1.
Moore, F.; Cīrule, D.; Kivleniece, I.; Vrublevska, J.; Rantala, M.; Sild, E.; Sepp, T.; Hõrak, P.; Krama, T.; Krams, I. (2015). Investment in a sexual signal results in reduced survival under extreme conditions in the male great tit (Parus major). Behavioral Ecology and Sociobiology, 69 (1), 151−158.10.1007/s00265-014-1828-2.1.1.
Rattiste, Kalev; Klandorf, Hillar; Urvik, Janek ; Sepp, Tuul; Asghar, Muhammad; Hasselquist, Dennis; Cooey, Crissa; Hõrak, Peeter (2015). Skin pentosidine and telomere length do not covary with age in a long-lived seabird. Biogerontology, 16 (4), 435−441.10.1007/s10522-015-9564-1.1.1.
Arlet, M.E.; Chapman, C.A.; Isbell, L.A.; Molleman, F.; Mänd, R.; Hõrak, P.; Carey, J.R. (2015). Social and ecological correlates of parasitic infections in adult male gray-cheeked mangabeys (Lophocebus albigena). International Journal of Primatology, 36 (5), 950−969.1.1.
Hõrak, Peeter; Valge, Markus (2015). Why did children grow so well at hard times? The ultimate importance of pathogen control during puberty. Evolution, Medicine, and Public Health, 1, 167−178.10.1093/emph/eov017.1.1.
Kilk, Kalle; Meitern, Richard; Härmson, Oliver; Soomets, Ursel; Hõrak, Peeter (2014). Assessment of oxidative stress in serum by d-ROMs test. Free Radical Research, 48 (8), 883−889.10.3109/10715762.2014.919390.1.1.
Sild, Elin; Meitern, Richard; Männiste, Marju; Karu, Ulvi; Hõrak, Peeter (2014). High feather corticosterone indicates better coccidian infection resistance in greenfinches. General and Comparative Endocrinology, 204, 203−210.10.1016/j.ygcen.2014.05.026.1.1.
Sepp, Tuul; Männiste, Marju; Kaasik, Ants; Hõrak, Peeter. (2014). Multidimensionality of fear in captive greenfinches (Carduelis chloris). Behavioral Ecology and Sociobiology, 68 (7), 1173−1181.DOI:10.1007/s00265-014-1728-5.1.1.
Meitern, Richard; Andreson, Reidar; Hõrak, Peeter (2014). Profile of whole blood gene expression following immune stimulation in a wild passerine. BMC Genomics, 15, 533.10.1186/1471-2164-15-533.1.1.
Männiste, Marju; Hõrak, Peeter (2014). Emerging infectious disease selects for darker plumage coloration in greenfinches. Frontiers in Ecology and Evolution: Behavioral and Evolutionary Ecology, 2 (4), x.10.3389/fevo.2014.00004.1.2.
Hõrak, P., Sepp, T. (2014). Haridus kui paabulinnu saba. Sirp. Eesti Kultuurileht, 2−4.6.3.
Hõrak, P.; Männiste, M.; Meitern, R.; Sild, E.; Saks, L.; Sepp, T. (2013). Dexamethasone inhibits corticosterone deposition in feathers of greenfinches. General and Comparative Endocrinology, 191, 210−214.10.1016/j.ygcen.2013.07.002.1.1.
Meitern, R.; Sild, E.; Lind, M.-A; Männiste, M.; Sepp, T.; Karu , U.; Hõrak, P. (2013). Effects of endotoxin and psychological stress on redox physiology, immunity and feather corticosterone in greenfinches. PLoS ONE, 8 (6), e67545.10.1371/journal.pone.0067545.1.1.
Männiste, M.; Sepp, T.l; Hõrak, P. (2013). Locomotor activity of captive greenfinches involves two different behavioural traits. Ethology, 119 (7), 581−591.10.1111/eth.12099.1.1.
Meitern, Richard; Sild, Elin; Kilk, Kalle; Porosk, Rando; Hõrak, Peeter (2013). On the methodological limitations of detecting oxidative stress: effects of paraquat on measures of oxidative status in greenfinches. Journal of Experimental Biology, 216 (14), 2713−2721.10.1242/jeb.087528.1.1.
Krams, I.; Vrublevska, J.; Cirule, D.; Kivleniece, I.; Krama, T.; Rantala, M.J.; Kaasik, A.; Hõrak, P.; Sepp, T. (2013). Stress, Behaviour and Immunity in Wild-Caught Wintering Great Tits (Parus major). Ethology, 119 (5), 397−406.10.1111/eth.12075.1.1.
Hõrak, P. (2013). Mõistuspärane optimism. . 6.6.
Sepp, T.;Karu, U.; Blount, J. D.; Sild, E.; Männiste, M.; Hõrak, P. (2012). Coccidian infection causes oxidative damage in greenfinches. PLoS ONE, 7, 5, e36495.1.1.
Krams, I.; Vrublevska, J.; Cirule, D.; Kivleniece, I.; Krama, T.; Rantala, M.J.; Sild, E.; Hõrak, P. (2012). Heterophil/lymphocyte ratios predict the magnitude of humoral immune response to a novel antigen in great tits (Parus major). Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology, 161, 422−428.1.1.
Detailne otsing
  • Leitud 27 kirjet
PealkiriJuhendatavKraadJuhendajaKaitsmise staatusKaitsmise aastaAsutus
-Tamm, Helerimagistrikraad (teaduskraad)Peeter HõrakKaitstud2008Tartu Ülikool, Bioloogia-geograafiateaduskond
ANTIOXIDANT PROTECTION, CAROTENOIDS AND COCCIDIANS IN GREENFINCHES – ASSESSMENT OF THE COSTS OF IMMUNE ACTIVATION AND MECHANISMS OF PARASITE RESISTANCE IN A PASSERINE WITH CAROTENOID-BASED ORNAMENTSKaru, UlvidoktorikraadPeeter HõrakKaitstud2008Tartu Ülikool, Loodus- ja tehnoloogiateaduskond
Associations between aging, clinical profile and fitness in a long-lived seabirdUrvik, JanekdoktorikraadTuul Sepp; Peeter HõrakJuhendamiselTartu Ülikool
Eksperimentaalse koktsiidinakkuse mõju rohevintide tervislikule seisundile ja sulestiku värvuseleKaru, Ulvimagistrikraad (teaduskraad)Peeter HõrakKaitstud2004Tartu Ülikool, Bioloogia-geograafiateaduskond
Health state indices of reproducing great tits (Parus major): sources of variation and connections with life-history traitsOts, IndrekdoktorikraadPeeter HõrakKaitstud1999Tartu Ülikool, Bioloogia-geograafiateaduskond, Zooloogia ja hüdrobioloogia instituut
Hematological health state indices of greenfinches: sources of individual variation and responses to immune system manipulationSepp, TuuldoktorikraadPeeter HõrakKaitstud2012Tartu Ülikool
Hematological health state indices of reproducing great tits. Sources of natural variation and a response to brood size manipulationOts, Indrekmagistrikraad (teaduskraad)Peeter HõrakKaitstud1997Tartu Ülikool, Bioloogia-geograafiateaduskond, Zooloogia ja hüdrobioloogia instituut
Heteroloogse ja homoloogse koktsiidinakkuse mõju rohevindi karotenoidsele sulestikuvärvuseleMarju MännistemagistrikraadPeeter HõrakJuhendamisel
Immune function, parasites, and carotenoid-based ornaments in greenfinchesSaks, LauridoktorikraadPeeter HõrakKaitstud2004Tartu Ülikool, Bioloogia-geograafiateaduskond
Immuunparameetrid ja muud konditsiooniindeksid vangistuses peetavatel rohevintidel: püsivus ajas, seos sulestiku värvusega ja reaktsioon humoraalsele immuunväljakutseleSaks, Laurimagistrikraad (teaduskraad)Peeter HõrakKaitstud2002Tartu Ülikool, Bioloogia-geograafiateaduskond
Karotinoididel baseeruv sulestiku värvus ja maternaalsed mõjud rasvatihaselVellau, Helenmagistrikraad (teaduskraad)Peeter HõrakKaitstud2002Tartu Ülikool, Bioloogia-geograafiateaduskond
Kartulimardika kopulatsioonikäitumine: sugulasastme ja immuunaktivatsiooni mõju ning kopulatsiooni kulukusSild, ElinmagistrikraadPeeter HõrakKaitstud2007Tartu Ülikool
Keemiliselt esile kutsutud oksüdatiivse stressi mõju rohevintide oksüdatiivse staatuse biomarkeriteleMeitern, RichardmagistrikraadPeeter Hõrak; Elin SildKaitstud2012Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut
Leukocytic and biochemical condition indices of greenfinches: sources of individual variation and responses to immune system manipulationTuul SarvdoktorikraadPeeter HõrakJuhendamiselTartu Ülikool
Leukogrammi individuaalne varieeruvus rohevintidel: vabalt elavate ja puurilindude võrdlus ning reaktsioon immuunaktivatsioonile ja immuunsuppressioonileTuul SarvmagistrikraadPeeter HõrakKaitstud2008Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut
Leukotsüütsed immuunparameetrid rasvatihase pesapoegadel: individuaalse varieeruvuse põhjused ja tagajärjedTummeleht, Leamagistrikraad (teaduskraad)Peeter HõrakKaitstud2001Tartu Ülikool, Bioloogia-geograafiateaduskond
Leukotsüütsed immuunparameetrid rasvatihase pesapoegadel: individuaalse varieeruvuse põhjused ja tagajärjedLea Tegelmannmagistrikraad (teaduskraad)Peeter HõrakKaitstud2001Tartu Ülikool, Bioloogia-geograafiateaduskond
Melaniini- ja karotenoidide põhist sulestikuvärvust mõjutavad faktorid rohevintidelMänniste, MarjumagistrikraadPeeter HõrakKaitstud2010Tartu Ülikool
Oxidative defences in immunoecological context: validation and application of assays for nitric oxide production and oxidative burst in a wild passerineSild, ElindoktorikraadPeeter HõrakKaitstud2011Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, Zooloogia osakond
Physiological condition and immune function in great tits (Parus major L.): sources of variation and trade-offs in relation to growthTummeleht, LeadoktorikraadPeeter HõrakKaitstud2006Tartu Ülikool, Bioloogia-geograafiateaduskond
Physiological ecology of greenfinches: information content of feathers in relation to immune function and behaviorMänniste, MarjudoktorikraadPeeter HõrakKaitstud2014Tartu Ülikool
Redox physiology of wild birds: validation and application of techniques for detecting oxidative stressRichard MeiterndoktorikraadPeeter HõrakKaitstud2017Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut
Rohevindi peamise koesobivuskompleksi varieeruvuse seos koktsidioosiresistentsuse ja sulestiku värvusegaVanatoa, Elisemagistrikraad (teaduskraad)Peeter HõrakKaitstud2007Tartu Ülikool, Bioloogia-geograafiateaduskond, Zooloogia ja hüdrobioloogia instituut
Rohevintide käitumine vangistuses: erinevate käitumistunnuste püsivus ajas ja vastus immuunstimulatsioonile ning hirmutamiselePirko JalakasmagistrikraadPeeter Hõrak; Marju MännisteKaitstud2012Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Ökoloogia- ja Maateaduste Instituut, Loomaökoloogia õppetool
Suguline valik elektroonilisel tutvumisturulPeet, KailemagistrikraadPeeter HõrakJuhendamiselTartu Ülikool, Bioloogia-geograafiateaduskond