The First Atlas of Wintering Birds in Britain and Ireland: 1981/82-1983/84.
A dataset of the distribution and abundance of the wintering birds in Britain & Ireland from 1981 to 1984, generated using a list of the species observed and counts of individuals seen within each 10km square over the survey period.
Full details of the methods used in the field, how fieldwork was organised and the interpretation of the maps is provided in the published atlas Lack, P. (1986) The Atlas of Wintering Birds in Britain and Ireland. T. & A.D. Poyser, Calton, or from the British Trust for Ornithology website at www.bto.org/birdatlas/previous/old_methods.htm. Specific queries as they relate to the Republic of Ireland should be made to BirdWatch Ireland at firstname.lastname@example.org
Date range: Jan 1, 1981 - Jan 1, 1984
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