
Severn Creek Park & Marsh Conservation Area
In Partnership With Toronto Nature Stewards & Credit Valley Conservation!
June 2023
10:00AM - 1:30PM




Event Details
HNP Canada hosted two brand new invasive species pull events in 2023! We collaborated with two other organizations, Toronto Nature Stewards and Credit Valley Conservation, to provide volunteering opportunities within the GTA by removing invasive garlic mustard plants from ecosystems.
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Invasive species are non-native organisms that have been introduced often due to human activities in an environment they do not naturally belong to. These species can significantly disrupt local ecosystems by outcompeting native species for resources, spreading diseases, or causing habitat degradation. Due to their potential to cause severe ecological damage, removing invasive species as soon as possible is crucial.
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While invasive species are often seen as an environmental problem, their impacts ultimately affect humans as well. They introduce new diseases threatening human health, such as the West Nile virus, and the loss of biodiversity and habitats weakens our connection to nature and may even jeopardize our own living environments. Economically, invasive species contribute to decreased agricultural yields, a declining fishing industry, clogged waterways, and reduced recreational opportunities like camping. Additionally, significant funds must be spent on their control, removal, and prevention, placing further strain on communities and resources.
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​Learning to identify invasive plants like garlic mustard helps manage them on your property. Avoid planting invasives; choose native or non-invasive plants instead, as they support local wildlife. Always dispose of invasive plants in the trash—not compost or natural areas—and when hiking, stay on trails and keep pets leashed to prevent spreading seeds.
Meet Our Partners: Toronto Nature Stewards & Credit Valley Conservation
The Credit Valley Conservation (CVC) is a key environmental organization in Ontario, Canada, focused on protecting and restoring the Credit River watershed through science, education, and community action, including managing conservation areas and addressing natural hazards. Similarly, Toronto Nature Stewards (TNS) is a non-profit dedicated to the ecological restoration of Toronto's ravines and natural areas. TNS achieves this through its stewardship programs, where volunteers, known as stewards, commit to multi-year efforts. These stewards, guided by trained Lead Stewards, actively pick up litter, monitor environmental impacts, remove invasive species, and plant native species to enhance biodiversity and ecosystem health on public lands approved by the City of Toronto.
Finnbar O'Callahan
Keren Bromberg
We Removed Four Different Types of Invasive Plants...

Garlic Mustard

Common Burdock









