Freshwater ecosystems in Canada and around the world ... For example, ballast water release from cargo ships delivered more than half of all non-native species known in the Great Lakes.

New thresholds could be crucial because salt can throw entire ecosystems out of balance. It damages aquatic biodiversity, affecting plankton, fish, amphibians and plants. Salt doesn’t have to kill off ...

A new study published in Knowledge and Management of Aquatic Ecosystems showcases how untreated wastewater released into the ...

The volumes of aquatic ecosystems affected by oxygen depletion have increased dramatically across all types. "Aquatic deoxygenation is closely linked to changes in climate and land use," said Rose.