Population demography of northern spotted owls: volume 40
Auteur :
Forsman, Eric
Éditeur :
University of California Press
ISBN :
9780520270084
Date de publication :
21 juil. 2011
Dimensions :
25,4 x 17,8 x 1,3 cm
Poids :
499 g
Format :
Cloth over boards
Langue :
Anglais
Pays d'origine :
USA
The Northern Spotted Owl, a threatened species that occurs in coniferous forests in the western United States, has become a well-known environmental symbol. But how is the owl actually faring? This book contains the results of a long-term effort by a large group of leading researchers to document population trends of the Northern Spotted Owl.