Migration strategies of common eiders from Svalbard: implications for bilateral conservation management
The Arctic is a highly seasonal environment with a harsh climate and extensive sea ice cover during the winter. Consequently, most Arctic-breeding seabirds migrate south to reach more benign environmental conditions. Knowledge of migration routes and wintering areas is integral for successful conser...
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ftnerc:oai:nora.nerc.ac.uk:515837 2023-05-15T14:54:47+02:00 Migration strategies of common eiders from Svalbard: implications for bilateral conservation management Hanssen, Sveinn Are Gabrielsen, Geir Wing Bustnes, Jan Ove Bråthen, Vegard Sandøy Skottene, Elise Fenstad, Anette A. Strøm, Hallvard Bakken, Vidar Phillips, Richard A. Moe, Børge 2016-11 text http://nora.nerc.ac.uk/id/eprint/515837/ https://nora.nerc.ac.uk/id/eprint/515837/1/Hanssen%20et%20al%20Common%20eider%20migration%202015%20AAM.docx https://doi.org/10.1007/s00300-016-1908-z en eng Springer https://nora.nerc.ac.uk/id/eprint/515837/1/Hanssen%20et%20al%20Common%20eider%20migration%202015%20AAM.docx Hanssen, Sveinn Are; Gabrielsen, Geir Wing; Bustnes, Jan Ove; Bråthen, Vegard Sandøy; Skottene, Elise; Fenstad, Anette A.; Strøm, Hallvard; Bakken, Vidar; Phillips, Richard A.; Moe, Børge. 2016 Migration strategies of common eiders from Svalbard: implications for bilateral conservation management. Polar Biology, 39 (11). 2179-2188. https://doi.org/10.1007/s00300-016-1908-z <https://doi.org/10.1007/s00300-016-1908-z> Publication - Article PeerReviewed 2016 ftnerc https://doi.org/10.1007/s00300-016-1908-z 2023-02-04T19:44:17Z The Arctic is a highly seasonal environment with a harsh climate and extensive sea ice cover during the winter. Consequently, most Arctic-breeding seabirds migrate south to reach more benign environmental conditions. Knowledge of migration routes and wintering areas is integral for successful conservation of these globally important breeding populations. In this study, we deployed light-level geolocators on female common eiders Somateria mollissima breeding in Kongsfjorden, Svalbard, to track movements during the non-breeding season. We retrieved functioning loggers from 47 individual birds in 2009–2013 and mapped their migration routes and wintering areas. Thirty-six birds (77 %) wintered around the Icelandic coast and 11 (23 %) off the coasts of North Norway. Autumn migration took place between late August and late December, and spring migration from late March to late May. The migration (ca 1700 km to Iceland and 1300 km to North Norway) lasted for about 4 days in autumn and 3 days in spring. Later arrival resulted in later nest initiation, implying a carry-over effect of winter conditions on subsequent breeding. Birds that migrated to Norway departed later from Svalbard in autumn and consequently spent less time in the wintering area than individuals that migrated to Iceland. As just two countries, Iceland and Norway, appear to host all common eiders from Svalbard during the winter, the new information provided by this study on the core areas and timing of migration should provide the impetus for improved bilateral conservation management of this important Arctic breeding population of common eiders. Article in Journal/Newspaper Arctic Iceland Kongsfjord* Kongsfjorden North Norway Polar Biology Sea ice Somateria mollissima Svalbard Natural Environment Research Council: NERC Open Research Archive Arctic Svalbard Norway Polar Biology 39 11 2179 2188 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
English |
description |
The Arctic is a highly seasonal environment with a harsh climate and extensive sea ice cover during the winter. Consequently, most Arctic-breeding seabirds migrate south to reach more benign environmental conditions. Knowledge of migration routes and wintering areas is integral for successful conservation of these globally important breeding populations. In this study, we deployed light-level geolocators on female common eiders Somateria mollissima breeding in Kongsfjorden, Svalbard, to track movements during the non-breeding season. We retrieved functioning loggers from 47 individual birds in 2009–2013 and mapped their migration routes and wintering areas. Thirty-six birds (77 %) wintered around the Icelandic coast and 11 (23 %) off the coasts of North Norway. Autumn migration took place between late August and late December, and spring migration from late March to late May. The migration (ca 1700 km to Iceland and 1300 km to North Norway) lasted for about 4 days in autumn and 3 days in spring. Later arrival resulted in later nest initiation, implying a carry-over effect of winter conditions on subsequent breeding. Birds that migrated to Norway departed later from Svalbard in autumn and consequently spent less time in the wintering area than individuals that migrated to Iceland. As just two countries, Iceland and Norway, appear to host all common eiders from Svalbard during the winter, the new information provided by this study on the core areas and timing of migration should provide the impetus for improved bilateral conservation management of this important Arctic breeding population of common eiders. |
format |
Article in Journal/Newspaper |
author |
Hanssen, Sveinn Are Gabrielsen, Geir Wing Bustnes, Jan Ove Bråthen, Vegard Sandøy Skottene, Elise Fenstad, Anette A. Strøm, Hallvard Bakken, Vidar Phillips, Richard A. Moe, Børge |
spellingShingle |
Hanssen, Sveinn Are Gabrielsen, Geir Wing Bustnes, Jan Ove Bråthen, Vegard Sandøy Skottene, Elise Fenstad, Anette A. Strøm, Hallvard Bakken, Vidar Phillips, Richard A. Moe, Børge Migration strategies of common eiders from Svalbard: implications for bilateral conservation management |
author_facet |
Hanssen, Sveinn Are Gabrielsen, Geir Wing Bustnes, Jan Ove Bråthen, Vegard Sandøy Skottene, Elise Fenstad, Anette A. Strøm, Hallvard Bakken, Vidar Phillips, Richard A. Moe, Børge |
author_sort |
Hanssen, Sveinn Are |
title |
Migration strategies of common eiders from Svalbard: implications for bilateral conservation management |
title_short |
Migration strategies of common eiders from Svalbard: implications for bilateral conservation management |
title_full |
Migration strategies of common eiders from Svalbard: implications for bilateral conservation management |
title_fullStr |
Migration strategies of common eiders from Svalbard: implications for bilateral conservation management |
title_full_unstemmed |
Migration strategies of common eiders from Svalbard: implications for bilateral conservation management |
title_sort |
migration strategies of common eiders from svalbard: implications for bilateral conservation management |
publisher |
Springer |
publishDate |
2016 |
url |
http://nora.nerc.ac.uk/id/eprint/515837/ https://nora.nerc.ac.uk/id/eprint/515837/1/Hanssen%20et%20al%20Common%20eider%20migration%202015%20AAM.docx https://doi.org/10.1007/s00300-016-1908-z |
geographic |
Arctic Svalbard Norway |
geographic_facet |
Arctic Svalbard Norway |
genre |
Arctic Iceland Kongsfjord* Kongsfjorden North Norway Polar Biology Sea ice Somateria mollissima Svalbard |
genre_facet |
Arctic Iceland Kongsfjord* Kongsfjorden North Norway Polar Biology Sea ice Somateria mollissima Svalbard |
op_relation |
https://nora.nerc.ac.uk/id/eprint/515837/1/Hanssen%20et%20al%20Common%20eider%20migration%202015%20AAM.docx Hanssen, Sveinn Are; Gabrielsen, Geir Wing; Bustnes, Jan Ove; Bråthen, Vegard Sandøy; Skottene, Elise; Fenstad, Anette A.; Strøm, Hallvard; Bakken, Vidar; Phillips, Richard A.; Moe, Børge. 2016 Migration strategies of common eiders from Svalbard: implications for bilateral conservation management. Polar Biology, 39 (11). 2179-2188. https://doi.org/10.1007/s00300-016-1908-z <https://doi.org/10.1007/s00300-016-1908-z> |
op_doi |
https://doi.org/10.1007/s00300-016-1908-z |
container_title |
Polar Biology |
container_volume |
39 |
container_issue |
11 |
container_start_page |
2179 |
op_container_end_page |
2188 |
_version_ |
1766326528724959232 |