Data

Population trends of black-browed albatrosses at Heard Island, 1947 - 2001.

Australian Antarctic Division
Woehler, E. ; WOEHLER, ERIC
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.aad.gov.au/metadata/ASAC_1219_HIMI_Alb&rft.title=Population trends of black-browed albatrosses at Heard Island, 1947 - 2001.&rft.identifier=http://data.aad.gov.au/metadata/ASAC_1219_HIMI_Alb&rft.publisher=Australian Antarctic Data Centre&rft.description=The breeding population of the black-browed albatross Thalassarche melanophrys has increased at Heard Island since the first census data were obtained in 1947/1948. Four breeding localities are known, and all populations have increased in the period 1947/1948-2000/2001. The breeding population is estimated to have been approximately 200 pairs in 1947/1948. Based on 2000/2001 census data, the population has increased to a minimum of approximately 600 pairs over the 53 years. Two mechanisms, that of increased prey availability through scavenging discards from trawlers operating within their foraging range, and climatic amelioration, are proposed as hypotheses for this increase.The fields in this dataset are:SeasonDatesLocationNumbersNestsAdultsChicksProgress Code: completed&rft.creator=Woehler, E. &rft.creator=WOEHLER, ERIC &rft.date=2002&rft.coverage=westlimit=73.23761; southlimit=-53.20439; eastlimit=73.84735; northlimit=-52.96022&rft.coverage=westlimit=73.23761; southlimit=-53.20439; eastlimit=73.84735; northlimit=-52.96022&rft_rights=The paper, which contains a table of data, is available for download from the provided URL to AAD staff only.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1219_HIMI_Alb when using these data. May use data with appropriate citation to publication in Polar Biology: Woehler, Auman and Riddle (2002).&rft_rights=This metadata record is publicly available.&rft_subject=biota&rft_subject=oceans&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > BIRDS&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > COMMUNITY DYNAMICS > COMMUNITY STRUCTURE&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > POPULATION DYNAMICS&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > SPECIES LIFE HISTORY&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > BIRDS > ALBATROSSES/PETRELS AND ALLIES&rft_subject=ADULTS&rft_subject=BLACK-BROWED ALBATROSS&rft_subject=CHICKS&rft_subject=DATES&rft_subject=LOCATION&rft_subject=HEARD ISLAND&rft_subject=NESTS&rft_subject=NUMBERS&rft_subject=POPULATION INCREASE&rft_subject=SOUTHERN OCEAN&rft_subject=POPULATION TRENDS&rft_subject=SEASON&rft_subject=VISUAL OBSERVATIONS&rft_subject=FIELD SURVEYS&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=OCEAN > SOUTHERN OCEAN > Heard Island&rft_subject=CONTINENT > AUSTRALIA/NEW ZEALAND > AUSTRALIA > Heard Island&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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CC-BY

Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

The paper, which contains a table of data, is available for download from the provided URL to AAD staff only.

This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1219_HIMI_Alb when using these data.

May use data with appropriate citation to publication in Polar Biology: Woehler, Auman and Riddle (2002).

This metadata record is publicly available.

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Full description

The breeding population of the black-browed albatross Thalassarche melanophrys has increased at Heard Island since the first census data were obtained in 1947/1948. Four breeding localities are known, and all populations have increased in the period 1947/1948-2000/2001. The breeding population is estimated to have been approximately 200 pairs in 1947/1948. Based on 2000/2001 census data, the population has increased to a minimum of approximately 600 pairs over the 53 years. Two mechanisms, that of increased prey availability through scavenging discards from trawlers operating within their foraging range, and climatic amelioration, are proposed as hypotheses for this increase.

The fields in this dataset are:
Season
Dates
Location
Numbers
Nests
Adults
Chicks

Lineage

Progress Code: completed

Data time period: 1947-12-01 to 2001-01-31

This dataset is part of a larger collection

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73.84735,-52.96022 73.84735,-53.20439 73.23761,-53.20439 73.23761,-52.96022 73.84735,-52.96022

73.54248,-53.082305

text: westlimit=73.23761; southlimit=-53.20439; eastlimit=73.84735; northlimit=-52.96022

Subjects
ADULTS | AMD | AMD/AU | BLACK-BROWED ALBATROSS | CEOS | CHICKS | CONTINENT > AUSTRALIA/NEW ZEALAND > AUSTRALIA > Heard Island | DATES | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > BIRDS | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > BIRDS > ALBATROSSES/PETRELS AND ALLIES | EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > COMMUNITY DYNAMICS > COMMUNITY STRUCTURE | EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > POPULATION DYNAMICS | EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > SPECIES LIFE HISTORY | FIELD SURVEYS | GEOGRAPHIC REGION > POLAR | HEARD ISLAND | LOCATION | NESTS | NUMBERS | OCEAN > SOUTHERN OCEAN > Heard Island | POPULATION INCREASE | POPULATION TRENDS | SEASON | SOUTHERN OCEAN | VISUAL OBSERVATIONS | biota | oceans |

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Other Information
Public information for ASAC project 1219 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=1219

Download page for Australian Antarctic Data Centre (VIEW RELATED INFORMATION > PUBLICATIONS)

uri : https://data.aad.gov.au/eds/1452/download

Citation reference for this metadata record and dataset (VIEW RELATED INFORMATION)

uri : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1219_HIMI_Alb

Identifiers
  • global : ASAC_1219_HIMI_Alb