We received a lot of great questions about Gypsy Moth caterpillars, which seemed to be everywhere in late spring. Gypsy Moths are an introduced species that go through three- to four-year population booms, and we… Continue Reading
If you’ve taken a trip to Rattray Marsh Conservation Area lately you’ll immediately notice the poor state of the lowland forest on the property. This was caused by the now well-documented invasive insect, Emerald Ash… Continue Reading
If you would like to get involved with our volunteers in 2019 check out our event calendar! Download a PDF here.
What can grow through asphalt, survive after being underwater and withstand temperatures of -30 degrees Celsius? It’s not a villain from a superhero movie. It’s the invasive plant Japanese knotweed. Most plants and animals introduced… Continue Reading
Beneath the surfaces of North America’s rivers, fish are fighting a war. For over 100 years, sea lampreys (Petromyzon marinus) have been ambushing and killing fish in the Great Lakes. Lampreys are 30 to 76… Continue Reading
Native plant and wildlife species need our help in the fight against invasives. Invasive species are not native to the Credit River watershed and have negative effects on native species, ecosystems and the economy. These… Continue Reading
The Round Goby, an invasive fish species, was detected in the upper reaches of the WestCreditRiver, near the village of Hillsburgh. The discovery was made by CVC’s watershed monitoring crew in late August of 2013…. Continue Reading
Known to many as Mississauga’s ecological gem, Rattray Marsh has seen a steady invasion of non-native carp over the decades, destroying the native ecosystem. Throughout the spring, CVC blocked and removed hundreds of carp from… Continue Reading