Format:
III, 36 S. : zahlr. Kt.
ISBN:
0642149208
Series Statement:
ANARE research notes 71
Content:
Aerial photographic surveys of Adélie penguins, Pygoscelis adeliae, were undertaken in January 1982 and December 1988 at Mawson and the Rookery Islands group (Specially Protected Area (SPA) 2), Mac.Robertson Land. Twenty-three islands were photographed. Comparisons with census data collected in 1972-73 indicate a 15% increase in the number of Adélie penguins breeding in the area, from approximately 71 500 ± 7620 pairs in 1972-73 to at least 82 500 ± 8250 pairs in 1988-89. The population on Rookery Island, within the SPA, increased by 46% between 1972-73 and 1988-89, representing almost 85% of the total increase recorded for the entire SPA. The populations on islands near Mawson appear to have remained stable. These results highlight the value of long-term, annual monitoring efforts to explicate population changes.
Note:
MAB0014.001: ZSP-124-71
,
Literaturverz. S. 36. - Alte Signatur: A0 5746/71
In:
ANARE research notes