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Elulookirjeldus (CV)
1.Eesnimi Helen
2.Perekonnanimi Orav-Kotta
3.Töökoht TÜ Eesti Mereinstituut
4.Ametikoht vanemteadur
5.Sünniaeg 17.08.1975 (päev.kuu.aasta)
6.Haridus kõrgem
7.Teenistuskäik 2005- k.a. Eesti Mereinstituut, vanemteadur
2001-2005 Eesti Mereinstituut, teadur
2001-2002 Euroülikool, lektor
2000-2001 Helsingi Ülikool, invasiooniökoloogia uuringud
1995-2000 Eesti Mereinstituut, laborant
1999 Lääne-Eesti Saarestiku Biosfääri Kaitseala, loodushariduse spetsialist
1998-1999 Tallinna Lilleküla Gümnaasium, bioloogia õpetaja
8.Teaduskraad Doctor philosophiae (PhD) hüdrobioloogia
9.Teaduskraadi välja
andnud asutus, aasta		 Tartu Üllikool, 2004
10.Tunnustused
11.Teadusorganisatsiooniline
ja –administratiivne
tegevus		 BMB liige
12.Juhendamisel kaitstud
väitekirjad
13.Teadustöö põhisuunad Põhjaloomastiku ja taimestiku vahelised interaktsioonid, ruumilised ja ajalised skaalad
14.Jooksvad grandid ETF grandi nr. 6016 hoidja, sihtfinantseerimisprojekti 0182578s03 põhitäitja
15.Teaduspublikatsioonid

Kotta, J., Orav-Kotta, H., Paalme, T., Kotta, I., Kukk, H. 2005. Seasonal changes in situ grazing of the mesoherbivores Idotea baltica and Gammarus oceanicus on the brown algae Fucus vesiculosus and Pylaiella littoralis in the central Gulf of Finland, Baltic Sea. Hydrobiologia. In press

Kotta, J., Orav-Kotta, H., Vuorinen, I. 2005. Field measurements on the variability in biodeposition and grazing pressure of suspension feeding bivalves in the northern Baltic Sea. In: R. Dame & S. Olenin (eds) The Comparative Roles of Suspension Feeders in Ecosystems. Springer, The Netherlands, Dordrecht, pp. 11–29.

Kotta, J., Orav-Kotta, H., Sandberg-Kilpi, E. 2004. Changes in the feeding behaviour of benthic invertebrates: effect of the introduced polychaete Marenzelleria viridis on the Baltic clam Macoma balthica. Proc. Estonian Acad. Sci. Biol. Ecol., 53, 269–275.

Kotta, J., Torn, K., Martin, G., Orav-Kotta, H., Paalme, T. 2004. Seasonal variation of invertebrate grazing on Chara connivens and C. tomentosa in Kõiguste Bay, NE Baltic Sea. Helgoland Mar. Res., 58, 71–76.

Orav-Kotta, H., Kotta, J. 2004. Food and habitat choice of the isopod Idotea baltica in the northeastern Baltic Sea. Hydrobiologia, 514, 79–85.

Orav-Kotta, H., Kotta, J., Kotta, I. 2004. Comparison of macrozoobenthic communities between the 1960s and the 1990s–2000s in the Väinameri, NE Baltic Sea. Proc. Estonian Acad. Sci. Biol. Ecol., 53, 283–291.

Kotta, I., Orav-Kotta, H, Kotta, J. 2003. Macrozoobenthos assemblages in highly productive areas of the Estonian coastal sea. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 149–165.

Kotta, J., Orav-Kotta, H., Paalme, T., Kotta, I., Kukk, H. 2003. Benthos studies in the Estonian coastal sea during 1998–2001. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 85–90.

Martin G., Torn, K., Kotta, J., Orav-Kotta, H. 2003. Estonian marine phytobenthos monitoring programme: preliminary results and future perspectives. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 112–124.

Orav-Kotta, H., Kotta, J. 2003. Seasonal variations in the grazing of Gammarus oceanicus, Idotea baltica, and Palaemon adspersus on benthic macroalgae. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 141–148.

Paalme, T., Kukk, H., Kotta, J., Orav, H. 2002. “In vitro” and “in situ” decomposition of nuisance macroalgae Cladophora glomerata and Pilayella littoralis. Hydrobiologia, 475/476, 469–476.

Torn, K., Orav, H. 2002. Recent distribution of Aglaothamnion roseum (Rhodophyta) in Estonian coastal waters, NE Baltic Sea. Proc. Estonian Acad. Sci. Biol. Ecol., 51, 217–221.

Kotta, J., Orav, H. 2001. Role of benthic macroalgae in regulating macrozoobenthic assemblages in the Väinameri (north-eastern Baltic Sea). Ann. Zool. Fennici, 38, 163-171.

Kotta, J., Orav, H., Sandberg-Kilpi, E. 2001. Ecological consequence of the introduction of the polychaete Marenzelleria viridis into a shallow water biotope of the northern Baltic Sea. J. Sea Res., 46, 273–280.

Orav, H., Kotta, J., Martin, G. 2000. Factors affecting the distribution of benthic invertebrates in the phytal zone of the north-eastern Baltic Sea. Proc. Estonian Acad. Sci. Biol. Ecol., 49, 253–269.

Kotta, J., Orav, H., Kotta, I. 1998. Distribution and filtration activity of Zebra mussel, Dreissena polymorpha (Pallas) in the Gulf of Riga and the Gulf of Finland. Proc. Estonian Acad. Sci. Biol. Ecol., 47, 1, 32–41.

viimati muudetud: 06.10.2005

Curriculum Vitae (CV)
1.First Name Helen
2.Surname Orav-Kotta
3.Institution Estonian Marine Institute, University of Tartu
4.Position senior research scientist
5.Date of birth 17.08.1975 (day.month.year)
6.Education higher
7.Research and
professional experience		 2005 to date Estonian Marine Institute, senior research scientist
2000-2005 Estonian Marine Institute, research scientist
2001-2002 Eurouniversity, lector
2000-2001 University of Helsinki, invasion ecology
1995-2000 Estonian Marine Institute, technician
1999 West-Estonian Archipelago Biosphere Reserve, specialist in nature education
1998-1999 Tallinn Lillekyla Highschool, teacher in biology
8.Academic degree Doctor philosophiae (PhD) in hydrobiology
9.Dates and sites of
earning the degrees		 University of Tartu, 2004
10.Honours/awards
11.Research-administrative
experience		 member of BMB
12.Supervised dissertations
13.Current research program Interactions between benthic invertebrates and macrovegetation, spatial and temporal scales
14.Current grant funding Grant holder of ESF grant no. 6016, PI of Estonian Target Financing Programme no 0182578s03
15.List of most important publications

Kotta, J., Orav-Kotta, H., Paalme, T., Kotta, I., Kukk, H. 2005. Seasonal changes in situ grazing of the mesoherbivores Idotea baltica and Gammarus oceanicus on the brown algae Fucus vesiculosus and Pylaiella littoralis in the central Gulf of Finland, Baltic Sea. Hydrobiologia. In press

Kotta, J., Orav-Kotta, H., Vuorinen, I. 2005. Field measurements on the variability in biodeposition and grazing pressure of suspension feeding bivalves in the northern Baltic Sea. In: R. Dame & S. Olenin (eds) The Comparative Roles of Suspension Feeders in Ecosystems. Springer, The Netherlands, Dordrecht, pp. 11–29.

Kotta, J., Orav-Kotta, H., Sandberg-Kilpi, E. 2004. Changes in the feeding behaviour of benthic invertebrates: effect of the introduced polychaete Marenzelleria viridis on the Baltic clam Macoma balthica. Proc. Estonian Acad. Sci. Biol. Ecol., 53, 269–275.

Kotta, J., Torn, K., Martin, G., Orav-Kotta, H., Paalme, T. 2004. Seasonal variation of invertebrate grazing on Chara connivens and C. tomentosa in Kõiguste Bay, NE Baltic Sea. Helgoland Mar. Res., 58, 71–76.

Orav-Kotta, H., Kotta, J. 2004. Food and habitat choice of the isopod Idotea baltica in the northeastern Baltic Sea. Hydrobiologia, 514, 79–85.

Orav-Kotta, H., Kotta, J., Kotta, I. 2004. Comparison of macrozoobenthic communities between the 1960s and the 1990s–2000s in the Väinameri, NE Baltic Sea. Proc. Estonian Acad. Sci. Biol. Ecol., 53, 283–291.

Kotta, I., Orav-Kotta, H, Kotta, J. 2003. Macrozoobenthos assemblages in highly productive areas of the Estonian coastal sea. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 149–165.

Kotta, J., Orav-Kotta, H., Paalme, T., Kotta, I., Kukk, H. 2003. Benthos studies in the Estonian coastal sea during 1998–2001. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 85–90.

Martin G., Torn, K., Kotta, J., Orav-Kotta, H. 2003. Estonian marine phytobenthos monitoring programme: preliminary results and future perspectives. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 112–124.

Orav-Kotta, H., Kotta, J. 2003. Seasonal variations in the grazing of Gammarus oceanicus, Idotea baltica, and Palaemon adspersus on benthic macroalgae. Proc. Estonian Acad. Sci. Biol. Ecol., 52, 141–148.

Paalme, T., Kukk, H., Kotta, J., Orav, H. 2002. “In vitro” and “in situ” decomposition of nuisance macroalgae Cladophora glomerata and Pilayella littoralis. Hydrobiologia, 475/476, 469–476.

Torn, K., Orav, H. 2002. Recent distribution of Aglaothamnion roseum (Rhodophyta) in Estonian coastal waters, NE Baltic Sea. Proc. Estonian Acad. Sci. Biol. Ecol., 51, 217–221.

Kotta, J., Orav, H. 2001. Role of benthic macroalgae in regulating macrozoobenthic assemblages in the Väinameri (north-eastern Baltic Sea). Ann. Zool. Fennici, 38, 163-171.

Kotta, J., Orav, H., Sandberg-Kilpi, E. 2001. Ecological consequence of the introduction of the polychaete Marenzelleria viridis into a shallow water biotope of the northern Baltic Sea. J. Sea Res., 46, 273–280.

Orav, H., Kotta, J., Martin, G. 2000. Factors affecting the distribution of benthic invertebrates in the phytal zone of the north-eastern Baltic Sea. Proc. Estonian Acad. Sci. Biol. Ecol., 49, 253–269.

Kotta, J., Orav, H., Kotta, I. 1998. Distribution and filtration activity of Zebra mussel, Dreissena polymorpha (Pallas) in the Gulf of Riga and the Gulf of Finland. Proc. Estonian Acad. Sci. Biol. Ecol., 47, 1, 32–41.

last updated: 06.10.2005

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