National Land Cover Database (NLCD) 2011 Land Cover Conterminous United States

The National Land Cover Database 2011 (NLCD2011) USFS percent tree canopy product was produced through a cooperative project conducted by the Multi-Resolution Land...美国全国土地覆盖数据库2011（National Land Cover Database 2011，NLCD2011）美国林务局（USFS）树木冠层覆盖率百分比产品，由多分辨率土地……牵头开展的合作项目研制生成。