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Helen Orav-Kotta
Helen Orav-Kotta
Researcher, Estonian Marine Institute, University of Tartu
Verified email at sea.ee
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Cited by
Year
Macroalgal blooms alter community structure and primary productivity in marine ecosystems
DA Lyons, C Arvanitidis, AJ Blight, E Chatzinikolaou, T Guy‐Haim, J Kotta, ...
Global change biology 20 (9), 2712-2724, 2014
1652014
Food and habitat choice of the isopod Idotea baltica in the northeastern Baltic Sea
H Orav-Kotta, J Kotta
Hydrobiologia 514, 79-85, 2004
1342004
Diverse effects of invasive ecosystem engineers on marine biodiversity and ecosystem functions: A global review and meta‐analysis
T Guy‐Haim, DA Lyons, J Kotta, H Ojaveer, AM Queirós, E Chatzinikolaou, ...
Global Change Biology 24 (3), 906-924, 2018
1212018
In vitro’ and ‘in situ’ decomposition of nuisance macroalgae Cladophora glomerata and Pilayella littoralis
T Paalme, H Kukk, J Kotta, H Orav
Nutrients and Eutrophication in Estuaries and Coastal Waters: Proceedings of …, 2002
942002
Cleaning up seas using blue growth initiatives: Mussel farming for eutrophication control in the Baltic Sea
J Kotta, M Futter, A Kaasik, K Liversage, M Rätsep, FR Barboza, ...
Science of the total environment 709, 136144, 2020
882020
Ecological consequence of the introduction of the polychaete Marenzelleria cf. viridis into a shallow-water biotope of the northern Baltic Sea
J Kotta, H Orav, E Sandberg-Kilpi
Journal of Sea Research 46 (3-4), 273-280, 2001
792001
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 …
OK Helen, P Tiina, K Ilmar, K Henn
Hydrobiologia 554, 117-125, 2006
702006
A successful non-native predator, round goby, in the Baltic Sea: generalist feeding strategy, diverse diet and high prey consumption
K Nurkse, J Kotta, H Orav-Kotta, H Ojaveer
Hydrobiologia 777, 271-281, 2016
692016
Seasonal variability in the grazing potential of the invasive amphipod Gammarus tigrinus and the native amphipod Gammarus salinus (Amphipoda: Crustacea) in …
H Orav-Kotta, J Kotta, K HerkŘl, I Kotta, T Paalme
Biological Invasions 11, 597-608, 2009
682009
Integrating experimental and distribution data to predict future species patterns
J Kotta, J Vanhatalo, H Jänes, H Orav-Kotta, L Rugiu, V Jormalainen, ...
Scientific reports 9 (1), 1821, 2019
622019
Role of benthic macroalgae in regulating macrozoobenthic assemblages in the Väinameri (north-eastern Baltic Sea)
J Kotta, H Orav
Annales Zoologici Fennici, 163-171, 2001
622001
Seasonal variation in invertebrate grazing on Chara connivens and C. tomentosa in Kõiguste Bay, NE Baltic Sea
J Kotta, K Torn, G Martin, H Orav-Kotta, T Paalme
Helgoland Marine Research 58, 71-76, 2004
562004
Effects of physical disturbance, isolation and key macrozoobenthic species on community development, recolonisation and sedimentation processes
K Herkul, J Kotta, I Kotta, H Orav-Kotta
Oceanologia 48 (S), 2006
542006
Habitat choice and feeding activity of benthic suspension feeders and mesograzers in the northern Baltic Sea
H Orav-Kotta
Tartu University Press, 2004
532004
Novel crab predator causes marine ecosystem regime shift
J Kotta, T Wernberg, H Jänes, I Kotta, K Nurkse, M Pärnoja, H Orav-Kotta
Scientific reports 8 (1), 4956, 2018
472018
Habitat mapping in the European Seas-is it fit for purpose in the marine restoration agenda?
V Gerovasileiou, CJ Smith, K Sevastou, N Papadopoulou, T Dailianis, ...
Marine Policy 106, 103521, 2019
432019
Environmental factors influencing the biodeposition of the suspension feeding bivalve Dreissena polymorpha (Pallas): comparison of brackish and freshwater populations
V Lauringson, E Mälton, J Kotta, K Kangur, H Orav-Kotta, I Kotta
Estuarine, Coastal and Shelf Science 75 (4), 459-467, 2007
392007
In-air spectral signatures of the Baltic Sea macrophytes and their statistical separability
J Kotta, K Remm, E Vahtmäe, T Kutser, H Orav-Kotta
Journal of Applied Remote Sensing 8 (1), 083634-083634, 2014
362014
Estonian marine phytobenthos monitoring programme: preliminary results and future perspectives
G Martin, K Torn, J Kotta, H Orav-Kotta
Proc. Estonian Acad. Sci. Biol. Ecol 52 (2), 112-124, 2003
362003
Realized niche width of a brackish water submerged aquatic vegetation under current environmental conditions and projected influences of climate change
J Kotta, T Möller, H Orav-Kotta, M Pärnoja
Marine environmental research 102, 88-101, 2014
352014
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