Hypotheses and tracking results about the longest migration : the case of the arctic tern
The arctic tern Sterna paradisaea completes the longest known annual return migration on Earth, traveling between breeding sites in the northern arctic and temperate regions and survival/molt areas in the Antarctic pack‐ice zone. Salomonsen (1967, Biologiske Meddelelser, Copenhagen Danske Videnskabe...
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Högskolan Kristianstad, Forskningsmiljön Man & Biosphere Health (MABH)
2019
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Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19790 https://doi.org/10.1002/ece3.5459 |
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fthkristianstad:oai:DiVA.org:hkr-19790 2024-02-11T09:57:13+01:00 Hypotheses and tracking results about the longest migration : the case of the arctic tern Alerstam, Thomas Bäckman, Johan Johanna, Grönroos Olofsson, Patrik Strandberg, Roine 2019 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19790 https://doi.org/10.1002/ece3.5459 eng eng Högskolan Kristianstad, Forskningsmiljön Man & Biosphere Health (MABH) Högskolan Kristianstad, Avdelningen för miljö- och biovetenskap Lund University Heberg, Sweden Ecology and Evolution, 2019 orcid:0000-0003-2051-5581 http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19790 doi:10.1002/ece3.5459 ISI:000479975100001 info:eu-repo/semantics/openAccess Ecology Ekologi Article in journal info:eu-repo/semantics/article text 2019 fthkristianstad https://doi.org/10.1002/ece3.5459 2024-01-17T23:31:00Z The arctic tern Sterna paradisaea completes the longest known annual return migration on Earth, traveling between breeding sites in the northern arctic and temperate regions and survival/molt areas in the Antarctic pack‐ice zone. Salomonsen (1967, Biologiske Meddelelser, Copenhagen Danske Videnskabernes Selskab, 24, 1) put forward a hypothetical comprehensive interpretation of this global migration pattern, suggesting food distribution, wind patterns, sea ice distribution, and molt habits as key ecological and evolutionary determinants. We used light‐level geolocators to record 12 annual journeys by eight individuals of arctic terns breeding in the Baltic Sea. Migration cycles were evaluated in light of Salomonsen's hypotheses and compared with results from geolocator studies of arctic tern populations from Greenland, Netherlands, and Alaska. The Baltic terns completed a 50,000 km annual migration circuit, exploiting ocean regions of high productivity in the North Atlantic, Benguela Current, and the Indian Ocean between southern Africa and Australia (sometimes including the Tasman Sea). They arrived about 1 November in the Antarctic zone at far easterly longitudes (in one case even at the Ross Sea) subsequently moving westward across 120–220 degrees of longitude toward the Weddell Sea region. They departed from here in mid‐March on a fast spring migration up the Atlantic Ocean. The geolocator data revealed unexpected segregation in time and space between tern populations in the same flyway. Terns from the Baltic and Netherlands traveled earlier and to significantly more easterly longitudes in the Indian Ocean and Antarctic zone than terns from Greenland. We suggest an adaptive explanation for this pattern. The global migration system of the arctic tern offers an extraordinary possibility to understand adaptive values and constraints in complex pelagic life cycles, as determined by environmental conditions (marine productivity, wind patterns, low‐pressure trajectories, pack‐ice distribution), inherent factors ... Article in Journal/Newspaper Antarc* Antarctic Arctic Arctic tern Greenland North Atlantic Ross Sea Sea ice Sterna paradisaea Weddell Sea Alaska Kristianstad University College: Publications (DiVA) Antarctic Arctic Greenland Indian Ross Sea The Antarctic Weddell Weddell Sea Ecology and Evolution 9 17 9511 9531 |
institution |
Open Polar |
collection |
Kristianstad University College: Publications (DiVA) |
op_collection_id |
fthkristianstad |
language |
English |
topic |
Ecology Ekologi |
spellingShingle |
Ecology Ekologi Alerstam, Thomas Bäckman, Johan Johanna, Grönroos Olofsson, Patrik Strandberg, Roine Hypotheses and tracking results about the longest migration : the case of the arctic tern |
topic_facet |
Ecology Ekologi |
description |
The arctic tern Sterna paradisaea completes the longest known annual return migration on Earth, traveling between breeding sites in the northern arctic and temperate regions and survival/molt areas in the Antarctic pack‐ice zone. Salomonsen (1967, Biologiske Meddelelser, Copenhagen Danske Videnskabernes Selskab, 24, 1) put forward a hypothetical comprehensive interpretation of this global migration pattern, suggesting food distribution, wind patterns, sea ice distribution, and molt habits as key ecological and evolutionary determinants. We used light‐level geolocators to record 12 annual journeys by eight individuals of arctic terns breeding in the Baltic Sea. Migration cycles were evaluated in light of Salomonsen's hypotheses and compared with results from geolocator studies of arctic tern populations from Greenland, Netherlands, and Alaska. The Baltic terns completed a 50,000 km annual migration circuit, exploiting ocean regions of high productivity in the North Atlantic, Benguela Current, and the Indian Ocean between southern Africa and Australia (sometimes including the Tasman Sea). They arrived about 1 November in the Antarctic zone at far easterly longitudes (in one case even at the Ross Sea) subsequently moving westward across 120–220 degrees of longitude toward the Weddell Sea region. They departed from here in mid‐March on a fast spring migration up the Atlantic Ocean. The geolocator data revealed unexpected segregation in time and space between tern populations in the same flyway. Terns from the Baltic and Netherlands traveled earlier and to significantly more easterly longitudes in the Indian Ocean and Antarctic zone than terns from Greenland. We suggest an adaptive explanation for this pattern. The global migration system of the arctic tern offers an extraordinary possibility to understand adaptive values and constraints in complex pelagic life cycles, as determined by environmental conditions (marine productivity, wind patterns, low‐pressure trajectories, pack‐ice distribution), inherent factors ... |
format |
Article in Journal/Newspaper |
author |
Alerstam, Thomas Bäckman, Johan Johanna, Grönroos Olofsson, Patrik Strandberg, Roine |
author_facet |
Alerstam, Thomas Bäckman, Johan Johanna, Grönroos Olofsson, Patrik Strandberg, Roine |
author_sort |
Alerstam, Thomas |
title |
Hypotheses and tracking results about the longest migration : the case of the arctic tern |
title_short |
Hypotheses and tracking results about the longest migration : the case of the arctic tern |
title_full |
Hypotheses and tracking results about the longest migration : the case of the arctic tern |
title_fullStr |
Hypotheses and tracking results about the longest migration : the case of the arctic tern |
title_full_unstemmed |
Hypotheses and tracking results about the longest migration : the case of the arctic tern |
title_sort |
hypotheses and tracking results about the longest migration : the case of the arctic tern |
publisher |
Högskolan Kristianstad, Forskningsmiljön Man & Biosphere Health (MABH) |
publishDate |
2019 |
url |
http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19790 https://doi.org/10.1002/ece3.5459 |
geographic |
Antarctic Arctic Greenland Indian Ross Sea The Antarctic Weddell Weddell Sea |
geographic_facet |
Antarctic Arctic Greenland Indian Ross Sea The Antarctic Weddell Weddell Sea |
genre |
Antarc* Antarctic Arctic Arctic tern Greenland North Atlantic Ross Sea Sea ice Sterna paradisaea Weddell Sea Alaska |
genre_facet |
Antarc* Antarctic Arctic Arctic tern Greenland North Atlantic Ross Sea Sea ice Sterna paradisaea Weddell Sea Alaska |
op_relation |
Ecology and Evolution, 2019 orcid:0000-0003-2051-5581 http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19790 doi:10.1002/ece3.5459 ISI:000479975100001 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1002/ece3.5459 |
container_title |
Ecology and Evolution |
container_volume |
9 |
container_issue |
17 |
container_start_page |
9511 |
op_container_end_page |
9531 |
_version_ |
1790609513914564608 |