Groundwater bodies on Auvergne-Rhône-Alpes

The body of water is the elementary territorial division of the Aquatic Environments intended to be the evaluation unit of the Water Framework Directive. This layer concerns groundwater水体是水生环境（Aquatic Environments）的基本地域单元，被设定为水框架指令（Water Framework Directive）的评估单元。该图层涉及地下水。