The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance
More white-chinned petrels (Procellaria aequinoctialis) are accidentally killed in fisheries than probably any other seabird in the world, but the population impact of this mortality is poorly understood, partly because there have been no recent estimates of the species' abundance. The breeding...
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ftunivdundeepure:oai:discovery.dundee.ac.uk:publications/31bfc45f-8cb9-4be1-bb21-2c1af57cdaa4 2024-05-19T07:29:45+00:00 The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance Martin, A. R. Poncet, S Barbraud, C. Foster, E Fretwell , P Rothery, P 2009 https://discovery.dundee.ac.uk/en/publications/31bfc45f-8cb9-4be1-bb21-2c1af57cdaa4 https://doi.org/10.1007/s00300-008-0570-5 http://nora.nerc.ac.uk/id/eprint/9582 eng eng https://discovery.dundee.ac.uk/en/publications/31bfc45f-8cb9-4be1-bb21-2c1af57cdaa4 info:eu-repo/semantics/restrictedAccess Martin , A R , Poncet , S , Barbraud , C , Foster , E , Fretwell , P & Rothery , P 2009 , ' The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance ' , Polar Biology , vol. 32:655-661 . https://doi.org/10.1007/s00300-008-0570-5 Zoology Environment Ecology South Georgia article 2009 ftunivdundeepure https://doi.org/10.1007/s00300-008-0570-5 2024-05-01T00:12:11Z More white-chinned petrels (Procellaria aequinoctialis) are accidentally killed in fisheries than probably any other seabird in the world, but the population impact of this mortality is poorly understood, partly because there have been no recent estimates of the species' abundance. The breeding aggregation on the sub-Antarctic island of South Georgia is believed to be larger than all others combined. We estimated the size of this population by calculating the area of suitable habitat and the density of occupied burrows within it. Some 670,000 occupied nests were estimated for the island at mid-incubation, representing 0.9 million pairs of breeding-age birds associated with South Georgia in the survey seasons (2005/06 and 06/07). This is 40-45% of the previous estimate, but still represents well over half of the global population. If the population is declining due to fishery bycatch, as is likely, the scale of annual mortality in this population alone is at least in the high tens of thousands, and plausibly hundreds of thousands. Article in Journal/Newspaper Antarc* Antarctic Polar Biology Discovery - University of Dundee Online Publications Polar Biology 32 4 655 661 |
institution |
Open Polar |
collection |
Discovery - University of Dundee Online Publications |
op_collection_id |
ftunivdundeepure |
language |
English |
topic |
Zoology Environment Ecology South Georgia |
spellingShingle |
Zoology Environment Ecology South Georgia Martin, A. R. Poncet, S Barbraud, C. Foster, E Fretwell , P Rothery, P The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
topic_facet |
Zoology Environment Ecology South Georgia |
description |
More white-chinned petrels (Procellaria aequinoctialis) are accidentally killed in fisheries than probably any other seabird in the world, but the population impact of this mortality is poorly understood, partly because there have been no recent estimates of the species' abundance. The breeding aggregation on the sub-Antarctic island of South Georgia is believed to be larger than all others combined. We estimated the size of this population by calculating the area of suitable habitat and the density of occupied burrows within it. Some 670,000 occupied nests were estimated for the island at mid-incubation, representing 0.9 million pairs of breeding-age birds associated with South Georgia in the survey seasons (2005/06 and 06/07). This is 40-45% of the previous estimate, but still represents well over half of the global population. If the population is declining due to fishery bycatch, as is likely, the scale of annual mortality in this population alone is at least in the high tens of thousands, and plausibly hundreds of thousands. |
format |
Article in Journal/Newspaper |
author |
Martin, A. R. Poncet, S Barbraud, C. Foster, E Fretwell , P Rothery, P |
author_facet |
Martin, A. R. Poncet, S Barbraud, C. Foster, E Fretwell , P Rothery, P |
author_sort |
Martin, A. R. |
title |
The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
title_short |
The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
title_full |
The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
title_fullStr |
The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
title_full_unstemmed |
The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
title_sort |
white-chinned petrel (procellaria aequinoctialis) on south georgia: population size, distribution and global significance |
publishDate |
2009 |
url |
https://discovery.dundee.ac.uk/en/publications/31bfc45f-8cb9-4be1-bb21-2c1af57cdaa4 https://doi.org/10.1007/s00300-008-0570-5 http://nora.nerc.ac.uk/id/eprint/9582 |
genre |
Antarc* Antarctic Polar Biology |
genre_facet |
Antarc* Antarctic Polar Biology |
op_source |
Martin , A R , Poncet , S , Barbraud , C , Foster , E , Fretwell , P & Rothery , P 2009 , ' The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance ' , Polar Biology , vol. 32:655-661 . https://doi.org/10.1007/s00300-008-0570-5 |
op_relation |
https://discovery.dundee.ac.uk/en/publications/31bfc45f-8cb9-4be1-bb21-2c1af57cdaa4 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1007/s00300-008-0570-5 |
container_title |
Polar Biology |
container_volume |
32 |
container_issue |
4 |
container_start_page |
655 |
op_container_end_page |
661 |
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1799481182680776704 |