La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Effect of cereal harvesting method on a recent population decline of Corn Buntings Emberiza calandra on the Western Isles of Scotland (2007)
Auteurs :	Jeremy D. Wilson, Auteur ; Jamie Boyle, Auteur ; Digger B. Jackson, Auteur ; Brian Lowe, Auteur ; Nicholas I. Wilkinson, Auteur
Type de document :	Article
Dans :	Bird Study (54 MAR 2007)
Article en page(s) :	362-370
Résumé :	Capsule Population decline since 1995 is associated with the harvesting of cereals as arable silage. Aim To survey Corn Bunting populations on the Western Isles and test whether population changes since 1995 are associated with change in cereal harvesting methods. Methods Twelve areas of machair on the Uists and Benbecula were re-surveyed in 2002, after previous surveys in 1983 and 1995. These and other areas of suitable habitat on these islands, plus Berneray, Baleshare, Vallay, Barra and Vatersay, were surveyed in 2003-05 to provide a breeding population estimate for the Western Isles. Cereal strips in the 12 core survey areas were mapped in 2002 and the timing and method of harvesting of each was recorded. Cattle-feeding stands in

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