BLM Natl AIM Lotic Indicators Hub

This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in...本要素类（feature class）收录了全国范围内采集的监测数据，旨在掌握美国土地管理局（Bureau of Land Management，简称BLM）所辖土地上各类资源的现状、状况与变化趋势。相关数据采集工作于……