Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches
Phyto- and zooplankton in Arctic and sub-Arctic seas show very strong seasonal changes in diversity and biomass. Here we document the seasonal variability in the mesozooplankton community structure in a sub-Arctic fjord in Northern Norway based on monthly sampling between November 2018 and February...
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ftimr:oai:imr.brage.unit.no:11250/2829250 2023-05-15T14:51:55+02:00 Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches Coguiec, Estelle Ershova, Elizaveta Daase, Malin Vonnahme, Tobias R. Wangensteen, Owen S. Gradinger, Rolf Præbel, Kim Berge, Jørgen 2021 application/pdf https://hdl.handle.net/11250/2829250 https://doi.org/10.3389/fmars.2021.705042 eng eng Norges forskningsråd: 299554 Norges forskningsråd: 244319 Norges forskningsråd: 300333 Norges forskningsråd: 223254 Frontiers in Marine Science. 2021, 8 . urn:issn:2296-7745 https://hdl.handle.net/11250/2829250 https://doi.org/10.3389/fmars.2021.705042 cristin:1926330 26 8 Frontiers in Marine Science Peer reviewed Journal article 2021 ftimr https://doi.org/10.3389/fmars.2021.705042 2021-11-17T23:36:51Z Phyto- and zooplankton in Arctic and sub-Arctic seas show very strong seasonal changes in diversity and biomass. Here we document the seasonal variability in the mesozooplankton community structure in a sub-Arctic fjord in Northern Norway based on monthly sampling between November 2018 and February 2020. We combined traditional morphological zooplankton identification with DNA metabarcoding of a 313 base pair fragment of the COI gene. This approach allowed us to provide the most detailed mesozooplankton species list known for this region across an entire year, including both holo- and meroplankton. The zooplankton community was dominated by small copepods throughout the sampling period both in terms of abundance and relative sequence counts. However, meroplankton was the most diverse group, especially within the phylum polychaeta. We identified four distinct periods based on the seasonal analysis of the zooplankton community composition. The pre-spring bloom period (February–March) was characterized by low abundance and biomass of zooplankton. The spring bloom (April) was characterized by the presence of Calanus young stages, cirripedia and krill eggs. The spring-summer period (May–August) was characterized by a succession of meroplankton and a relatively high abundance of copepods of the genus Calanus spp. Finally, the autumn-winter period (September–December) was characterized by a high copepod diversity and a peak in abundance of small copepods (e.g., Oithona similis, Acartia longiremis, Pseudocalanus acuspes, Pseudocalanus elongatus, Pseudocalanus moultoni, Pseudocalanus minutus). During this period, we also observed an influx of boreal warm-water species which were notably absent during the rest of the year. Both the traditional community analysis and metabarcoding were highly complementary and with a few exceptions showed similar trends in the seasonal changes of the zooplankton community structure. publishedVersion Article in Journal/Newspaper Arctic Northern Norway Pseudocalanus minutus Zooplankton Copepods Institute for Marine Research: Brage IMR Arctic Norway Holo ENVELOPE(9.954,9.954,63.343,63.343) Frontiers in Marine Science 8 |
institution |
Open Polar |
collection |
Institute for Marine Research: Brage IMR |
op_collection_id |
ftimr |
language |
English |
description |
Phyto- and zooplankton in Arctic and sub-Arctic seas show very strong seasonal changes in diversity and biomass. Here we document the seasonal variability in the mesozooplankton community structure in a sub-Arctic fjord in Northern Norway based on monthly sampling between November 2018 and February 2020. We combined traditional morphological zooplankton identification with DNA metabarcoding of a 313 base pair fragment of the COI gene. This approach allowed us to provide the most detailed mesozooplankton species list known for this region across an entire year, including both holo- and meroplankton. The zooplankton community was dominated by small copepods throughout the sampling period both in terms of abundance and relative sequence counts. However, meroplankton was the most diverse group, especially within the phylum polychaeta. We identified four distinct periods based on the seasonal analysis of the zooplankton community composition. The pre-spring bloom period (February–March) was characterized by low abundance and biomass of zooplankton. The spring bloom (April) was characterized by the presence of Calanus young stages, cirripedia and krill eggs. The spring-summer period (May–August) was characterized by a succession of meroplankton and a relatively high abundance of copepods of the genus Calanus spp. Finally, the autumn-winter period (September–December) was characterized by a high copepod diversity and a peak in abundance of small copepods (e.g., Oithona similis, Acartia longiremis, Pseudocalanus acuspes, Pseudocalanus elongatus, Pseudocalanus moultoni, Pseudocalanus minutus). During this period, we also observed an influx of boreal warm-water species which were notably absent during the rest of the year. Both the traditional community analysis and metabarcoding were highly complementary and with a few exceptions showed similar trends in the seasonal changes of the zooplankton community structure. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Coguiec, Estelle Ershova, Elizaveta Daase, Malin Vonnahme, Tobias R. Wangensteen, Owen S. Gradinger, Rolf Præbel, Kim Berge, Jørgen |
spellingShingle |
Coguiec, Estelle Ershova, Elizaveta Daase, Malin Vonnahme, Tobias R. Wangensteen, Owen S. Gradinger, Rolf Præbel, Kim Berge, Jørgen Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches |
author_facet |
Coguiec, Estelle Ershova, Elizaveta Daase, Malin Vonnahme, Tobias R. Wangensteen, Owen S. Gradinger, Rolf Præbel, Kim Berge, Jørgen |
author_sort |
Coguiec, Estelle |
title |
Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches |
title_short |
Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches |
title_full |
Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches |
title_fullStr |
Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches |
title_full_unstemmed |
Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches |
title_sort |
seasonal variability in the zooplankton community structure in a sub-arctic fjord as revealed by morphological and molecular approaches |
publishDate |
2021 |
url |
https://hdl.handle.net/11250/2829250 https://doi.org/10.3389/fmars.2021.705042 |
long_lat |
ENVELOPE(9.954,9.954,63.343,63.343) |
geographic |
Arctic Norway Holo |
geographic_facet |
Arctic Norway Holo |
genre |
Arctic Northern Norway Pseudocalanus minutus Zooplankton Copepods |
genre_facet |
Arctic Northern Norway Pseudocalanus minutus Zooplankton Copepods |
op_source |
26 8 Frontiers in Marine Science |
op_relation |
Norges forskningsråd: 299554 Norges forskningsråd: 244319 Norges forskningsråd: 300333 Norges forskningsråd: 223254 Frontiers in Marine Science. 2021, 8 . urn:issn:2296-7745 https://hdl.handle.net/11250/2829250 https://doi.org/10.3389/fmars.2021.705042 cristin:1926330 |
op_doi |
https://doi.org/10.3389/fmars.2021.705042 |
container_title |
Frontiers in Marine Science |
container_volume |
8 |
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1766323060949909504 |