Population changes of riparian birds along rivers and canals in the Severn-Trent region between 1989 and 1993.

Author(s): Marchant, J.H. & Gregory, R.D.

Published: January 1994 Issue No.: 148 Pages: 32pp

ISBN: 0-903793-50-4

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Population changes of riparian birds along rivers and canals in the Severn-Trent region between 1989 and 1993.

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