Species sensitive to environmental conditions whose health and populations indicate ecosystem well being.

List of invasive plant species in Maine with pictures, biology, and other information.

Learn about the the environmental impacts of the green crab, an invasive species, and KELT’s monitoring efforts.

Interactive map of Maine waterways, with fish spawning data, dam locations, and more.

Information about KELT’s Alewife counting program at the Nequasset Lake fish ladder in Woolwich.

The iNaturalist mobile app allows you to document organisms, make observations, share and view data when in nature.

Observe and record seasonal changes in your natural community with this volunteer based program through the University of Maine.

Volunteer water quality sampling program monitoring temperature, dissolved oxygen, pH, and plankton in Georgetown and Phippsburg.