首页   按字顺浏览 期刊浏览 卷期浏览 A review of ivory exploitation and elephant population trends in Africa
A review of ivory exploitation and elephant population trends in Africa

 

作者: C. A. SPINAGE,  

 

期刊: African Journal of Ecology  (WILEY Available online 1973)
卷期: Volume 11, issue 3‐4  

页码: 281-289

 

ISSN:0141-6707

 

年代: 1973

 

DOI:10.1111/j.1365-2028.1973.tb00093.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

SummaryA brief review of published data is presented, outlining the intensive exploitation of African elephants for ivory. Records suggest that this began in the early seventeenth century in western Africa, and that hunting pressure was sufficient to eliminate, or drive out, populations over wide areas. In eastern Africa intensive exploitation ensued between 1840 and 1890, leading to a sudden collapse of the ivory supply from over‐exploitation. Subsequent protection has apparently enabled surviving elephants to enter an exponential phase of population increase. Elephant population cycles, if they can be shown to have occurred, are probably reflections of over‐exploitation, followed by population recovery when hunting was no longer profitable. If cycles of scarcity and abundance were a natural feature of elephant populations, then they could have been masked by the intensity of hunt

 

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