Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia

Examined Eudyptes chrysolophus, Arctocephalus gazella and their zooplankton prey, in particular Antarctic krill Euphausia superba in February 1986. Antarctic fur seals and macaroni penguins showed positive correlations with Antarctic krill density across a wide range of spatial scales. When the infl...

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Bibliographic Details
Main Authors: Hunt, GL, Heinemann, D, Everson, I
Format: Article in Journal/Newspaper
Language:unknown
Published: eScholarship, University of California 1992
Subjects:
Marine Biology & Hydrobiology
Ecology
Zoology
Oceanography
Antarctic
Bird Island
Antarc*
Antarctic Fur Seal
Antarctic Fur Seals
Antarctic Krill
Arctocephalus gazella
Eudyptes chrysolophus
Euphausia superba
Online Access:https://escholarship.org/uc/item/8jq430xm
id ftcdlib:oai:escholarship.org/ark:/13030/qt8jq430xm
record_format openpolar
spelling ftcdlib:oai:escholarship.org/ark:/13030/qt8jq430xm 2023-05-15T14:01:12+02:00 Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia Hunt, GL Heinemann, D Everson, I 15 - 30 1992-01-01 application/pdf https://escholarship.org/uc/item/8jq430xm unknown eScholarship, University of California qt8jq430xm https://escholarship.org/uc/item/8jq430xm CC-BY CC-BY Marine Ecology Progress Series, vol 86, iss 1 Marine Biology & Hydrobiology Ecology Zoology Oceanography article 1992 ftcdlib 2021-03-11T09:12:49Z Examined Eudyptes chrysolophus, Arctocephalus gazella and their zooplankton prey, in particular Antarctic krill Euphausia superba in February 1986. Antarctic fur seals and macaroni penguins showed positive correlations with Antarctic krill density across a wide range of spatial scales. When the influences of distance and direction on predator abundance were factored out, the authors were able to demonstrate an influence of Antarctic krill abundance at measurement scales between 10-100 km for Antarctic fur seals and for macaroni penguins at the scale of 70-100 km. Water depth was an important correlate of Antarctic krill and Antarctic fur seal abundances but not of the abundance of macaroni penguins. -from Authors Article in Journal/Newspaper Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Antarctic Krill Arctocephalus gazella Bird Island Eudyptes chrysolophus Euphausia superba University of California: eScholarship Antarctic Bird Island ENVELOPE(-38.060,-38.060,-54.004,-54.004)
institution Open Polar
collection University of California: eScholarship
op_collection_id ftcdlib
language unknown
topic Marine Biology & Hydrobiology
Ecology
Zoology
Oceanography
spellingShingle Marine Biology & Hydrobiology
Ecology
Zoology
Oceanography
Hunt, GL
Heinemann, D
Everson, I
Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
topic_facet Marine Biology & Hydrobiology
Ecology
Zoology
Oceanography
description Examined Eudyptes chrysolophus, Arctocephalus gazella and their zooplankton prey, in particular Antarctic krill Euphausia superba in February 1986. Antarctic fur seals and macaroni penguins showed positive correlations with Antarctic krill density across a wide range of spatial scales. When the influences of distance and direction on predator abundance were factored out, the authors were able to demonstrate an influence of Antarctic krill abundance at measurement scales between 10-100 km for Antarctic fur seals and for macaroni penguins at the scale of 70-100 km. Water depth was an important correlate of Antarctic krill and Antarctic fur seal abundances but not of the abundance of macaroni penguins. -from Authors
format Article in Journal/Newspaper
author Hunt, GL
Heinemann, D
Everson, I
author_facet Hunt, GL
Heinemann, D
Everson, I
author_sort Hunt, GL
title Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
title_short Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
title_full Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
title_fullStr Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
title_full_unstemmed Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
title_sort distributions and predator-prey interactions of macaroni penguins, antarctic fur seals, and antarctic krill near bird island, south georgia
publisher eScholarship, University of California
publishDate 1992
url https://escholarship.org/uc/item/8jq430xm
op_coverage 15 - 30
long_lat ENVELOPE(-38.060,-38.060,-54.004,-54.004)
geographic Antarctic
Bird Island
geographic_facet Antarctic
Bird Island
genre Antarc*
Antarctic
Antarctic Fur Seal
Antarctic Fur Seals
Antarctic Krill
Arctocephalus gazella
Bird Island
Eudyptes chrysolophus
Euphausia superba
genre_facet Antarc*
Antarctic
Antarctic Fur Seal
Antarctic Fur Seals
Antarctic Krill
Arctocephalus gazella
Bird Island
Eudyptes chrysolophus
Euphausia superba
op_source Marine Ecology Progress Series, vol 86, iss 1
op_relation qt8jq430xm
https://escholarship.org/uc/item/8jq430xm
op_rights CC-BY
op_rightsnorm CC-BY
_version_ 1766270794535534592

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