WBPHS stratum boundaries
收藏data.gov2026-01-17 收录
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Stratum boundaries from 2000 to present for the Waterfowl Breeding Population and Habitat Survey. This data view presents polygons which represent the stratum...
本数据集为水禽繁殖种群与栖息地调查（Waterfowl Breeding Population and Habitat Survey）配套的2000年至今抽样层（stratum）边界数据。该数据视图展示了代表各抽样层的多边形要素……
