Precious heritage: the status of biodiversity in the united states
Éditeur :
Oxford University Press Inc
ISBN :
9780195125191
Date de publication :
23 mars 2000
Dimensions :
28,2 x 22,4 x 3,6 cm
Poids :
1928 g
Langue :
Anglais
Pays d'origine :
USA
The United States harbours an array of ecosystems which in turn sustain a variety of plant and animal life. This illustrated volume considers how species and ecosystems are faring, what is threatening them, and what is needed to protect the United States' remaining natural heritage.