Waterbirds in the UK 2004/05

The Wetland Bird Survey (WeBS) is a joint scheme of the BTO, WWT, RSPB, and JNCC to monitor non-breeding waterbirds in the UK. The principal aims of the scheme are to identify population sizes, to determine trends in numbers and distribution, and to identify important sites for waterbirds. This title deals with this subject.

שנה

2006

שפה

English

הוצאה

British Trust for Ornithology

מהדורות

1

עמודים

230

ISBN

9781904870777

מקור הנתונים: Wikidata