Early Detection

Once any aquatic invasive becomes established in a waterbody, it is incredibly difficult, if not impossible, to eradicate. However, if caught early, eradication efforts may be possible. Spread prevention strategies rely on up-to-date knowledge of aquatic invasive species populations so that water users are aware of what species exist where, and precautions they should take so that these species are not spread further. Early detection efforts are a cornerstone of any comprehensive plan and play a huge role in the success of invasive species management programs.

Volunteers search for invasive aquatic plants
Volunteers search for invasive aquatic plants on a Vermont lake.

Vermont's Agency of Natural Resources spearheads early detection and monitoring activities in Vermont, supported by other organizations and a dedicated army of volunteers. There are plenty of ways for you to get involved in aiding early detection efforts in Vermont:

Aquatic invasive species map of vermont

Part of successful early detection efforts involves knowing where invasive species are currently found, and what locations would represent a new population. The map below shows all of the documented infestations of high-priority invaders in Vermont waterbodies. The map also includes associated management actions and spread prevention efforts statewide. The navigation menu found in the upper left can be used to filter the map based on the following layers: Public Access Greeter Programs, Vermont Invasive Patroller programs, AIS signage and public access information, AIS control efforts, and AIS status by waterbody. The AIS status by waterbody layer indicates known populations of high-profile AIS, and those waters where no AIS has been confirmed by DEC staff. Each map symbol/waterbody delineation can be clicked to provide further details. For convenience, the open box symbol in the upper right allows the map to be viewed in a full-screen window.