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Field work

Inventory, Manual & Chemical control

The Sea to Sky Invasive Species Council carries out inventory, control and monitoring of invasive species across various jurisdictions in the corridor.   


The first step in any invasive species management plan is to compete an inventory. Knowing what invasive species you have and where are essential when setting priorities for taking action. The majority of the initial inventory in the corridor happened in 2010 with funding from the provincial and federal governments to hire a 'Hot Spots' crew. All inventory work done in the corridor and across BC is entered into a public database, and can be accessed by following the link to the Invasive Alien Plant Program (IAPP).




Manual control

All our control work is done manually, with the exception of Japanese knotweed.  Manual control strategies include pulling, cutting, digging, mowing and excavating.  To learn about control strategies for different plants see our Guide to Identification & Management.




Hogweed crew

Chemical control

We use a combination of manual and chemical control for the treatment of Japanese knotweed, an extremely agressive and destructive species.  Chemical control options include stem injection (photo), cut and fill as well as backpack foliar spray.  All our control work is completed by Certified Pesticide Applicators. 

When does the risk of an enormous detrimental impact on human safety, environmental health and the economy outweigh the risk from potential herbicide contamination?  As a society we need to weigh all the risks and develop best management practices.  More...

On crown land we follow all protocol in the Pest Management Plan for the South Coast, which also has a very informative backgrounder

The Material Safety Data Sheet (MSDS) for the glyphosate product we use can be found here.

Frequently asked questions on the use of glyphosate can be found here.



Stem injection of knotweed




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