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Article
P. F. Donald, Auteur ; A. D. Evans, Auteur ; D. L. Buckingham, Auteur ; L. B. Muirhead, Auteur ; J. D. Wilson, AuteurThe distribution of breeding Skylarks on lowland farmland was examined on a monthly basis oil 13 farms in southern England in 1996. General linear models identified crop type and field area, drape and boundary characteristics as significant inde[...]
Article
A. E. Beresford, Auteur ; G. M. Buchanan, Auteur ; P. F. Donald, Auteur ; S. H. M. Butchart, Auteur ; L. D. C. Fishpool, Auteur ; C. Rondinini, AuteurProtected Areas (PAs) form a core component of efforts to conserve biodiversity, but are designated for a variety of reasons. We assessed the effectiveness of PAs in covering the ranges of 157 globally threatened terrestrial bird species in main[...]
Article
P. F. Donald, Auteur ; M. De Ponte, Auteur ; M. J. P. Groz, Auteur ; R. Taylor, AuteurIn October 2001, the world population of Raso Lark Alauda razae, confined to the uninhabited, and islet of Raso in the Cape Verde Islands, was estimated at between 128 and 138 birds, of which 61-66% were males. The biased sex ratio was confirmed[...]
Article
P. F. Donald, Auteur ; M. D. Brooke, Auteur ; M. R. Bolton, Auteur ; R. Taylor, Auteur ; C. E. Wells, Auteur ; T. Marlow, Auteur ; S. M. Hille, AuteurThe global population of the Critically Endangered Raso Lark Alauda razac was estimated in January 2003 at 93-103 birds and in November 2003 at 76-87 birds. Of these, only 25-35% were females. Counts were based on observations of individually co[...]
Article
R. L. Roberts, Auteur ; P. F. Donald, Auteur ; R. E. Green, AuteurThere is an urgent need to develop simple and inexpensive methods for monitoring wildlife populations in resource-poor countries. List-based methods have been advocated as simple yet potentially useful biodiversity monitoring tools, and systems [...]
