Invaders
Many non-native plants, animals and microscopic organisms have been introduced into the Great Lakes since the early 1800s, either accidentally or intentionally. Many non-native species are considered invasive, as they are free from natural predators, reproduce rapidly and aggressively compete with native species.
Invasive species disrupt the aquatic food web by reducing habitat or food for native species and/or by preying directly upon native species. Invasive species are often called “biological pollutants.” Invasive species can affect property values, and influence economies of water-dependent communities. They are costly to manage and have led to a severe loss of biodiversity in Michigan, the Great Lakes region and throughout the world.
Discover what you can do to prevent and manage the spread of non-native species. See: Help
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