“The two great destroyers of biodiversity are, first habitat destruction and, second, invasion by exotic species.” –E.O. Wilson
The spread of invasive species is recognized as a major factor contributing to ecosystem change and instability leading to biodiversity reduction. Preventing non-native invasives from becoming established has a much better rate of success than eliminating the species once it is established. At the Apostle Islands, both aquatic and terrestrial species continually threaten the park. From microscopic organisms to large trees, the potential is always there for non-native species to invade and overtake the fragile ecosystems that make the lakeshore a popular destination for hikers, boaters, and sightseers alike.
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Non-native invasive species
What can be done?
Spreading non-native invasive species
Apostle Islands National Lakeshore non-native species reports
Did You Know?
There are actually 22 Apostle Islands (not 12, as might be implied by the name "Apostle"). All but one are included in the national lakeshore.