Map visualisation service (WMS) of the dataset: N_PERIMETRE_PPRN_20140396_S_032

Perimeter of the Plan for the Prevention of Natural Risks Withdrawal of the Argiles of the commune of Mauvezin in the department of Gers. This dataset contains the boundaries at the different stages of the development of the PPR. The characteristic of such perimeters is to be the consequence of an official act and to produce their effects from a defined date. This is the:- prescribed perimeter set out in the prescription order of a PPR;- perimeter of exposure to risks that corresponds to the perimeter regulated by the approved RPP, this approved perimeter is equivalent to utility easement;- study area which corresponds to the envelope in which the hazards were studied.热尔省（Gers）莫沃赞市镇黏土层自然风险预防退用计划的边界。 本数据集涵盖了自然风险预防计划（Plan for the Prevention of Natural Risks，缩写PPR）不同编制阶段的边界范围。此类边界的核心特征为：均由官方公文正式确立，并自指定生效日期起产生法律效力。本数据集包含三类边界： - 法定规定边界：即自然风险预防计划（PPR）审批令中载明的法定边界； - 风险暴露边界：对应经核准的风险预防计划（Risk Prevention Plan，缩写RPP）所规制的风险暴露范围边界，该核准边界等同于公用地役权； - 研究区域边界：即开展灾害风险研究所覆盖的范围边界。