Coordinate management strategies to preserve natural areas, prevent coastal risks and sustainably manage coastal land. SRADDET 2020

Polygon schematizing the "coastal area" Hauts-de-France, coastal area to be managed sustainably. This data is the fixed representation on the voting date of the SRADDET (approved by prefectural order on August 4, 2020)勾勒上法兰西大区（Hauts-de-France）"沿海区域"的示意性多边形图层，该区域需实施可持续化管理。本数据为SRADDET于表决当日的固化表述版本，该方案已于2020年8月4日经法国省长行政令批准。