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Census of breeding birds in fragmented high-altitude mountain pine forests of...
197 point-count surveys of breeding birds (passerines and picidae) were conducted in 1987 in a high-altitude (1800 to 2400 metres) fragmented pine forest located in the... -
Census of breeding birds in a typical valley of Eastern Pyrenees
In 1981, point count surveys of breeding birds (passerines and picidae) were carried out in the Vanera valley, Eastern Pyrenees, resulting in a data set of 228 counts. These...