DECREASE IN THE BODY MASS OF WILD RINGTAILED LEMURS AT BERENTY RESERVE IN MADAGASCAR WITH ENVIRONMENTAL CHANGES

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概要

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• We measured the body mass of 76 (in 2006) and 73 (in 2011) wild ringtailedlemurs (Lemur catta) inhabiting the Berenty Reserve in Madagascar. Compared with the datarecorded in 1999 (Koyama et al., 2008), the mean body mass of the adults had decreasedsignificantly. In 2006, the adult females had decreased from 2.27 kg to 1.98 kg, and the adultmales from 2.22 kg to 2.03 kg. In 2011, the body mass of both adult males and females was still1.99 kg. In 2011, the group variations in body mass may have expanded. No sexual differencewas observed in body mass, similar to the data from 1999. Despite their reduced body mass,adult females maintained a high birth rate (73.0% annually), but infant mortality was very high(86.2%) from 2006 to 2011. We discuss these phenomena with reference to environmentalchanges in this reserve.

• 2013-08-31

著者

• Shin'ichiro ICHINO

  (1) Primate Research Institute, Kyoto University(2) Nagoya University of Arts(3) Graduate School of Asian and African Area Studies, Kyoto University(4) German Primate Center(5) Professor Emeritus, Kyoto University(6) School of Policy Studies, Kwansei Gaku

関連論文

• DECREASE IN THE BODY MASS OF WILD RINGTAILED LEMURS AT BERENTY RESERVE IN MADAGASCAR WITH ENVIRONMENTAL CHANGES

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