Southern Ocean environmental changes: effects on seabird, seal and whale populations
The main changes in the distribution and abundance of marine top predators in the Antarctic in the last two centuries were caused by hum an over-exploitation. Hypotheses that increases in populations of krill-eating penguins and seals represent recovery from exploitation, accelerated by removal of k...
Published in: | Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences |
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Online Access: | http://dx.doi.org/10.1098/rstb.1992.0152 https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.1992.0152 |
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crroyalsociety:10.1098/rstb.1992.0152 2024-09-15T17:48:15+00:00 Southern Ocean environmental changes: effects on seabird, seal and whale populations 1992 http://dx.doi.org/10.1098/rstb.1992.0152 https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.1992.0152 en eng The Royal Society https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences volume 338, issue 1285, page 319-328 ISSN 0962-8436 1471-2970 journal-article 1992 crroyalsociety https://doi.org/10.1098/rstb.1992.0152 2024-08-05T04:35:25Z The main changes in the distribution and abundance of marine top predators in the Antarctic in the last two centuries were caused by hum an over-exploitation. Hypotheses that increases in populations of krill-eating penguins and seals represent recovery from exploitation, accelerated by removal of krill-eating whales, are being re-evaluated in the light of correlations between population size and reproductive success of seabirds and seals and various features of the biological and physical environment. These correlations involve phocid and otariid seals, penguins and flying birds and sites ranging from the Antarctic continent to sub-Antarctic islands. Although the nature of, and balance between, physical and biological influences differ between sites, regions and different types of predator, processes (including potentially important links with the Southern Oscillation) involving sea-ice extent and distribution play a key role. Major uncertainties over the nature of the links between physical and biological processes and the responses of marine populations preclude any confident prediction of the potential effects of future environmental change. However, certain taxa, especially those of specialist ecology, extreme demography and restricted distribution (especially in high latitudes) are especially vulnerable to at least some of the likely environmental changes. Article in Journal/Newspaper Antarc* Antarctic Sea ice Southern Ocean The Royal Society Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 338 1285 319 328 |
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Open Polar |
collection |
The Royal Society |
op_collection_id |
crroyalsociety |
language |
English |
description |
The main changes in the distribution and abundance of marine top predators in the Antarctic in the last two centuries were caused by hum an over-exploitation. Hypotheses that increases in populations of krill-eating penguins and seals represent recovery from exploitation, accelerated by removal of krill-eating whales, are being re-evaluated in the light of correlations between population size and reproductive success of seabirds and seals and various features of the biological and physical environment. These correlations involve phocid and otariid seals, penguins and flying birds and sites ranging from the Antarctic continent to sub-Antarctic islands. Although the nature of, and balance between, physical and biological influences differ between sites, regions and different types of predator, processes (including potentially important links with the Southern Oscillation) involving sea-ice extent and distribution play a key role. Major uncertainties over the nature of the links between physical and biological processes and the responses of marine populations preclude any confident prediction of the potential effects of future environmental change. However, certain taxa, especially those of specialist ecology, extreme demography and restricted distribution (especially in high latitudes) are especially vulnerable to at least some of the likely environmental changes. |
format |
Article in Journal/Newspaper |
title |
Southern Ocean environmental changes: effects on seabird, seal and whale populations |
spellingShingle |
Southern Ocean environmental changes: effects on seabird, seal and whale populations |
title_short |
Southern Ocean environmental changes: effects on seabird, seal and whale populations |
title_full |
Southern Ocean environmental changes: effects on seabird, seal and whale populations |
title_fullStr |
Southern Ocean environmental changes: effects on seabird, seal and whale populations |
title_full_unstemmed |
Southern Ocean environmental changes: effects on seabird, seal and whale populations |
title_sort |
southern ocean environmental changes: effects on seabird, seal and whale populations |
publisher |
The Royal Society |
publishDate |
1992 |
url |
http://dx.doi.org/10.1098/rstb.1992.0152 https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.1992.0152 |
genre |
Antarc* Antarctic Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Sea ice Southern Ocean |
op_source |
Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences volume 338, issue 1285, page 319-328 ISSN 0962-8436 1471-2970 |
op_rights |
https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ |
op_doi |
https://doi.org/10.1098/rstb.1992.0152 |
container_title |
Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences |
container_volume |
338 |
container_issue |
1285 |
container_start_page |
319 |
op_container_end_page |
328 |
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1810289403398979584 |