LIBROS DEL AUTOR: david wgibbons

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  • Bird Monitoring Methods
    David W. Gibbons / David WGibbons / Gillian Gilbert / Julianne Evans
    First published by the RSPB in 1998, this book is a practical guide to surveying and monitoring techniques for use in the breeding season - in assessing breeding success as well as population levels - and during the winter. It gives instructions for more than 120 UK bird species, mainly those of conservation concern. Methods used in the UK’s main national bird monitoring scheme...
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    74,02 €