Map Viewing Service (WMS) of the dataset: Linear stake of a PPRT from Mesnil Saint Nicaise and Nesle

Generally speaking, the stakes are people, property, activities, cultural or environmental heritage elements, threatened by a hazard and likely to be affected or damaged by it. The sensitivity of an issue to a hazard is called “vulnerability.”This object class brings together all the issues that have been addressed in the RPP study. An issue is a dated object whose consideration depends on the purpose of the RPP and its vulnerability to the hazards studied. A PPR issue can therefore be considered (or not) depending on the type or types of hazard being addressed. These elements form the basis of knowledge of the land cover necessary for the development of the RPP, in the study area or near it, at the time of the analysis of the issues. The data on the issues represent a photograph (figential and not exhaustive) of the property and of the people exposed to hazards at the time of the development of the risk prevention plan. This data is not updated after approval of the RPP. In practice they are no longer used: the issues are recalculated as necessary with up-to-date data sources.

一般而言，风险受体（stakes）指受灾害威胁、并可能因此遭受影响或损毁的人员、财产、活动、文化或环境遗产要素。某一对象对灾害的敏感程度被称为‘易损性（vulnerability）’。本对象类涵盖了风险预防计划（RPP）研究中涉及的全部对象。所谓‘对象（issue）’，是指带有时间标记的实体，其是否被纳入考量取决于风险预防计划的目标，以及其针对所研究灾害的易损性。因此，PPR对象是否可被纳入考量，取决于当前所应对的灾害类型。在开展对象分析时，研究区域及其周边范围内用于制定风险预防计划所需的土地覆盖相关知识基础，即由这些要素构成。本对象相关数据，展现了风险预防计划制定时，受灾害威胁的财产与人员的示例性（而非穷尽式）快照。该数据在风险预防计划获批后不再更新。实际应用中该数据亦不再被直接使用，而是会根据需求，通过最新数据源重新计算得到对应的对象信息。