What? Invasive species are non-native species that spread easily, displacing native plants or animals.

Why are they harmful? They out-compete native species and as a result, decrease the variety of plants and wildlife.

How do invasive species affect the White Clay? Currently, there is an abundance of plants and animals native to the region and the White Clay Creek, including 33 species of small mammals, 21 species of fish, 27 species of reptiles and amphibians, and over 90 species of breeding birds.  Invasive plants, fish, and other organisms are harmful in the White Clay because they take over native species' habitat and decrease the variety of species. For example, oriental bittersweet is an invasive species in our region. Its out-of-control growth can smother and eventually kill the tree or shrub on which it grows.  An increase in invasive species in the White Clay would eventually decrease the White Clay's variety of plants and wildlife. 

What can we do?

• Clean hiking boots and shoes and any equipment used in hiking to prevent the spreading of any species
• Report any sightings of invasive species to natural resource managers in the area
• Volunteer (with our reforestation maintenance team, or try your municipality, or Friends of the White Clay Creek State Park) to help remove the invasive species in your area
  • Participate in Weed Out! At White Clay Creek State Park and help remove invasive species. Click here for more information
    
• Ask one of your local representatives to support efforts to remove invasive species
• Visit The Delaware Invasive Species Council website or Delaware Noxious Weed Program website to get more information on steps you can take to prevent and remove invasive species in your area
• Learn about invasive species in your area and native species that can replace them:

• Read "Backyard Invaders" that talks about invasive species in our area and "Plants for a Livable Delaware" that talks about native plants that are a good substitute for removed invasive species