Coarse Range Maps for Fish Species in the Conterminous United States using HUC8s (ver. 2.0, December 2024)

This USGS data release documents coarse ranges for 257 fish species in the conterminous United States for level 8 hydrologic units from the Watershed Boundary Dataset...美国地质调查局（United States Geological Survey，USGS）本次发布的数据集合，记录了美国本土范围内257种鱼类的大致分布范围，其分布范围匹配取自流域边界数据集（Watershed Boundary Dataset）的8级水文单元。