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Invasive species are non-native species that colonize new habitats, outside thier native range.
Although species invasions can occur naturally,
the spread of invasive species is largely facilitated by human activity.

Aquatic Invasive species pose a serious threat to the biodiversity and ecological function to freshwater ecosystems.

Current Threat:

Zebra Mussel is a fingernail sized mollusk native to lakes in Russia and Ukraine.

This invasive species has established itself in the Nelson River ecosystem.