Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake
Abstract – Seasonal variation in light intensity has strong impacts on invertebrate and vertebrate habitat selection creating trade‐offs between foraging gain and risk of death. Diel vertical migration (DVM) has received a particularly interest, but multitrophic level studies in lakes under polar li...
Published in: | Ecology of Freshwater Fish |
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crwiley:10.1111/j.1600-0633.2009.00363.x 2024-03-24T09:05:26+00:00 Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake Kahilainen, K. K. Malinen, T. Lehtonen, H. 2009 http://dx.doi.org/10.1111/j.1600-0633.2009.00363.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2009.00363.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2009.00363.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ecology of Freshwater Fish volume 18, issue 3, page 481-490 ISSN 0906-6691 1600-0633 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 2009 crwiley https://doi.org/10.1111/j.1600-0633.2009.00363.x 2024-02-28T02:13:49Z Abstract – Seasonal variation in light intensity has strong impacts on invertebrate and vertebrate habitat selection creating trade‐offs between foraging gain and risk of death. Diel vertical migration (DVM) has received a particularly interest, but multitrophic level studies in lakes under polar light regime have not been conducted. Here, we examined habitat selection of pelagic zooplankton, planktivores and piscivores in subarctic Lake Muddusjärvi with polymorphic whitefish ( Coregonus lavaretus (L.)). Seasonal change in light was hypothesized to be the most important abiotic factor inducing DVM, whereas predation was considered as an ultimate biotic factor. During period of mid‐night sun in June, no DVM was observed at any trophic level, whereas during normal day and night light in September planktivores and zooplankton migrated. DVM was top‐down controlled, where piscivorous brown trout ( Salmo trutta L.) used pelagic habitat continuously inducing DVM of its main prey, pelagic whitefish morph, which cascaded to reverse DVM of zooplankton. Top‐down control of lower trophic level DVMs by piscivores might be more general pattern in lakes than previously considered. Article in Journal/Newspaper Subarctic Wiley Online Library Muddusjärvi ENVELOPE(26.800,26.800,69.000,69.000) Ecology of Freshwater Fish 18 3 481 490 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Kahilainen, K. K. Malinen, T. Lehtonen, H. Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Abstract – Seasonal variation in light intensity has strong impacts on invertebrate and vertebrate habitat selection creating trade‐offs between foraging gain and risk of death. Diel vertical migration (DVM) has received a particularly interest, but multitrophic level studies in lakes under polar light regime have not been conducted. Here, we examined habitat selection of pelagic zooplankton, planktivores and piscivores in subarctic Lake Muddusjärvi with polymorphic whitefish ( Coregonus lavaretus (L.)). Seasonal change in light was hypothesized to be the most important abiotic factor inducing DVM, whereas predation was considered as an ultimate biotic factor. During period of mid‐night sun in June, no DVM was observed at any trophic level, whereas during normal day and night light in September planktivores and zooplankton migrated. DVM was top‐down controlled, where piscivorous brown trout ( Salmo trutta L.) used pelagic habitat continuously inducing DVM of its main prey, pelagic whitefish morph, which cascaded to reverse DVM of zooplankton. Top‐down control of lower trophic level DVMs by piscivores might be more general pattern in lakes than previously considered. |
format |
Article in Journal/Newspaper |
author |
Kahilainen, K. K. Malinen, T. Lehtonen, H. |
author_facet |
Kahilainen, K. K. Malinen, T. Lehtonen, H. |
author_sort |
Kahilainen, K. K. |
title |
Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
title_short |
Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
title_full |
Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
title_fullStr |
Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
title_full_unstemmed |
Polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
title_sort |
polar light regime and piscivory govern diel vertical migrations of planktivorous fish and zooplankton in a subarctic lake |
publisher |
Wiley |
publishDate |
2009 |
url |
http://dx.doi.org/10.1111/j.1600-0633.2009.00363.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2009.00363.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2009.00363.x |
long_lat |
ENVELOPE(26.800,26.800,69.000,69.000) |
geographic |
Muddusjärvi |
geographic_facet |
Muddusjärvi |
genre |
Subarctic |
genre_facet |
Subarctic |
op_source |
Ecology of Freshwater Fish volume 18, issue 3, page 481-490 ISSN 0906-6691 1600-0633 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1600-0633.2009.00363.x |
container_title |
Ecology of Freshwater Fish |
container_volume |
18 |
container_issue |
3 |
container_start_page |
481 |
op_container_end_page |
490 |
_version_ |
1794407160475549696 |