La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Do meadow birds profit from agri-environment schemes in Dutch agricultural landscapes?
Auteurs :	Angela Breeuwer, Auteur ; Frank Berendse, Auteur ; Frank Willems, Auteur ; Ruud Foppen, Auteur ; Wolf Teunissen, Auteur ; Hans Schekkerman, Auteur ; Paul Goedhart, Auteur
Type de document :	Article
Dans :	Biological Conservation (142(12) DEC 2009)
Article en page(s) :	2949-2953
Langues:	Anglais
Résumé :	Since 1992 the European Union helps member states to reverse the loss of biodiversity in agricultural landscapes by the financial support of agri-environment schemes. Long-term studies investigating the effects of these schemes are an essential prerequisite for the development of an effective policy to restore biodiversity on farmland. In Dutch meadow landscapes almost all agri-environment schemes focus on the restoration of meadow bird populations by postponement of the mowing date. Between 1990 and 2002 we measured long-term changes in meadow bird densities in areas with and without agri-environment schemes in the Netherlands, both before and after the start of the contract. During these years bird territories were surveyed during five field visits between 15 March and

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