Simple download service (Atom) of the dataset: Sensitivity Maps — Maps Natural Regions — Hierophis_viridiflavus (Green and Yellow Snake) Simple download service (Atom) of the dataset: Sensitivity Maps — Maps Natural Regions — Hierophis_viridiflavus (Green and Yellow Snake)
收藏资源简介:
Sensitivity maps made by the ODONAT Grand Est network in 2018-2019. The distribution of the species is represented from recent occurrence data (1999-2018 or 2009-2018 by species). These are natural areas in which at least one observation of the species has been carried out in the recent period, as well as natural regions where the species is highly suspected (i.e. experts) or has older data. In each of the natural regions with recent non-marginal observations, this presence is represented by the calculation of the proportion of 1 x 1 km meshes in which the species was observed. For an explanation of the method of calculation, refer to the Natural Regions Map Explanation Sheet. Natural regions identify areas in which abiotic conditions (relief, geology, climate...) are relatively homogeneous. In fact, the observation of a species in a natural region (even at a single location) provides a strong presumption of other favourable habitats elsewhere in the natural region. Any observations shall be taken into account: they can be implanted populations, but also erratic individuals. This layer represents the state of knowledge at the time of its realisation, it should not be considered exhaustive. The presence of the species outside the identified areas is possible. Refer to the card reading instructions as well as PDF cards for more information.
2018至2019年间,由ODONAT大东部大区网络制作的物种敏感性分布图。 本数据集基于近期物种出现记录(针对不同物种分别采用1999-2018年或2009-2018年的观测数据)表征物种分布范围。 此类区域涵盖近期至少存在一次该物种观测记录的自然区域,以及经专家高度推定存在该物种或存有较早观测数据的自然区域。 在存有近期非边缘观测记录的自然区域中,该物种的出现情况通过统计1×1公里网格中观测到该物种的网格占比来表征。如需了解计算方法详情,请参阅《自然区域地图说明手册》。 自然区域指非生物条件(地形、地质、气候等)相对均一的区域。 事实上,只要在某自然区域内(即便仅单个点位)观测到该物种,即可高度推定该自然区域内其他位置亦存在适宜该物种栖息的生境。 所有观测记录均予以纳入:既包括人工引种种群的观测,也涵盖偶见个体的记录。 本图层仅反映制作完成时的认知水平,不应被视为全面详尽的数据集。物种有可能出现在本数据集标注区域之外。 如需获取更多信息,请参阅卡片阅读指南及相关PDF卡片文档。



