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Humans move organisms around all the time. Sometimes when we bring a non-native species into a new area the species will take over and spread rapidly and widely throughout the area. When this happens, the spread can cause major harm to the native ecosystem or humans. When non-native plants, animals, or pathogens rapidly takes over a new location and alter the ecosystem, we consider them invasive species. How do you report invasive species?

Go to http://dnr.wi.gov/topic/invasives/report.html

Aquatic Invasive Species
Terrestrial Invasive Species
Wetland Invasive Species
Aquatic Hitchhikers
Japanese Hops
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