Area - population relationships for Adelie Penguin colonies at Mawson.

• Other Authors: AADC (owner), AADC, DATA OFFICER (distributor), AADC, DATA OFFICER (custodian), AU/AADC > Australian Antarctic Data Centre, Australia (hasAssociationWith), Australian Antarctic Data Centre (publisher), Australian Antarctic Division (sponsor), CONNELL, DAVE J. (author), Woehler, E. (originator)
• Format: Dataset
• Language: unknown
• Published: Australian Ocean Data Network
• Subjects: biota; oceans; EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > BIRDS; BIRDS > PENGUINS; ANIMALS/VERTEBRATES; BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > POPULATION DYNAMICS; ADELIE PENGUINS; ANTARCTICA; AREA; BREEDING PAIRS; COLONIES; COLONY AREA; DATE; ISLAND; LATITUDE; LONGITUDE; MAWSON; FIELD SURVEYS; FIELD INVESTIGATION; OBIS > OCEAN BIOGEOGRAPHIC INFORMATION SYSTEM; COML > CENSUS OF MARINE LIFE; AMD/AU; CEOS; AMD; CONTINENT > GEOGRAPHIC REGION > POLAR; Adelie penguin; Antarc*; Antarctica; East Antarctica; Pygoscelis adeliae; Ross Sea
• Online Access: https://researchdata.edu.au/area-population-relationships-colonies-mawson/2822307

Progress Code: completed Statement: Some of the data have been taken from ANARE Research Notes 71 (see reference) - unfortunately there were some errors in this publication, so some data have not been transferred to the dataset. 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