Riparian and saltcedar vegetation zone polygons in the lower Walker River basin, West-Central Nevada

This vector data set represents the riparian and saltcedar generalized vegetation zone polygons in the lower Walker River basin.本矢量数据集（vector data set）涵盖了沃克河下游流域内河岸带与盐雪松（saltcedar）广义植被区的多边形矢量要素。