USA Bailey's Ecoregions polygon map and R script for grid sampling
收藏KNB Data Repository2008-01-01 更新2026-05-11 收录
下载链接：
https://knb.ecoinformatics.org/view/doi:10.5063/AA/nceas.935.3
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资源简介：
This package consists of a geo-spatial data file, specifically, an ESRI polygon shape file, containing approximately 1700 polygons depicting the Bailey's Eco Regions classification system. (Consult http://www.nationalatlas.gov/mld/ecoregp.html for a summary of this system). Also included is an R-language script that applies a regularly-spaced point grid on top of the polygon map, and produces a geospatial point file containing samples of the Bailey's region code at each point in the grid.
提供机构：
National Center for Ecological Analysis and Synthesis; National Center For Ecological Analysis And Synthesis
创建时间：
2008-01-01
