Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
Abstract Krill consumption by natural predators represents a critical link between surveys and models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea. Antarctic krill ( Euphausia superba ) is a significant component of diet for penguins breeding in this reg...
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Online Access: | http://dx.doi.org/10.1017/s0954102012000600 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102012000600 |
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crcambridgeupr:10.1017/s0954102012000600 2024-03-03T08:37:29+00:00 Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula Lynch, Heather J. Ratcliffe, Norman Passmore, Jennifer Foster, Emma Trathan, Philip N. 2012 http://dx.doi.org/10.1017/s0954102012000600 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102012000600 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 25, issue 1, page 19-23 ISSN 0954-1020 1365-2079 Geology Ecology, Evolution, Behavior and Systematics Oceanography journal-article 2012 crcambridgeupr https://doi.org/10.1017/s0954102012000600 2024-02-08T08:46:25Z Abstract Krill consumption by natural predators represents a critical link between surveys and models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea. Antarctic krill ( Euphausia superba ) is a significant component of diet for penguins breeding in this region and, consequently, uncertainties regarding penguin population abundances contribute to uncertainties in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to identify 14 breeding colonies that contribute most significantly to uncertainty regarding the total number of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski Island alone would decrease uncertainty in total population by 24.8%, whereas high quality surveys of all 14 “high-influence” locations would decrease uncertainty by almost 72%. Updated population estimates at these sites should be considered top priority for future fieldwork in the region. Our results are based on a robust quantitative method for assessing data priorities in estimating krill consumption that is easily extended to other groups of krill predators. Article in Journal/Newspaper Antarc* Antarctic Antarctic Krill Antarctic Peninsula Antarctic Science Euphausia superba Scotia Sea Zavodovski Island Cambridge University Press Antarctic The Antarctic Antarctic Peninsula Scotia Sea Zavodovski Island ENVELOPE(-27.568,-27.568,-56.299,-56.299) Antarctic Science 25 1 19 23 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
topic |
Geology Ecology, Evolution, Behavior and Systematics Oceanography |
spellingShingle |
Geology Ecology, Evolution, Behavior and Systematics Oceanography Lynch, Heather J. Ratcliffe, Norman Passmore, Jennifer Foster, Emma Trathan, Philip N. Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula |
topic_facet |
Geology Ecology, Evolution, Behavior and Systematics Oceanography |
description |
Abstract Krill consumption by natural predators represents a critical link between surveys and models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea. Antarctic krill ( Euphausia superba ) is a significant component of diet for penguins breeding in this region and, consequently, uncertainties regarding penguin population abundances contribute to uncertainties in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to identify 14 breeding colonies that contribute most significantly to uncertainty regarding the total number of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski Island alone would decrease uncertainty in total population by 24.8%, whereas high quality surveys of all 14 “high-influence” locations would decrease uncertainty by almost 72%. Updated population estimates at these sites should be considered top priority for future fieldwork in the region. Our results are based on a robust quantitative method for assessing data priorities in estimating krill consumption that is easily extended to other groups of krill predators. |
format |
Article in Journal/Newspaper |
author |
Lynch, Heather J. Ratcliffe, Norman Passmore, Jennifer Foster, Emma Trathan, Philip N. |
author_facet |
Lynch, Heather J. Ratcliffe, Norman Passmore, Jennifer Foster, Emma Trathan, Philip N. |
author_sort |
Lynch, Heather J. |
title |
Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula |
title_short |
Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula |
title_full |
Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula |
title_fullStr |
Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula |
title_full_unstemmed |
Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula |
title_sort |
sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the antarctic peninsula |
publisher |
Cambridge University Press (CUP) |
publishDate |
2012 |
url |
http://dx.doi.org/10.1017/s0954102012000600 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102012000600 |
long_lat |
ENVELOPE(-27.568,-27.568,-56.299,-56.299) |
geographic |
Antarctic The Antarctic Antarctic Peninsula Scotia Sea Zavodovski Island |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula Scotia Sea Zavodovski Island |
genre |
Antarc* Antarctic Antarctic Krill Antarctic Peninsula Antarctic Science Euphausia superba Scotia Sea Zavodovski Island |
genre_facet |
Antarc* Antarctic Antarctic Krill Antarctic Peninsula Antarctic Science Euphausia superba Scotia Sea Zavodovski Island |
op_source |
Antarctic Science volume 25, issue 1, page 19-23 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0954102012000600 |
container_title |
Antarctic Science |
container_volume |
25 |
container_issue |
1 |
container_start_page |
19 |
op_container_end_page |
23 |
_version_ |
1792499168772620288 |