[Census of harriers in the Beauce area of Loir et Cher [France] during the reproduction season 1987 [Montagu's harrier (Circus pygargus), marsh harrier (Circus aeruginosus), hen harrier (Circus cyaneus)]]
1990
Lett, J.M. (Federation Departementale des Chasseurs du Loir et Cher, Blois (France)) | Perrot, M.
AGROVOC关键词
书目信息
页码
pp. 16-20
其它主题
Densite de population/ enquete; Pajaros depredadores; Population density/ surveys; Densidad de la poblacion/ encuestas
语言
法语
注释
9 ref.
1992-08-15
AGRIS AP
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