Spatial distribution of benthic macrofauna in the Central Arctic Ocean
Permanent sea-ice cover and low primary productivity in the mostly ice-covered Central Arctic ocean basins result in significantly lower biomass and density of macrobenthos in the abyssal plains compared to the continental slopes. However, little is known on bathymetric and regional effects on the m...
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ftawi:oai:epic.awi.de:48964 2024-09-15T17:51:04+00:00 Spatial distribution of benthic macrofauna in the Central Arctic Ocean Vedenin, Andrey Gusky, Manuela Gebruk, Andrey Kremenetskaya, A. Rybakova, E. Boetius, Antje 2018 https://epic.awi.de/id/eprint/48964/ https://hdl.handle.net/10013/epic.8d552bbe-560c-41f3-ad57-d9d9fc1ab161 unknown PUBLIC LIBRARY SCIENCE Vedenin, A. , Gusky, M. , Gebruk, A. , Kremenetskaya, A. , Rybakova, E. and Boetius, A. orcid:0000-0003-2117-4176 (2018) Spatial distribution of benthic macrofauna in the Central Arctic Ocean , PLoS ONE, 13(10) (e02001) . doi:10.1371/journal.pone.0200121 <https://doi.org/10.1371/journal.pone.0200121> , hdl:10013/epic.8d552bbe-560c-41f3-ad57-d9d9fc1ab161 EPIC3PLoS ONE, PUBLIC LIBRARY SCIENCE, 13(10)(e02001), ISSN: 1932-6203 Article isiRev 2018 ftawi https://doi.org/10.1371/journal.pone.0200121 2024-06-24T04:21:00Z Permanent sea-ice cover and low primary productivity in the mostly ice-covered Central Arctic ocean basins result in significantly lower biomass and density of macrobenthos in the abyssal plains compared to the continental slopes. However, little is known on bathymetric and regional effects on the macrobenthos diversity. This study synthesizes new and available macrobenthos data to provide a baseline for future studies of the effects of Arctic change on macrofauna community composition in the Arctic basins. Samples collected during three expeditions (in 1993, 2012 and 2015) at 37 stations on the slope of the Barents and Laptev Seas and in the abyssal of the Nansen and Amundsen Basins in the depth range from 38 m to 4381 m were used for a quantitative analysis of species composition, abundance and biomass. Benthic communities clustered in five depth ranges across the slope and basin. A parabolic pattern of species diversity change with depth was found, with the diversity maximum for macrofauna at the shelf edge at depths of 100–300 m. This deviates from the typical species richness peak at mid-slope depths of 1500–3000 m in temperate oceans. Due to the limited availability of standardized benthos data, it remains difficult to assess if and how the significant sea-ice loss observed in the past decade has affected benthic community composition. The polychaete Ymerana pteropoda and the bryozoan Nolella sp. were found for the first time in the deep Nansen and Amundsen Basins. Article in Journal/Newspaper Arctic Arctic Ocean laptev Sea ice Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) PLOS ONE 13 10 e0200121 |
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Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
language |
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description |
Permanent sea-ice cover and low primary productivity in the mostly ice-covered Central Arctic ocean basins result in significantly lower biomass and density of macrobenthos in the abyssal plains compared to the continental slopes. However, little is known on bathymetric and regional effects on the macrobenthos diversity. This study synthesizes new and available macrobenthos data to provide a baseline for future studies of the effects of Arctic change on macrofauna community composition in the Arctic basins. Samples collected during three expeditions (in 1993, 2012 and 2015) at 37 stations on the slope of the Barents and Laptev Seas and in the abyssal of the Nansen and Amundsen Basins in the depth range from 38 m to 4381 m were used for a quantitative analysis of species composition, abundance and biomass. Benthic communities clustered in five depth ranges across the slope and basin. A parabolic pattern of species diversity change with depth was found, with the diversity maximum for macrofauna at the shelf edge at depths of 100–300 m. This deviates from the typical species richness peak at mid-slope depths of 1500–3000 m in temperate oceans. Due to the limited availability of standardized benthos data, it remains difficult to assess if and how the significant sea-ice loss observed in the past decade has affected benthic community composition. The polychaete Ymerana pteropoda and the bryozoan Nolella sp. were found for the first time in the deep Nansen and Amundsen Basins. |
format |
Article in Journal/Newspaper |
author |
Vedenin, Andrey Gusky, Manuela Gebruk, Andrey Kremenetskaya, A. Rybakova, E. Boetius, Antje |
spellingShingle |
Vedenin, Andrey Gusky, Manuela Gebruk, Andrey Kremenetskaya, A. Rybakova, E. Boetius, Antje Spatial distribution of benthic macrofauna in the Central Arctic Ocean |
author_facet |
Vedenin, Andrey Gusky, Manuela Gebruk, Andrey Kremenetskaya, A. Rybakova, E. Boetius, Antje |
author_sort |
Vedenin, Andrey |
title |
Spatial distribution of benthic macrofauna in the Central Arctic Ocean |
title_short |
Spatial distribution of benthic macrofauna in the Central Arctic Ocean |
title_full |
Spatial distribution of benthic macrofauna in the Central Arctic Ocean |
title_fullStr |
Spatial distribution of benthic macrofauna in the Central Arctic Ocean |
title_full_unstemmed |
Spatial distribution of benthic macrofauna in the Central Arctic Ocean |
title_sort |
spatial distribution of benthic macrofauna in the central arctic ocean |
publisher |
PUBLIC LIBRARY SCIENCE |
publishDate |
2018 |
url |
https://epic.awi.de/id/eprint/48964/ https://hdl.handle.net/10013/epic.8d552bbe-560c-41f3-ad57-d9d9fc1ab161 |
genre |
Arctic Arctic Ocean laptev Sea ice |
genre_facet |
Arctic Arctic Ocean laptev Sea ice |
op_source |
EPIC3PLoS ONE, PUBLIC LIBRARY SCIENCE, 13(10)(e02001), ISSN: 1932-6203 |
op_relation |
Vedenin, A. , Gusky, M. , Gebruk, A. , Kremenetskaya, A. , Rybakova, E. and Boetius, A. orcid:0000-0003-2117-4176 (2018) Spatial distribution of benthic macrofauna in the Central Arctic Ocean , PLoS ONE, 13(10) (e02001) . doi:10.1371/journal.pone.0200121 <https://doi.org/10.1371/journal.pone.0200121> , hdl:10013/epic.8d552bbe-560c-41f3-ad57-d9d9fc1ab161 |
op_doi |
https://doi.org/10.1371/journal.pone.0200121 |
container_title |
PLOS ONE |
container_volume |
13 |
container_issue |
10 |
container_start_page |
e0200121 |
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1810292883651035136 |