Level III Ecoregions of New York

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and...各州的生态区（ecoregions）提取自无缝拼接的全国矢量Shapefile（shapefile）。生态区指的是生态系统及其类型、质量等方面具有总体相似性的区域……