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Brought to you by the Missoula Valley Land Managers

LEAVE NO WEEDS. Brought to you by the Missoula Valley Land Managers. Leave No Weeds Principles. Be aware and prepare Camp and travel in weed free areas Pull and pack out weeds when possible Report weed infestations. What is a weed?. An unwanted plant This depends on your goals and values.

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Brought to you by the Missoula Valley Land Managers

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  1. LEAVE NO WEEDS Brought to you by the Missoula Valley Land Managers

  2. Leave No Weeds Principles • Be aware and prepare • Camp and travel in weed free areas • Pull and pack out weeds when possible • Report weed infestations

  3. What is a weed? • An unwanted plant • This depends on your goals and values What is a noxious weed? • A weed that the state and/or federal government has identified as a serious threat- they must be controlled • Not all natural area weeds are noxious weeds

  4. Weeds: What’s the Problem? • These plants did not evolve in this system • These plants did not come with natural controls such as insect predators, plant pathogens, and other competing plants • Grow rapidly and exclude desirable native plant species Missoula Hills Today

  5. Economic and Ecological Problems with Weed Invasions • Decrease the economic value of land and crops • Increase soil erosion and sedimentation • Decrease fish habitat • Decrease forage for livestock and wildlife • Displace native plant species • Lower plant biodiversity • Affect recreational value

  6. Increases erosion into streams and rivers

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