Silence areas

This national dataset contains quiet areas that provinces have designated. This dataset is used for the Nature Information Card (IKN). The IKN is an initiative of the joint provinces and offers a national and up-to-date picture of where rules for nature apply.本国家级数据集收录各省划定的宁静区域，用于自然信息卡（Nature Information Card，IKN）。自然信息卡系多省份联合发起的项目，可呈现全国范围内自然保护规则适用范围的最新全貌。