美国森林可持续经营的思想，是在总结历史教训中逐步树立起来的。在欧洲移民进入北美大陆之前，美国森林资源十分丰富，尤其是东部阿巴拉契亚山脉、西部的喀斯喀特山脉和洛基山脉到处是莽莽林海。欧洲移民大量涌入美国后，受当时生产力水平的限制，建房伐薪、毁林开垦、刀耕火 The idea of ​​sustainable forest management in the United States is gradually established in summing up historical lessons. Before European immigrants entered the North American continent, the United States had very rich forest resources, especially the Appalachian Mountains in the east, and the Cascades and the Rocky Mountains in the west were flooded with vast stretches of forest. After the massive influx of European immigrants into the United States, the current level of productivity constraints, housing cut salary, deforestation reclamation, slash and burn