Censuses of penguin, blue-eyed shag, and southern giant petrel populations in the Antarctic Peninsula region, 1994–2000

Abstract This paper presents new census data and population estimates for penguins, blue-eyed shags, and southern giant petrels from 26 sites in the Antarctic Peninsula, collected by the Antarctic Site Inventory from 1994 to 2000. For nine sites, population data or estimates are published for the fi...

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Bibliographic Details
Published in:Polar Record
Main Authors: Naveen, Ron, Forrest, Steven C., Dagit, Rosemary G., Blight, Louise K., Trivelpiece, Wayne Z., Trivelpiece, Susan G.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 2000
Subjects:
General Earth and Planetary Sciences
Ecology
Geography, Planning and Development
Antarctic
The Antarctic
Antarctic Peninsula
Gourdin
Gourdin Island
Antarc*
Blue Eyed Shag
Gentoo penguin
Giant Petrel
Giant Petrels
Polar Record
Online Access:http://dx.doi.org/10.1017/s0032247400016818
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400016818
Description
Summary:Abstract This paper presents new census data and population estimates for penguins, blue-eyed shags, and southern giant petrels from 26 sites in the Antarctic Peninsula, collected by the Antarctic Site Inventory from 1994 to 2000. For nine sites, population data or estimates are published for the first time. The newly discovered gentoo penguin population of 215 nests at Herofna Island (63°24'S, 54°36'W) represents the easternmost location where this species has been found breeding in the Peninsula. All three pygoscelid penguins — gentoo, Adelie, and chinstrap — were found breeding at Gourdin Island (63° 12'S, 57° 18'W), the fourth known site where these species nest contiguously in the Peninsula. During the period, significant declines in nesting populations of blue-eyed shag were documented at three northwestern Peninsula locations.

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