Monarch Butterfly US Conservation Units
收藏US Fish and Wildlife Service Open Data2026-03-28 收录
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https://gis-fws.opendata.arcgis.com/datasets/fws::monarch-butterfly-us-conservation-units
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<div style='text-align:Left;'><div><div><p><font face='Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif'><span style='font-size:16px;'>This data layer was created to delineate the approximate boundaries of areas important to monarch butterfly populations across the contiguous United States. These boundaries were created as part of a species status assessment (SSA) done by the US Fish and Wildlife Service. Different monarch populations, or different portions a population's range, may have different conservation needs. These ranges will be used to distinguish and prioritize needs across the range of monarch butterflies.</span></font></p><p><font face='Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif'><span style='font-size:16px;'>The intended display scale for this file is 1:500,000. The boundary information is for visual display at appropriate small scales only. Cartographic boundary files should not be used for geographic analysis including area or perimeter calculation. Files should not be used for determining precise geographic area relationships.</span></font></p></div></div></div>
提供机构:
U.S. Fish and Wildlife Service, Region 3 Ecological Services



