Invasive Weeds. Outline 1.Damage 2.Why are these plants such bullies 3.What can you do 4.Jeoprady Flickr- iwona_kellie.

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Presentation transcript:

Invasive Weeds

Outline 1.Damage 2.Why are these plants such bullies 3.What can you do 4.Jeoprady Flickr- iwona_kellie

Weed definition

Invasive weed a non-native plant whose introduction or spread threatens the environment, the economy, or society.

486 invasive alien plant species in Canada (That’s 24% of national flora)

BC has 368 invasive plant species Alberta has 225 invasive plant species

Agricultural Crops 58% were brought here intentionally as: Research Purposes Landscape plants Ornamentals Medicinal Plants

Weeds in crops and pastures alone cost an estimated 2.2 billion annually in Canada

Why are weeds so good at being weeds?

Occupy very different habitats

Weeds easily adjust

Weeds easily reproduce

Incredible Longevity

Weeds seem unstoppable

Short generation time

Effective seed dispersal

Weed Pull

Capable of Poisoning its Neighbors

Often Armed or Toxic

Why is prevention the key?

What can you do?

Best Practices Clean Equipment before moving from an infested site Minimize disturbance =Manage materials like soil and gravel Coordinate and plan activities Control/remove invasive plants ID and report Invasive Plants Re-vegetate

Educate yourself and others on how to identify and control invasive plants Do not grow/buy invasive plants Report invasive weeds Free app for iphones and androids-

Questions? Elaine Armagost Invasive Plant Program Manager Peace River Regional District (250)