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20120106-OC-AMW-0204 | by USDAgov
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A sign posted in the San Isabel and Gunnison National Forests, Colorado on June 12, 2012 warns boaters about invasive aquatic species. A species is considered invasive it is nonnative to the ecosystem and its introduction causes or is likely to cause economic or environmental harm or harm to human health. The goal of the U.S. Department of Agriculture’s (USDA) Forest Service (FS) invasive species program is to reduce, minimize, or eliminate the potential for introduction, establishment, spread, and impact of invasive species across all landscapes and ownerships. USDA photo by Bob Nichols.


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Taken on June 13, 2008