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Advanced tools help our scientists detect native and invasive species in Lake Ontario and the St. Lawrence River.

The North American Invasive Species Management Association (NAISMA) announces a new addition to its Certified Weed Free Products Program: weed free mulch. Many federal, state, and local lands require the use of certified weed free forage, gravel, or mulch on their properties because invasive plants or noxious weeds cause serious harm to the environment, agriculture, and the economy. Once introduced, weeds can be difficult to control and expensive to manage.

Maryland renamed the northern snakehead to the Chesapeake Channa in April 2024. The name change aims to increase public interest in eating the fish and control its population. The Maryland Department of Natural Resources will begin changing the name on January 1, 2025.
See also: Senate Bill 207 / House Bill 19