Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem
Inflows of coloured terrestrial organic matter cause seawater browning and reduced phytoplankton production in subarctic coastal ecosystems, potentially deteriorating the nutritional quality of marine food webs. We analyzed the fatty-acid (FA) compositions of seston and the zooplankton taxa Eurytemo...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Canadian Science Publishing
2022
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Online Access: | http://dx.doi.org/10.1139/cjfas-2021-0118 https://cdnsciencepub.com/doi/full-xml/10.1139/cjfas-2021-0118 https://cdnsciencepub.com/doi/pdf/10.1139/cjfas-2021-0118 |
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crcansciencepubl:10.1139/cjfas-2021-0118 2024-05-12T08:11:42+00:00 Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem Bandara, Tharindu Brugel, Sonia Andersson, Agneta Lau, Danny Chun Pong 2022 http://dx.doi.org/10.1139/cjfas-2021-0118 https://cdnsciencepub.com/doi/full-xml/10.1139/cjfas-2021-0118 https://cdnsciencepub.com/doi/pdf/10.1139/cjfas-2021-0118 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 79, issue 8, page 1291-1301 ISSN 0706-652X 1205-7533 Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 2022 crcansciencepubl https://doi.org/10.1139/cjfas-2021-0118 2024-04-18T06:54:48Z Inflows of coloured terrestrial organic matter cause seawater browning and reduced phytoplankton production in subarctic coastal ecosystems, potentially deteriorating the nutritional quality of marine food webs. We analyzed the fatty-acid (FA) compositions of seston and the zooplankton taxa Eurytemora affinis and cladocerans at three locations of the northern Baltic Sea. At the coastal and northerly locations, salinity and phosphorus concentrations were low, while concentrations of humic substances (i.e., terrestrial organic matter) were high. The southerly location showed the opposite trend. The ratio between alga-specific ω3 polyunsaturated FA and terrigenous monounsaturated FA (MUFA) in Eurytemora decreased from south to north, as did the ratio between the alga-specific docosahexaenoic acid (DHA) and terrigenous MUFA in cladocerans. With increasing humic substances, the biomass of DHA-rich phytoplankton decreased and the zooplankton MUFA content increased. Our results indicate that coloured terrestrial organic matter alters the phytoplankton composition, consequently affecting the zooplankton nutritional quality. Article in Journal/Newspaper Subarctic Canadian Science Publishing Browning ENVELOPE(164.050,164.050,-74.617,-74.617) Canadian Journal of Fisheries and Aquatic Sciences |
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Open Polar |
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Canadian Science Publishing |
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crcansciencepubl |
language |
English |
topic |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Aquatic Science Ecology, Evolution, Behavior and Systematics Bandara, Tharindu Brugel, Sonia Andersson, Agneta Lau, Danny Chun Pong Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
topic_facet |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Inflows of coloured terrestrial organic matter cause seawater browning and reduced phytoplankton production in subarctic coastal ecosystems, potentially deteriorating the nutritional quality of marine food webs. We analyzed the fatty-acid (FA) compositions of seston and the zooplankton taxa Eurytemora affinis and cladocerans at three locations of the northern Baltic Sea. At the coastal and northerly locations, salinity and phosphorus concentrations were low, while concentrations of humic substances (i.e., terrestrial organic matter) were high. The southerly location showed the opposite trend. The ratio between alga-specific ω3 polyunsaturated FA and terrigenous monounsaturated FA (MUFA) in Eurytemora decreased from south to north, as did the ratio between the alga-specific docosahexaenoic acid (DHA) and terrigenous MUFA in cladocerans. With increasing humic substances, the biomass of DHA-rich phytoplankton decreased and the zooplankton MUFA content increased. Our results indicate that coloured terrestrial organic matter alters the phytoplankton composition, consequently affecting the zooplankton nutritional quality. |
format |
Article in Journal/Newspaper |
author |
Bandara, Tharindu Brugel, Sonia Andersson, Agneta Lau, Danny Chun Pong |
author_facet |
Bandara, Tharindu Brugel, Sonia Andersson, Agneta Lau, Danny Chun Pong |
author_sort |
Bandara, Tharindu |
title |
Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
title_short |
Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
title_full |
Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
title_fullStr |
Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
title_full_unstemmed |
Seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
title_sort |
seawater browning alters community composition and reduces nutritional quality of plankton in a subarctic marine ecosystem |
publisher |
Canadian Science Publishing |
publishDate |
2022 |
url |
http://dx.doi.org/10.1139/cjfas-2021-0118 https://cdnsciencepub.com/doi/full-xml/10.1139/cjfas-2021-0118 https://cdnsciencepub.com/doi/pdf/10.1139/cjfas-2021-0118 |
long_lat |
ENVELOPE(164.050,164.050,-74.617,-74.617) |
geographic |
Browning |
geographic_facet |
Browning |
genre |
Subarctic |
genre_facet |
Subarctic |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 79, issue 8, page 1291-1301 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/cjfas-2021-0118 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
_version_ |
1798833892333977600 |