Status and trends of Adélie penguin populations in the Ross Sea region
Abstract Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to determine the breeding locations of Adelie penguins Pygoscelis adeliae , and to count the numbers of nests occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts betwe...
Published in: | Polar Record |
---|---|
Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Cambridge University Press (CUP)
1990
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1017/s0032247400011803 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400011803 |
id |
crcambridgeupr:10.1017/s0032247400011803 |
---|---|
record_format |
openpolar |
spelling |
crcambridgeupr:10.1017/s0032247400011803 2024-09-15T17:41:01+00:00 Status and trends of Adélie penguin populations in the Ross Sea region Taylor, R. H. Wilson, P. R. Thomas, B. W. 1990 http://dx.doi.org/10.1017/s0032247400011803 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400011803 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Polar Record volume 26, issue 159, page 293-304 ISSN 0032-2474 1475-3057 journal-article 1990 crcambridgeupr https://doi.org/10.1017/s0032247400011803 2024-07-31T04:03:47Z Abstract Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to determine the breeding locations of Adelie penguins Pygoscelis adeliae , and to count the numbers of nests occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts between 158°E and 175°E were searched, and 11 previously unreported breeding rookeries were discovered. Thirty-eight Adé1ie rookeries are now known from the region, with a total of about 1,082,000 breeding pairs — almost half the world population. Some rookeries were photographed in all, or most, of the seven seasons to study the pattern of natural fluctuations in Adelie populations, and comparisons have been made with earlier counts. Populations at nearly all rookeries have increased in size over the last 10–20 years. Possible reasons for this, and for annual fluctuations in numbers breeding, include seasonal variations in. sea ice and weather conditions, and longer-term climatic change. Article in Journal/Newspaper Antarc* Antarctica Polar Record Pygoscelis adeliae Ross Sea Sea ice Cambridge University Press Polar Record 26 159 293 304 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
description |
Abstract Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to determine the breeding locations of Adelie penguins Pygoscelis adeliae , and to count the numbers of nests occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts between 158°E and 175°E were searched, and 11 previously unreported breeding rookeries were discovered. Thirty-eight Adé1ie rookeries are now known from the region, with a total of about 1,082,000 breeding pairs — almost half the world population. Some rookeries were photographed in all, or most, of the seven seasons to study the pattern of natural fluctuations in Adelie populations, and comparisons have been made with earlier counts. Populations at nearly all rookeries have increased in size over the last 10–20 years. Possible reasons for this, and for annual fluctuations in numbers breeding, include seasonal variations in. sea ice and weather conditions, and longer-term climatic change. |
format |
Article in Journal/Newspaper |
author |
Taylor, R. H. Wilson, P. R. Thomas, B. W. |
spellingShingle |
Taylor, R. H. Wilson, P. R. Thomas, B. W. Status and trends of Adélie penguin populations in the Ross Sea region |
author_facet |
Taylor, R. H. Wilson, P. R. Thomas, B. W. |
author_sort |
Taylor, R. H. |
title |
Status and trends of Adélie penguin populations in the Ross Sea region |
title_short |
Status and trends of Adélie penguin populations in the Ross Sea region |
title_full |
Status and trends of Adélie penguin populations in the Ross Sea region |
title_fullStr |
Status and trends of Adélie penguin populations in the Ross Sea region |
title_full_unstemmed |
Status and trends of Adélie penguin populations in the Ross Sea region |
title_sort |
status and trends of adélie penguin populations in the ross sea region |
publisher |
Cambridge University Press (CUP) |
publishDate |
1990 |
url |
http://dx.doi.org/10.1017/s0032247400011803 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400011803 |
genre |
Antarc* Antarctica Polar Record Pygoscelis adeliae Ross Sea Sea ice |
genre_facet |
Antarc* Antarctica Polar Record Pygoscelis adeliae Ross Sea Sea ice |
op_source |
Polar Record volume 26, issue 159, page 293-304 ISSN 0032-2474 1475-3057 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0032247400011803 |
container_title |
Polar Record |
container_volume |
26 |
container_issue |
159 |
container_start_page |
293 |
op_container_end_page |
304 |
_version_ |
1810487080348811264 |