Gridded Species Distribution: Global Amphibian Richness Grids, 2015 Release

The 2015 Release of the Global Amphibian Richness Grids data set of the Gridded Species Distribution collection are aggregations of the presence grids data for the entire class, individual families, and International Union for the Conservation of Nature (IUCN) Red List status categories. The data are available in 30 arc-second (~1 km) resolutions. The grid cell values represent the number of species in a particular class, family or IUCN threatened category. The input vector layers are based on the IUCN Red List and the grids are compiled by the Columbia University Center for International Earth Science Information Network (CIESIN). The data from IUCN were downloaded in April 2013.

2015年发布的全球两栖动物丰富度网格数据集，隶属于网格物种分布集合，是对整个纲、单个科以及国际自然保护联盟（IUCN）红色名录状态分类的分布网格数据的汇总。数据以30弧秒（约1公里）的分辨率提供。网格单元的值代表特定类、科或IUCN受威胁类别的物种数量。输入矢量层基于IUCN红色名录，网格由哥伦比亚大学国际地球科学信息网络中心（CIESIN）编制。IUCN的数据于2013年4月下载。