Invasive phragmites are taking over Ontario’s wetlands, choking out native plants and wildlife.‪ But a team of dedicated ...

Efforts are continuing to battle the spread of the invasive water chestnut plant in the Oswegatchie River, Black Lake and most recently, the St. Lawrence River. Brad Baldwin, a professor of biology at ...

Officials said the crab was a large male that could have been introduced illegally into the river by a person or by ballast water from a ship. Chinese mitten crabs are an invasive species that are ...

When a ship dumps that water, it can introduce an invasive species to a new environment. Biologists are working with other agencies to find out if there are more mitten crabs in the Columbia River.

able to survive in habitats with less calcium and higher water temperatures than other invasive species like quagga mussels. Adult golden mussels range in size from 1/2 to 2 inches. Once ...