重视可持续发展的森林管理 俄州最富饶的资源便是森林。森林面积居全国第二，达 1124万公顷。森林覆盖率达 60％。每年向世界提供 1.4亿立方米的木材，居全美首位，比其他任何一个州产量的 2倍还要多。这样的需求对私人和州属森林所有者保护生态环境提出了巨大的挑战。 1972年 Focus on Sustainable Forest Management The richest resource in the state is the forest. The forest area ranks second in the country, reaching 11.24 million hectares. Forest coverage rate of 60%. Each year to provide the world with 140 million cubic meters of timber, ranking first in the United States, more than twice the output of any other state. Such needs pose a huge challenge to the private and state forest owners in protecting their environment. 1972