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Occurrence and Utilization of Zooplankton by Juvenile Chinook Salmon in the Lower Columbia River

 

作者: DonovanR. Craddock,   TheodoreH. Blahm,   WilliamD. Parente,  

 

期刊: Transactions of the American Fisheries Society  （Taylor Available online 1976）
卷期: Volume 105, issue 1  

页码: 72-76

 

ISSN:0002-8487

 

年代: 1976

 

DOI:10.1577/1548-8659(1976)105<72:OAUOZB>2.0.CO;2

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The stomachs of juvenile chinook salmon, Oncorhynchus tshawytscha, taken in the Prescott-Kalama area of the Columbia River during July-November 1968 and March-December 1969 were examined to obtain information on their contents. Zooplankton, especially Daphnia, were the major item in the diet of the young salmon from July through October, whereas insects were the most important constitutents of the diet during spring and fall.

 

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