Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx
Climate change is threatening marine ecosystems on a global scale but particularly so in the Arctic. As a result of warming, species are shifting their distributions, altering marine communities and predator-prey interactions. This is known as the Atlantification of the Arctic. Warming may favor sho...
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ftfrontimediafig:oai:figshare.com:article/25885864 2024-09-15T17:57:42+00:00 Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx Alexey V. Golikov Lis L. Jørgensen Rushan M. Sabirov Denis V. Zakharov Henk-Jan Hoving 2024-05-23T04:28:38Z https://doi.org/10.3389/fmars.2024.1392585.s001 https://figshare.com/articles/dataset/Table_1_Long-term_annual_trawl_data_show_shifts_in_cephalopod_community_in_the_western_Barents_sea_during_18_years_docx/25885864 unknown doi:10.3389/fmars.2024.1392585.s001 https://figshare.com/articles/dataset/Table_1_Long-term_annual_trawl_data_show_shifts_in_cephalopod_community_in_the_western_Barents_sea_during_18_years_docx/25885864 CC BY 4.0 Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering arctic climate change atlantification marine ecosystems monitoring Cephalopoda shelf deep-sea Dataset 2024 ftfrontimediafig https://doi.org/10.3389/fmars.2024.1392585.s001 2024-08-19T06:19:45Z Climate change is threatening marine ecosystems on a global scale but particularly so in the Arctic. As a result of warming, species are shifting their distributions, altering marine communities and predator-prey interactions. This is known as the Atlantification of the Arctic. Warming may favor short-lived, opportunistic species such as cephalopods, marine mollusks that previously have been hypothesized to be winners in an ocean of change. To detect temporal regional trends in biodiversity, long-term annual surveys in hotspots of climate change are an unparalleled source of data. Here, we use 18 years of annual bottom trawl data (2005–2022) to analyse cephalopods in the western Barents Sea. More specifically, our research goals are to assess temporal trends in cephalopod fauna composition, abundance and biomass, and to relate these trends to climate change in the western Barents Sea. Main changes in cephalopod diversity and distribution occurred in mid-2000s and early 2010s, which corresponds with a period of warming in the Arctic since the late 1990s/early 2000s. Repeated increased occurrence of the boreal-subtropical cephalopods was recorded from 2005–2013 to 2014–2022. Moreover, the abundance of cephalopods in the area (in general and for most taxa) increased from 2005–2013 to 2014–2022. These observations suggest that the cephalopod community of the Barents Sea is subjected to Atlantification since the 2005–2013 period. This corresponds with previously reported evidence of the Atlantification in fishes and benthic invertebrates in the Barents Sea and benthic invertebrates. ‘Typical’ Arctic cephalopod species such as Bathypolypus spp., Gonatus fabricii and Rossia spp., however, are still much more abundant in the western Barents Sea compared to the deep-sea and the boreal-subtropical species. We also found indirect indications for body-size reduction in Bathypolypus spp. from 2005–2013 to 2014–2022. Overall, the temporal trends in the Barents Sea cephalopod fauna provide evidence for changing marine ... Dataset Barents Sea Climate change Frontiers: Figshare |
institution |
Open Polar |
collection |
Frontiers: Figshare |
op_collection_id |
ftfrontimediafig |
language |
unknown |
topic |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering arctic climate change atlantification marine ecosystems monitoring Cephalopoda shelf deep-sea |
spellingShingle |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering arctic climate change atlantification marine ecosystems monitoring Cephalopoda shelf deep-sea Alexey V. Golikov Lis L. Jørgensen Rushan M. Sabirov Denis V. Zakharov Henk-Jan Hoving Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx |
topic_facet |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering arctic climate change atlantification marine ecosystems monitoring Cephalopoda shelf deep-sea |
description |
Climate change is threatening marine ecosystems on a global scale but particularly so in the Arctic. As a result of warming, species are shifting their distributions, altering marine communities and predator-prey interactions. This is known as the Atlantification of the Arctic. Warming may favor short-lived, opportunistic species such as cephalopods, marine mollusks that previously have been hypothesized to be winners in an ocean of change. To detect temporal regional trends in biodiversity, long-term annual surveys in hotspots of climate change are an unparalleled source of data. Here, we use 18 years of annual bottom trawl data (2005–2022) to analyse cephalopods in the western Barents Sea. More specifically, our research goals are to assess temporal trends in cephalopod fauna composition, abundance and biomass, and to relate these trends to climate change in the western Barents Sea. Main changes in cephalopod diversity and distribution occurred in mid-2000s and early 2010s, which corresponds with a period of warming in the Arctic since the late 1990s/early 2000s. Repeated increased occurrence of the boreal-subtropical cephalopods was recorded from 2005–2013 to 2014–2022. Moreover, the abundance of cephalopods in the area (in general and for most taxa) increased from 2005–2013 to 2014–2022. These observations suggest that the cephalopod community of the Barents Sea is subjected to Atlantification since the 2005–2013 period. This corresponds with previously reported evidence of the Atlantification in fishes and benthic invertebrates in the Barents Sea and benthic invertebrates. ‘Typical’ Arctic cephalopod species such as Bathypolypus spp., Gonatus fabricii and Rossia spp., however, are still much more abundant in the western Barents Sea compared to the deep-sea and the boreal-subtropical species. We also found indirect indications for body-size reduction in Bathypolypus spp. from 2005–2013 to 2014–2022. Overall, the temporal trends in the Barents Sea cephalopod fauna provide evidence for changing marine ... |
format |
Dataset |
author |
Alexey V. Golikov Lis L. Jørgensen Rushan M. Sabirov Denis V. Zakharov Henk-Jan Hoving |
author_facet |
Alexey V. Golikov Lis L. Jørgensen Rushan M. Sabirov Denis V. Zakharov Henk-Jan Hoving |
author_sort |
Alexey V. Golikov |
title |
Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx |
title_short |
Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx |
title_full |
Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx |
title_fullStr |
Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx |
title_full_unstemmed |
Table_1_Long-term annual trawl data show shifts in cephalopod community in the western Barents sea during 18 years.docx |
title_sort |
table_1_long-term annual trawl data show shifts in cephalopod community in the western barents sea during 18 years.docx |
publishDate |
2024 |
url |
https://doi.org/10.3389/fmars.2024.1392585.s001 https://figshare.com/articles/dataset/Table_1_Long-term_annual_trawl_data_show_shifts_in_cephalopod_community_in_the_western_Barents_sea_during_18_years_docx/25885864 |
genre |
Barents Sea Climate change |
genre_facet |
Barents Sea Climate change |
op_relation |
doi:10.3389/fmars.2024.1392585.s001 https://figshare.com/articles/dataset/Table_1_Long-term_annual_trawl_data_show_shifts_in_cephalopod_community_in_the_western_Barents_sea_during_18_years_docx/25885864 |
op_rights |
CC BY 4.0 |
op_doi |
https://doi.org/10.3389/fmars.2024.1392585.s001 |
_version_ |
1810433853929553920 |