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Some Factors Affecting Drift and Upstream Movements of Gammarus Pulex

 

作者: D. A. Hughes,  

 

期刊: Ecology  （WILEY Available online 1970）
卷期: Volume 51, issue 2  

页码: 301-305

 

ISSN:0012-9658

 

年代: 1970

 

DOI:10.2307/1933668

 

出版商: Ecological Society of America

 

数据来源: WILEY

 

摘要:

Laboratory experiments, conducted within a current chamber, suggest that upstream movements of the amphipod Gammarus pulex, especially in regions of slower current flow, are sufficient to compensate for the downstream displacements of animals by drift. They indicate also that drift was greater in slow—flowing than in faster waters.

 

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