Research and analysis

皇冠体育app distribution, biology and ecology of shad in south-west England.

This project investigates the current population and spawning status of shad and to develop species monitoring and management plans.

From:
Environment Agency
Published
1 January 2003

Documents

Ref: ISBN 1844321037, LIT 1678

PDF, 4.73 MB, 163 pages

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PDF, 110 KB, 2 pages

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Details

Populations of allis Alosa alosa and twaite shad Alosa fallax had been declining due to poor water quality, low water flows, habitat destruction and degradation and the construction of navigation weirs restricting access to spawning grounds.

Updates to this page

Published 1 January 2003

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