Data

Area - population relationships for Adelie Penguin colonies at Mawson.

Australian Antarctic Data Centre
WOEHLER, ERIC
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://data.aad.gov.au/metadata/records/ASAC_1219_AAT_APen_M_Area&rft.title=Area - population relationships for Adelie Penguin colonies at Mawson.&rft.identifier=https://data.aad.gov.au/metadata/records/ASAC_1219_AAT_APen_M_Area&rft.publisher=Australian Antarctic Data Centre&rft.description=The relationship between colony area and population density of Adelie Penguins Pygoscelis adeliae was examined to determine whether colony area, measured from aerial or satellite imagery, could be used to estimate population density, and hence detect changes in populations over time. Using maps drawn from vertical aerial photographs of Adelie Penguin colonies in the Mawson region, pair density ranged between 0.1 and 3.1 pairs/m2, with a mean of 0.63 - 0.3 pairs/m2. Colony area explained 96.4% of the variance in colony populations (range 90.4 - 99.6%) for 979 colonies at Mawson. Mean densities were not significantly different among the 19 islands in the region, but significant differences in mean pair density were observed among colonies in Mawson, Whitney Point (Casey, East Antarctica) and Cape Crozier (Ross Sea) populations. This work was completed as part of ASAC project 1219 (ASAC_1219). The fields in this dataset are: Island Latitude Longitude Date Colony area Breeding Pairs Breeding Pairs per square metre Area per nest Number of nests Number of adults&rft.creator=WOEHLER, ERIC &rft.date=1999&rft.coverage=northlimit=-60.0; southlimit=-70.0; westlimit=45.0; eastLimit=75.0; projection=WGS84&rft.coverage=northlimit=-60.0; southlimit=-70.0; westlimit=45.0; eastLimit=75.0; projection=WGS84&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_AAT_APen_M_Area when using these data.&rft_subject=biota&rft_subject=oceans&rft_subject=BIRDS&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/VERTEBRATES&rft_subject=PENGUINS&rft_subject=POPULATION DYNAMICS&rft_subject=BIOSPHERE&rft_subject=ECOLOGICAL DYNAMICS&rft_subject=SPECIES/POPULATION INTERACTIONS&rft_subject=ADELIE PENGUINS&rft_subject=ANTARCTICA&rft_subject=AREA&rft_subject=BREEDING PAIRS&rft_subject=COLONIES&rft_subject=COLONY AREA&rft_subject=DATE&rft_subject=ISLAND&rft_subject=LATITUDE&rft_subject=LONGITUDE&rft_subject=MAWSON&rft_subject=FIELD SURVEYS&rft_subject=FIELD INVESTIGATION&rft_subject=OBIS > OCEAN BIOGEOGRAPHIC INFORMATION SYSTEM&rft_subject=COML > CENSUS OF MARINE LIFE&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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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_AAT_APen_M_Area when using these data.

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Brief description

The relationship between colony area and population density of Adelie Penguins Pygoscelis adeliae was examined to determine whether colony area, measured from aerial or satellite imagery, could be used to estimate population density, and hence detect changes in populations over time. Using maps drawn from vertical aerial photographs of Adelie Penguin colonies in the Mawson region, pair density ranged between 0.1 and 3.1 pairs/m2, with a mean of 0.63 - 0.3 pairs/m2. Colony area explained 96.4% of the variance in colony populations (range 90.4 - 99.6%) for 979 colonies at Mawson. Mean densities were not significantly different among the 19 islands in the region, but significant differences in mean pair density were observed among colonies in Mawson, Whitney Point (Casey, East Antarctica) and Cape Crozier (Ross Sea) populations. This work was completed as part of ASAC project 1219 (ASAC_1219). The fields in this dataset are: Island Latitude Longitude Date Colony area Breeding Pairs Breeding Pairs per square metre Area per nest Number of nests Number of adults

Issued: 1999-10-07

Data time period: 1972-11-17 to 1988-12-20

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75,-60 75,-70 45,-70 45,-60 75,-60

60,-65

text: northlimit=-60.0; southlimit=-70.0; westlimit=45.0; eastLimit=75.0; projection=WGS84

Subjects
ADELIE PENGUINS | ANIMALS/VERTEBRATES | ANTARCTICA | AREA | BIOLOGICAL CLASSIFICATION | BIOSPHERE | BIRDS | BREEDING PAIRS | COLONIES | COLONY AREA | COML > CENSUS OF MARINE LIFE | CONTINENT > ANTARCTICA | DATE | EARTH SCIENCE | ECOLOGICAL DYNAMICS | FIELD INVESTIGATION | FIELD SURVEYS | GEOGRAPHIC REGION > POLAR | ISLAND | LATITUDE | LONGITUDE | MAWSON | OBIS > OCEAN BIOGEOGRAPHIC INFORMATION SYSTEM | PENGUINS | POPULATION DYNAMICS | SPECIES/POPULATION INTERACTIONS | biota | oceans |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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