La Tour du Valat

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Farmland birds and late winter food: does seed supply fail to meet demand?

Gavin M. Siriwardena, Auteur ; Neil A. Calbrade, Auteur ; Juliet A. Vickery, Auteur

Dans Ibis (150(3) JUL 2008)

Poor overwinter survival caused by low food availability represents the most likely mechanism behind the decline, and failure to recover, of many farmland passerine populations. Management to enhance food resources is now in place via agri-envir[...]

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