Invasive Species

Building a forest from the ground up at Rattray Marsh

Building a forest from the ground up at Rattray Marsh

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

Thank you to our 2018 CVC Volunteers

Thank you to our 2018 CVC Volunteers

If you would like to get involved with our volunteers in 2019 check out our event calendar! Download a PDF here.      

This Weed is Knot Our Friend

This Weed is Knot Our Friend

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

Sea Lampreys Sure do Suck!

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

Alien Invasion

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

Round Gobies in the West Credit River

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

The Ghost Carp of Rattray Marsh

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

Clearing Invasive Species from Ray Lawson Valley

It’s not often that you get the chance to grow a community forest from scratch, one sapling at a time. But that is exactly what happened on June 1, in Brampton’s Ray Lawson Valley. Imagine… Continue Reading

Garden Escapees in the Credit River Watershed

Many gardeners have an appreciation and a passion for nature and wildlife. They also know the challenge of keeping weeds under control. Invasive plants are very much like weeds – they may in fact be… Continue Reading

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