River flow and upstream movement and catch of migratory salmonids†
作者:
John S. Alabaster,
期刊:
Journal of Fish Biology
(WILEY Available online 1970)
卷期:
Volume 2,
issue 1
页码: 1-13
ISSN:0022-1112
年代: 1970
DOI:10.1111/j.1095-8649.1970.tb03250.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Six years' data from the River Coquet together with published information for other British rivers show that upstream migrant salmon and sea trout tend to be intercepted at counting fences and be caught on rod and line when river flows are somewhat higher than average and not when they are at their extreme values, though there is no particular river flow favoured all the year round. In years of highest river discharge the number of fish entering the River Coquet and the number of fish caught on rod and line are highest but the efficiency of angling is lowest.
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