Upwind or downwind: the spring arrival of Arctic Terns Sterna paradisaea at Troms, north Norway

This is an Accepted Manuscript of an article published by Taylor & Francis in "Ringing and Migration". Published version available at http://dx.doi.org/10.1080/03078698.2016.1190610. Arctic Terns Sterna paradisaea have a record-long migration between their breeding grounds in the Arcti...

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Bibliographic Details
Published in:Ringing & Migration
Main Author: Barrett, Robert T.
Format: Article in Journal/Newspaper
Language:English
Published: Taylor & Francis 2016
Subjects:
VDP::Mathematics and natural science: 400::Zoology and botany: 480
VDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480
Arctic Terns
migration
breeding
Norway
Antarctic
arrival dates
Arctic
The Antarctic
Antarc*
North Atlantic
North Atlantic oscillation
North Norway
Sterna paradisaea
Troms
Online Access:https://hdl.handle.net/10037/10853
https://doi.org/10.1080/03078698.2016.1190610
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Summary:This is an Accepted Manuscript of an article published by Taylor & Francis in "Ringing and Migration". Published version available at http://dx.doi.org/10.1080/03078698.2016.1190610. Arctic Terns Sterna paradisaea have a record-long migration between their breeding grounds in the Arctic and wintering areas in the Antarctic. Nevertheless, return dtaes to north Norway were remarkably constant over a 35-y period (1981-2015), arriving in Troms within a 13-d time window in mid to late May. Since 1993, arrival dates have advanced by about four days. No relationships were found between arrival dates and large-scale weather proxies such as the North Atlantic Oscillation or sea temperatures, but when terns were approaching Troms, headwinds tended to delay arrivals whereas tailwinds advanced them.

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