Valuable open areas

This national dataset contains valuable open areas that provinces have designated. This dataset is used for the Nature Information Map (IKN). The IKN is an initiative of the joint provinces and offers a national and up-to-date picture of where rules apply to nature.本国家级数据集收录了各省份划定的具有保护价值的开放自然区域。本数据集服务于自然信息地图（Nature Information Map，缩写IKN）。该地图由多省份联合发起，旨在呈现覆盖全国且实时更新的自然保护规则适用区域分布情况。