Post on 11-Apr-2017
Invasive Plants Notes (pg 12)
Invasive Plants Notes (pg 12)
• Invasive plants:– Non-native (originated somewhere else)
Invasive Plants Notes (pg 12)
• Invasive plants:– Non-native (originated somewhere else)– Spread rapidly
Invasive Plants Notes (pg 12)
• Invasive plants:– Non-native (originated somewhere else)– Spread rapidly– Out-compete native plants
Invasive Plants Notes (pg 12)
• Invasive plants:– Non-native (originated somewhere else)– Spread rapidly– Out-compete native plants– Have negative ecological or economic
impacts
Traits of Invasive plants
• Fast growth
Traits of Invasive plants
• Fast growth • Good at getting water and nutrients from
soil
Traits of Invasive plants
• Fast growth • Good at getting water and nutrients from
soil• Sexual and asexual reproduction
Traits of Invasive plants
• Fast growth • Good at getting water and nutrients from
soil• Sexual and asexual reproduction• Seeds have good dispersal mechanisms
Traits of Invasive plants
• Fast growth • Good at getting water and nutrients from
soil• Sexual and asexual reproduction• Seeds have good dispersal mechanisms• Can grow in a wide range of conditions
Traits of Invasive plants
• Fast growth • Good at getting water and nutrients from
soil• Sexual and asexual reproduction• Seeds have good dispersal mechanisms• Can grow in a wide range of conditions• Some make toxins that prevent other
plants from growing
Costs
• Over $140 billion per year in U.S.
Costs
• Over $140 billion per year in U.S. • Threaten half of endangered species
Costs
• Over $140 billion per year in U.S. • Threaten half of endangered species • Can be toxic, increase fire hazard, or have
spines that cause injury