Simple download service (Atom) of the dataset: Perimeters of the Natural Risk Prevention Plan (PPRN) of Saint-Martin-de-Seignanx — Landes (40)

This dataset contains the boundaries at the various stages of the development of the Natural Risk Prevention Plan (NPP). The characteristic of these perimeters is to be the consequence of an official act and to produce their effects from a specified date. This is the following: — prescribed perimeter in the prescription order of a PPRN; — scope of risk exposure that corresponds to the scope regulated by the approved RPP. This approved perimeter is a utility easement (PM1); — scope of study which corresponds to the envelope in which the hazards were studied.本数据集收录自然风险防治计划（Natural Risk Prevention Plan, NPP）编制各阶段的边界范围。此类边界的核心特征为：均由官方公文衍生而来，且自指定生效日期起产生法律效力。 具体包含以下三类边界： — PPRN审批令中载明的法定边界； — 与获批RPP所规制范围相对应的风险暴露范围，该获批边界属于公共用地役权（PM1）； — 风险研究范围，即开展灾害研究所覆盖的研究包络。