THE INFLUENCE OF WATER TEMPERATURE AND FLOW ON YEAR CLASS STRENGTH OF TWAITE SHAD (ALOSA FALLAX FALLAX) FROM THE RIVER SEVERN, ENGLAND.
Year class strength (YCS) was estimated for the 25 year period between 1972 and 1996. The index (YCS) was based on the mean number of six year old female fish caught per tide (1972-1991) in a net fishery at the start of the freshwater phase of their spawning migration, or predicted from juvenil...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
EDP Sciences
2001-07-01
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Series: | Knowledge and Management of Aquatic Ecosystems |
Subjects: | |
Online Access: | http://dx.doi.org/10.1051/kmae:2001030 |