Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs
Abstract Understanding marine ecosystem structure and functioning is crucial in supporting sustainable management of natural resources and monitoring the health of marine ecosystems. The current study utilized stable isotope (SI) mixing models and trophic position models to examine energy flow, trop...
Published in: | Limnology and Oceanography |
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Online Access: | http://dx.doi.org/10.1002/lno.11413 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Flno.11413 https://onlinelibrary.wiley.com/doi/pdf/10.1002/lno.11413 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/lno.11413 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.1002/lno.11413 |
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crwiley:10.1002/lno.11413 2024-06-23T07:56:21+00:00 Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs Kiljunen, Mikko Peltonen, Heikki Lehtiniemi, Maiju Uusitalo, Laura Sinisalo, Tuula Norkko, Joanna Kunnasranta, Mervi Torniainen, Jyrki Rissanen, Antti J. Karjalainen, Juha 2020 http://dx.doi.org/10.1002/lno.11413 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Flno.11413 https://onlinelibrary.wiley.com/doi/pdf/10.1002/lno.11413 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/lno.11413 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.1002/lno.11413 en eng Wiley http://creativecommons.org/licenses/by/4.0/ Limnology and Oceanography volume 65, issue 8, page 1706-1722 ISSN 0024-3590 1939-5590 journal-article 2020 crwiley https://doi.org/10.1002/lno.11413 2024-05-31T08:14:52Z Abstract Understanding marine ecosystem structure and functioning is crucial in supporting sustainable management of natural resources and monitoring the health of marine ecosystems. The current study utilized stable isotope (SI) mixing models and trophic position models to examine energy flow, trophic relationships, and benthic‐pelagic coupling between food web components. Roughly 1900 samples from different trophic levels in the food web, collected during 2001–2010 from four northern and central sub‐basins of the Baltic Sea, were analyzed for SI ratios of carbon and nitrogen. Trophic structure of the food webs among the sub‐basins was consistent, but there were differences between the proportions of energy in different trophic levels that had originated from the benthic habitat. Mysids and amphipods served as important links between the benthic and pelagic ecosystems. Much (35–65%) of their energy originated from the benthic zone but was transferred to higher trophic levels in the pelagic food web by consumption by herring ( Clupea harengus ). One percent to twenty‐four percent of the energy consumption of apex seal predators ( Halichoerus grypus and Pusa hispida ) and predatory fish ( Salmo salar ) was derived from benthic zone. Diets of mysids and amphipods differed, although some overlap in their dietary niches was observed. The food web in the Gulf of Finland was more influenced by the benthic subsystem than food webs in the other sub‐basins. The baseline levels of δ 13 C and δ 15 N differed between sub‐basins of the Baltic Sea, indicating differences in the input of organic matter and nutrients to each sub‐basin. Article in Journal/Newspaper Pusa hispida Salmo salar Wiley Online Library Limnology and Oceanography 65 8 1706 1722 |
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Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Understanding marine ecosystem structure and functioning is crucial in supporting sustainable management of natural resources and monitoring the health of marine ecosystems. The current study utilized stable isotope (SI) mixing models and trophic position models to examine energy flow, trophic relationships, and benthic‐pelagic coupling between food web components. Roughly 1900 samples from different trophic levels in the food web, collected during 2001–2010 from four northern and central sub‐basins of the Baltic Sea, were analyzed for SI ratios of carbon and nitrogen. Trophic structure of the food webs among the sub‐basins was consistent, but there were differences between the proportions of energy in different trophic levels that had originated from the benthic habitat. Mysids and amphipods served as important links between the benthic and pelagic ecosystems. Much (35–65%) of their energy originated from the benthic zone but was transferred to higher trophic levels in the pelagic food web by consumption by herring ( Clupea harengus ). One percent to twenty‐four percent of the energy consumption of apex seal predators ( Halichoerus grypus and Pusa hispida ) and predatory fish ( Salmo salar ) was derived from benthic zone. Diets of mysids and amphipods differed, although some overlap in their dietary niches was observed. The food web in the Gulf of Finland was more influenced by the benthic subsystem than food webs in the other sub‐basins. The baseline levels of δ 13 C and δ 15 N differed between sub‐basins of the Baltic Sea, indicating differences in the input of organic matter and nutrients to each sub‐basin. |
format |
Article in Journal/Newspaper |
author |
Kiljunen, Mikko Peltonen, Heikki Lehtiniemi, Maiju Uusitalo, Laura Sinisalo, Tuula Norkko, Joanna Kunnasranta, Mervi Torniainen, Jyrki Rissanen, Antti J. Karjalainen, Juha |
spellingShingle |
Kiljunen, Mikko Peltonen, Heikki Lehtiniemi, Maiju Uusitalo, Laura Sinisalo, Tuula Norkko, Joanna Kunnasranta, Mervi Torniainen, Jyrki Rissanen, Antti J. Karjalainen, Juha Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs |
author_facet |
Kiljunen, Mikko Peltonen, Heikki Lehtiniemi, Maiju Uusitalo, Laura Sinisalo, Tuula Norkko, Joanna Kunnasranta, Mervi Torniainen, Jyrki Rissanen, Antti J. Karjalainen, Juha |
author_sort |
Kiljunen, Mikko |
title |
Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs |
title_short |
Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs |
title_full |
Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs |
title_fullStr |
Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs |
title_full_unstemmed |
Benthic‐pelagic coupling and trophic relationships in northern Baltic Sea food webs |
title_sort |
benthic‐pelagic coupling and trophic relationships in northern baltic sea food webs |
publisher |
Wiley |
publishDate |
2020 |
url |
http://dx.doi.org/10.1002/lno.11413 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Flno.11413 https://onlinelibrary.wiley.com/doi/pdf/10.1002/lno.11413 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/lno.11413 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.1002/lno.11413 |
genre |
Pusa hispida Salmo salar |
genre_facet |
Pusa hispida Salmo salar |
op_source |
Limnology and Oceanography volume 65, issue 8, page 1706-1722 ISSN 0024-3590 1939-5590 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1002/lno.11413 |
container_title |
Limnology and Oceanography |
container_volume |
65 |
container_issue |
8 |
container_start_page |
1706 |
op_container_end_page |
1722 |
_version_ |
1802649377309720576 |