Welcome to the Coastal Invasive Plant Committee

 

Did you know that invasive species are considered to be one of the greatest threats to biodiversity world-wide, second only to habitat loss? Or that in Coastal BC existing invasive non-native (alien) plant infestations are estimated to be in the tens of thousands?

 

Vancouver Island and surrounding coastal communities possess some of the world's most diverse and rare ecosystems and support many rare and endangered species that depend on these unique habitats for their survival. As a gateway to the province, this region has numerous pathways of invasion and countless vectors for invasive plant spread. Many high traffic areas already suffering from intense use are becoming increasingly vulnerable to the exposure of invasive alien plants.

 

Invasive alien plants are brought to Canada, either accidentally or intentionally, and include species like purple loosestrife, Japanese knotweed, and scotch broom, to name just a few. These plants have the ability to establish quickly and are highly competitive due to prolific seed production, deep taproots, or early flowering. Because they arrive in Canada without their natural predators to keep them in balance, they can spread rapidly, forming dense patches over large areas and often displacing native plants.

 

Since animals rarely eat these species, infestations can impact wildlife habitat and rangeland. Invasive plants can have huge economic impacts by competing with desirable agricultural crops and forest plantations. They can also pose significant threats to human health and safety by causing skin irritation or burns and reducing visibility along transportation corridors.

 

The following links provide some information on ecological, economic and global impacts of invasive species:

 

• Ecological impacts click here
  
  
• Economic impacts click here
  
  
• Global perspective click here

 

 

 

 

 

 

 

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