Virtual Posters
To submit your poster to the APECS Virtual Poster Session, simply fill out the form and upload your poster as a pdf (Maximum File Size is 3 MB) .
Note: If your poster has been presented at a conference, please include the conference information so we can properly acknowledge the original presentation of this work.
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Virtual Posters
POPULATION FLUCTUATION OF PYGOSCELIS PAPUA AND PYGOSCELIS ANTARCTICA, ELEPHANT ISLAND, SOUTH SHETLANDS, ANTARCTICA
Terrestrial
4ª Oficina de Trabalho do INCT-APA
2012
Reproductive population size of both the Gentoo penguin (Pygoscelis papua) and Chinstrap penguin (Pygoscelis antarctica) have changed over de last decades in many sites in the South Shetlands Islands. We evaluated the population sizes of these species on Stinker Point, Elephant Island, South Shetlands, Antarctic, during the breeding season 2009, 2010 and 2011, and we compared with preterit studies. Over the last 40 years, numbers of breeding pairs here have showed fluctuations, with changes of up to 32%. It is possible that these fluctuations are related to the variation in prey availability and/or climate change. However, additional census and demographic surveys in Elephant Island are clearly needed to determine whether the decline represents a long-term trend or random circumstantial fluctuations.
Gentoo penguin, Chinstrap penguin, breeding pairs, abundance
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