미국
BLM OR Treatment Project Areas Polygon Hub
TRT_PROJ_POLY: This dataset represents project areas for land treatments. Treatments for this purpose are defined as human alterations to the landscape for the purpose of natural resource management including; use, enhancement, and protection. Treatment types include Prescribed Fire, Biological, Chemical, Harvest, Mechanical, Revegetation, and Exclosure/protection. A treatment project area represents a larger area that groups together one or more related treatment activities. Examples include: a timber sale that includes many separate harvest polygons, thinning treatments for a resource area for a fiscal year, and reforestation treatments for a specific area.