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Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Population size, habitat and endangerment of Rock Bunting Emberiza cia in Lower Franconia 2002
Auteurs :	Ulrich Messlinger, Auteur
Type de document :	Article
Dans :	Ornithologischer Anzeiger (43(3) December 2004)
Article en page(s) :	243-249
Résumé :	In 2002, 28 territories of the Rock Bunting were found in six different breeding areas in the Main and Saale valleys in Lower Franconia. For 21 of these territories, breeding was confirmed or strongly suspected. Two of the territories are located in a newly discovered breeding area. The number of 28 territories marks the highest breeding number of the Rock Bunting in the region since the first report of this species in 1914 (Stadler 1916). In addition, the number of territories also reached a new maximum in 5 of the geographically separated breeding areas. Despite the possibility of former recording deficits, an actual increase of the population is assumed. Almost all of the territories of the Rock Bunting are situated on steep slopes with open dry grasslands and exposed bushes, trees or rocks as perches for singing. Many territories are located in the contact zone between dry grassland and vineyards, particularly in territories with a high density of shrubs and bushes. Up to now, specific management measures (removal of shrubs and bushes, grazing) in the breeding areas of the Rock Bunting were carried out only to a minor extent. In the future, however, they are regarded as being necessary, because shrubs and bushes are increasingly overgrowing the grasslands in the breeding areas. Possible threats and measures of conservation are discussed.

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