H
Henrik Nygård
Researcher at Finnish Environment Institute
Publications - 29
Citations - 916
Henrik Nygård is an academic researcher from Finnish Environment Institute. The author has contributed to research in topics: Marine Strategy Framework Directive & Arctic. The author has an hindex of 15, co-authored 29 publications receiving 750 citations. Previous affiliations of Henrik Nygård include University Centre in Svalbard & Norwegian College of Fishery Science.
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Journal ArticleDOI
Diel vertical migration of Arctic zooplankton during the polar night
Jørgen Berge,Finlo Cottier,Øystein Varpe,Eva Leu,Janne E. Søreide,Ketil Eiane,Stig Falk-Petersen,Kate J Willis,Henrik Nygård,Daniel Vogedes,Collin Griffiths,Geir Johnsen,Dag Arne Lorentzen,Andrew S. Brierley +13 more
TL;DR: It is argued that even during the polar night, DVM is regulated by diel variations in solar and lunar illumination, which are at intensities far below the threshold of human perception, which suggests that the biologically mediated vertical flux of carbon will increase if there is a continued retreat of the Arctic winter sea ice cover.
Journal ArticleDOI
Vertical migration in high Arctic waters during autumn 2004
Stig Falk-Petersen,Stig Falk-Petersen,Eva Leu,Jørgen Berge,Slawomir Kwasniewski,Henrik Nygård,Henrik Nygård,Anders Røstad,Essi Keskinen,Jonas Thormar,Cecilie von Quillfeldt,Anette Wold,Bjørn Gulliksen,Bjørn Gulliksen +13 more
TL;DR: The diel vertical migration (DVM) of zooplankton and pelagic fish in the southern Arctic Ocean (82°N) and in Rijpfjorden (Svalbard, Nordaustlandet, 80°N), was investigated in autumn 2004, when there were distinct differences in light conditions between day and night as mentioned in this paper.
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Potential misidentifications of two climate indicator species of the marine arctic ecosystem: Calanus glacialis and C. finmarchicus
Tove M. Gabrielsen,Benjamin Merkel,Janne E. Søreide,Emma Johansson-Karlsson,Allison Bailey,Daniel Vogedes,Henrik Nygård,Øystein Varpe,Øystein Varpe,Jørgen Berge,Jørgen Berge +10 more
TL;DR: Using the traditional morphological species delimitation poses a serious problem in the use of these two species as indicators of Atlantic versus Arctic water masses and thus as climatic indicators, and obscures the understanding of the life history differences between the two species.
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The Baltic Sea scale inventory of benthic faunal communities
Mayya Gogina,Henrik Nygård,Mats Blomqvist,Darius Daunys,Alf B. Josefson,Jonne Kotta,A. A. Maximov,Jan Warzocha,Vadim Yermakov,Ulf Gräwe,Michael L. Zettler +10 more
TL;DR: Gogina et al. as discussed by the authors proposed a method for the detection of sea turtles in the waters of the Baltic Sea, which is based on the work of Henrik Nygard and Mats Blomqvist.
Journal ArticleDOI
Seasonality of occurrence and recruitment of Arctic marine benthic invertebrate larvae in relation to environmental variables
Piotr Kuklinski,Piotr Kuklinski,Jørgen Berge,Laurel McFadden,Katarzyna Dmoch,Marek Zajaczkowski,Henrik Nygård,Kasia Piwosz,Agnieszka Tatarek +8 more
TL;DR: A 1-year study of meroplankton seasonal variability from a fjordic system in the Arctic Archipelago of Svalbard indicates individual trade-offs related to timing of reproduction and competition and suggests that these larvae are not relying on higher summer nutrient concentrations, but instead are dependent on alternative food sources.