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Parallel declines in survival of adult Northern Fulmars Fulmarus glacialis at colonies in Scotland and Ireland

Cordes, L.S. and Hedworth, H.E. and Cabot, D. and Cassidy, M. and Thompson, P.M. (2015) Parallel declines in survival of adult Northern Fulmars Fulmarus glacialis at colonies in Scotland and Ireland. IBIS (International Journal of Avian Science), 157 (3). pp. 631-636. DOI: 10.1111/ibi.12255

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Abstract

Assessing broad-scale changes in seabird populations across the North Atlantic requires an integration of available datasets to understand the spatial extent of potential drivers and demographic change. Here, we compared survival of Northern Fulmars Fulmarus glacialis from a Scottish and an Irish colony from 1974 to 2009. Despite lower recapture probabilities of monel-ringed Irish birds compared with colour-ringed Scottish birds, survival probability decreased at both colonies. The extent to which the decline in survival is related to density-dependent processes or other external drivers remains uncertain, but our results suggest that these changes in survival are possibly indicative of larger-scale processes and are not confined to local colony dynamics.

Item Type: Article
Subjects: Research Publications
Departments: College of Natural Sciences > School of Ocean Sciences
Date Deposited: 21 Aug 2015 02:47
Last Modified: 23 Sep 2015 02:48
ISSN: 0019-1019
URI: http://e.bangor.ac.uk/id/eprint/5262
Identification Number: DOI: 10.1111/ibi.12255
Publisher: John Wiley & Sons
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