Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic
Apherusa glacialis is a common, sea ice-associated amphipod found throughout the Arctic Ocean and has long been considered permanently associated with the sea ice habitat. However, pelagic occurrences of A. glacialis have also been reported. It was recently suggested that A. glacialis overwinters at...
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Online Access: | https://hdl.handle.net/10037/17315 https://doi.org/10.1093/plankt/fbz072 |
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ftunivtroemsoe:oai:munin.uit.no:10037/17315 2023-05-15T14:23:16+02:00 Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic Kunisch, Erin Bluhm, Bodil Daase, Malin Gradinger, Rolf Hop, Haakon Melnikov, Igor A. Øystein, Varpe Berge, Jørgen 2020-01-10 https://hdl.handle.net/10037/17315 https://doi.org/10.1093/plankt/fbz072 eng eng Oxford University Press Journal of Plankton Research info:eu-repo/grantAgreement/RCN/POLARPROG/244319/Norway/Arctic Ocean ecosystems - Applied technology, Biological interactions and Consequences in an era of abrupt climate change// Kunisch, Bluhm, Daase, Gradinger, Hop, Melnikov, Øystein, Berge. Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic. Journal of Plankton Research. 2020 FRIDAID 1790224 doi:10.1093/plankt/fbz072 0142-7873 1464-3774 https://hdl.handle.net/10037/17315 openAccess Copyright 2020 The Author(s) VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 Journal article Tidsskriftartikkel Peer reviewed publishedVersion 2020 ftunivtroemsoe https://doi.org/10.1093/plankt/fbz072 2021-06-25T17:57:13Z Apherusa glacialis is a common, sea ice-associated amphipod found throughout the Arctic Ocean and has long been considered permanently associated with the sea ice habitat. However, pelagic occurrences of A. glacialis have also been reported. It was recently suggested that A. glacialis overwinters at depth within the Atlantic-water inflow near Svalbard, to avoid being exported out of the Arctic Ocean through the Fram Strait. This study collated pelagic occurrence records over a 71-year period and found that A. glacialis was consistently found away from its presumed sea ice habitat on a pan-Arctic scale, in different depths and water masses. In the Svalbard region, A. glacialis was found in Atlantic Water both in winter and summer. Additionally, we analyzed A. glacialis size distributions throughout the year, collected mostly from sea ice, in order to elucidate potential life cycle strategies. The majority of young-of-the-year A. glacialis was found in the sea ice habitat during spring, supporting previous findings. Data on size distributions and sex ratios suggest a semelparous lifestyle. A synchronous seasonal vertical migration was not evident, but our data imply a more complex life history than previously assumed. We provide evidence that A. glacialis can no longer be regarded as an autochthonous sympagic species. Article in Journal/Newspaper Arctic Arctic Arctic Ocean Fram Strait Sea ice Svalbard University of Tromsø: Munin Open Research Archive Arctic Arctic Ocean Svalbard Journal of Plankton Research 42 1 73 86 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
topic |
VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 |
spellingShingle |
VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 Kunisch, Erin Bluhm, Bodil Daase, Malin Gradinger, Rolf Hop, Haakon Melnikov, Igor A. Øystein, Varpe Berge, Jørgen Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic |
topic_facet |
VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 |
description |
Apherusa glacialis is a common, sea ice-associated amphipod found throughout the Arctic Ocean and has long been considered permanently associated with the sea ice habitat. However, pelagic occurrences of A. glacialis have also been reported. It was recently suggested that A. glacialis overwinters at depth within the Atlantic-water inflow near Svalbard, to avoid being exported out of the Arctic Ocean through the Fram Strait. This study collated pelagic occurrence records over a 71-year period and found that A. glacialis was consistently found away from its presumed sea ice habitat on a pan-Arctic scale, in different depths and water masses. In the Svalbard region, A. glacialis was found in Atlantic Water both in winter and summer. Additionally, we analyzed A. glacialis size distributions throughout the year, collected mostly from sea ice, in order to elucidate potential life cycle strategies. The majority of young-of-the-year A. glacialis was found in the sea ice habitat during spring, supporting previous findings. Data on size distributions and sex ratios suggest a semelparous lifestyle. A synchronous seasonal vertical migration was not evident, but our data imply a more complex life history than previously assumed. We provide evidence that A. glacialis can no longer be regarded as an autochthonous sympagic species. |
format |
Article in Journal/Newspaper |
author |
Kunisch, Erin Bluhm, Bodil Daase, Malin Gradinger, Rolf Hop, Haakon Melnikov, Igor A. Øystein, Varpe Berge, Jørgen |
author_facet |
Kunisch, Erin Bluhm, Bodil Daase, Malin Gradinger, Rolf Hop, Haakon Melnikov, Igor A. Øystein, Varpe Berge, Jørgen |
author_sort |
Kunisch, Erin |
title |
Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic |
title_short |
Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic |
title_full |
Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic |
title_fullStr |
Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic |
title_full_unstemmed |
Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic |
title_sort |
pelagic occurrences of the ice amphipod apherusa glacialis throughout the arctic |
publisher |
Oxford University Press |
publishDate |
2020 |
url |
https://hdl.handle.net/10037/17315 https://doi.org/10.1093/plankt/fbz072 |
geographic |
Arctic Arctic Ocean Svalbard |
geographic_facet |
Arctic Arctic Ocean Svalbard |
genre |
Arctic Arctic Arctic Ocean Fram Strait Sea ice Svalbard |
genre_facet |
Arctic Arctic Arctic Ocean Fram Strait Sea ice Svalbard |
op_relation |
Journal of Plankton Research info:eu-repo/grantAgreement/RCN/POLARPROG/244319/Norway/Arctic Ocean ecosystems - Applied technology, Biological interactions and Consequences in an era of abrupt climate change// Kunisch, Bluhm, Daase, Gradinger, Hop, Melnikov, Øystein, Berge. Pelagic occurrences of the ice amphipod Apherusa glacialis throughout the Arctic. Journal of Plankton Research. 2020 FRIDAID 1790224 doi:10.1093/plankt/fbz072 0142-7873 1464-3774 https://hdl.handle.net/10037/17315 |
op_rights |
openAccess Copyright 2020 The Author(s) |
op_doi |
https://doi.org/10.1093/plankt/fbz072 |
container_title |
Journal of Plankton Research |
container_volume |
42 |
container_issue |
1 |
container_start_page |
73 |
op_container_end_page |
86 |
_version_ |
1766295841836892160 |