Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales
The predation risk of many aquatic taxa is dominated by visually searching predators, commonly a function of ambient light. Several studies propose that changes in visual predation will become a major climate-change impact on polar marine ecosystems. The high Arctic experiences extreme seasonality i...
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The Royal Society
2021
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ftdatacite:10.6084/m9.figshare.14035971 2023-05-15T14:58:43+02:00 Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales Hobbs, Laura Banas, Neil S. Cohen, Jonathan H. Finlo R. Cottier Berge, Jørgen Varpe, Øystein 2021 https://dx.doi.org/10.6084/m9.figshare.14035971 https://rs.figshare.com/articles/journal_contribution/Supplementary_methods_and_figures_from_A_marine_zooplankton_community_vertically_structured_by_light_across_diel_to_interannual_timescales/14035971 unknown The Royal Society https://dx.doi.org/10.1098/rsbl.2020.0810 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY Environmental Science Ecology FOS Biological sciences 60801 Animal Behaviour Text article-journal Journal contribution ScholarlyArticle 2021 ftdatacite https://doi.org/10.6084/m9.figshare.14035971 https://doi.org/10.1098/rsbl.2020.0810 2021-11-05T12:55:41Z The predation risk of many aquatic taxa is dominated by visually searching predators, commonly a function of ambient light. Several studies propose that changes in visual predation will become a major climate-change impact on polar marine ecosystems. The high Arctic experiences extreme seasonality in the light environment, from 24-h light to 24-h darkness, and therefore provides a natural laboratory for studying light and predation risk over diel to seasonal timescales. Here, we show that zooplankton (observed using acoustics) in an Arctic fjord position themselves vertically in relation to light. A single isolume (depth-varying line of constant light intensity, the value of which is set at the lower limit of photobehaviour reponses of Calanus spp. and krill.) forms a ceiling on zooplankton distribution. The vertical distribution is structured by light across timescales, from the deepening of zooplankton populations at midday as the sun rises in spring, to the depth to which zooplankton ascend to feed during diel vertical migration. These results suggest that zooplankton might already follow a foraging strategy that will keep visual predation risk roughly constant under changing light conditions, such as those caused by the reduction of sea ice, but likely with energetic costs such as lost feeding opportunities due to altered habitat use. Text Arctic Climate change Sea ice Zooplankton DataCite Metadata Store (German National Library of Science and Technology) Arctic |
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topic |
Environmental Science Ecology FOS Biological sciences 60801 Animal Behaviour |
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Environmental Science Ecology FOS Biological sciences 60801 Animal Behaviour Hobbs, Laura Banas, Neil S. Cohen, Jonathan H. Finlo R. Cottier Berge, Jørgen Varpe, Øystein Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales |
topic_facet |
Environmental Science Ecology FOS Biological sciences 60801 Animal Behaviour |
description |
The predation risk of many aquatic taxa is dominated by visually searching predators, commonly a function of ambient light. Several studies propose that changes in visual predation will become a major climate-change impact on polar marine ecosystems. The high Arctic experiences extreme seasonality in the light environment, from 24-h light to 24-h darkness, and therefore provides a natural laboratory for studying light and predation risk over diel to seasonal timescales. Here, we show that zooplankton (observed using acoustics) in an Arctic fjord position themselves vertically in relation to light. A single isolume (depth-varying line of constant light intensity, the value of which is set at the lower limit of photobehaviour reponses of Calanus spp. and krill.) forms a ceiling on zooplankton distribution. The vertical distribution is structured by light across timescales, from the deepening of zooplankton populations at midday as the sun rises in spring, to the depth to which zooplankton ascend to feed during diel vertical migration. These results suggest that zooplankton might already follow a foraging strategy that will keep visual predation risk roughly constant under changing light conditions, such as those caused by the reduction of sea ice, but likely with energetic costs such as lost feeding opportunities due to altered habitat use. |
format |
Text |
author |
Hobbs, Laura Banas, Neil S. Cohen, Jonathan H. Finlo R. Cottier Berge, Jørgen Varpe, Øystein |
author_facet |
Hobbs, Laura Banas, Neil S. Cohen, Jonathan H. Finlo R. Cottier Berge, Jørgen Varpe, Øystein |
author_sort |
Hobbs, Laura |
title |
Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales |
title_short |
Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales |
title_full |
Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales |
title_fullStr |
Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales |
title_full_unstemmed |
Supplementary methods and figures from A marine zooplankton community vertically structured by light across diel to interannual timescales |
title_sort |
supplementary methods and figures from a marine zooplankton community vertically structured by light across diel to interannual timescales |
publisher |
The Royal Society |
publishDate |
2021 |
url |
https://dx.doi.org/10.6084/m9.figshare.14035971 https://rs.figshare.com/articles/journal_contribution/Supplementary_methods_and_figures_from_A_marine_zooplankton_community_vertically_structured_by_light_across_diel_to_interannual_timescales/14035971 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change Sea ice Zooplankton |
genre_facet |
Arctic Climate change Sea ice Zooplankton |
op_relation |
https://dx.doi.org/10.1098/rsbl.2020.0810 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.14035971 https://doi.org/10.1098/rsbl.2020.0810 |
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1766330837268168704 |