期刊
ANIMAL CONSERVATION
卷 14, 期 2, 页码 124-130出版社
WILEY
DOI: 10.1111/j.1469-1795.2010.00400.x
关键词
Loxodonta africana; crop raiding; human-elephant conflict; molecular sexing; fecal glucocorticoids
资金
- University of Missouri Research Board
- Liz Claiborne and Art Ortenburg Foundation
Crop raiding is one of the most common forms of human-elephant conflict. Deterring elephants from raiding crops requires an understanding of the factors influencing the behavior of the individuals involved. We collected fecal samples from five group ranches in southern Kenya where crop-raiding incidents had occurred (n=10) and two protected areas, Amboseli National Park (n=24) and Maasai Mara National Reserve (n=20). We used molecular sexing to sex the individuals and radioimmunoassay kits to determine the level of glucocorticoid metabolites (i.e. stress hormones) in their dung. All crop-raiding individuals were male and had a significantly elevated concentration of glucocorticoid metabolites as compared with the Amboseli elephants (W=12, P=0.0005). We detected no significant difference between Maasai Mara elephants and either Amboseli or the crop-raiding elephants when just males were compared. Our results suggest that crop raiding may be related to stress in elephants.
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