USFS F. 2008. Forest Inventory and Analysis National Program.

FIA reports on status and trends in forest area and location; in the species, size, and health of trees; in total tree growth, mortality, and removals by harvest; in wood production and utilization rates by various products; and in forest land ownership. FIA is managed by the Research and Development organization within the USDA Forest Service in cooperation with State and Private Forestry and National Forest Systems. FIA has been in operation under various names (Forest Survey, Forest Inventory and Analysis) for some 70 years. We cover forests on all forest lands within the US. Keywords:森林资源清查与分析（Forest Inventory and Analysis，简称FIA）能够报告林区面积与分布的现状及变化趋势、林木种类、规格与健康状况、林木总生长量、死亡率及采伐移除量、各类木材产品的生产与利用率，以及林地所有权情况。该项目由美国农业部林务局（USDA Forest Service）下属的研发机构管理，并与州立私有林业部门、国家森林系统开展合作。FIA曾以森林调查、森林资源清查与分析等多个名称运营，至今已有约70年历史。其调查覆盖美国境内所有林区的林地资源。 关键词：