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Invasive plants jobs. Catalina Island Conservancy internships: June 25-August 17. Information at: www.catalinaconservancy.org Rocky Mountain Biological Laboratory (Gothic, CO) Invasive Plants intern: 40 hrs/week June 12-Aug 11 (8 weeks) Room and meals supplied

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invasive plants jobs

Invasive plants jobs

Catalina Island Conservancy internships: June 25-August 17. Information at: www.catalinaconservancy.org

Rocky Mountain Biological Laboratory (Gothic, CO) Invasive Plants intern:

40 hrs/week June 12-Aug 11 (8 weeks)

Room and meals supplied

Management and experiments on smooth brome and Canada thistle

Applications reviewed March 1st, accepted until April 1st.

Contact: Dr. Jennifer Reithel (jreithel@gmail.com)

invasive species impacts reading
Invasive species impacts: reading
  • Strayer, D., V. Eviner, J. Jeschke, and M. Pace (2006). Understanding the long-term effects of species invasions. Trends in Ecology and Evolution 21 (11):645-651.
slide4

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
slide5

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
slide6

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Of species that make it to the wild, only ~10% become naturalized
slide7

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Only ~10% of species that make it to the wild become naturalized
    • Of species that become naturalized, only ~10% become pests
slide8

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Only ~10% of species that make it to the wild become naturalized
    • Only ~10% of naturalized species become pests
slide9

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Only ~10% of species that make it to the wild become naturalized
    • Only ~10% of naturalized species become pests
    • Example:
    • 1000 imported species
slide10

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Only ~10% of species that make it to the wild become naturalized
    • Only ~10% of naturalized species become pests
    • Example:
    • 1000 imported species
      • 100 escape to wild
slide11

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Only ~10% of species that make it to the wild become naturalized
    • Only ~10% of naturalized species become pests
    • Example:
    • 1000 imported species
      • 100 escape to wild
        • 10 become naturalized
slide12

Impacts

  • Some observations:
  • “Tens Rule” From Williamson & Fitter (1996) Ecology 77:1661-1666
    • Only ~10% of imported species escape to wild
    • Only ~10% of species that make it to the wild become naturalized
    • Only ~10% of naturalized species become pests
    • Example:
    • 1000 imported species
      • 100 escape to wild
        • 10 become naturalize
          • 1 becomes pest
slide13

Impacts

  • Some observations:
  • “Tens Rule”
  • Measuring impact is complex
    • What should be measured and how?
slide14

Impacts

  • Some observations:
  • “Tens Rule”
  • Measuring impact is complex
    • What should be measured and how?
    • For individual plant, individual species, or multiple species?
slide15

Impacts

  • Some observations:
  • “Tens Rule”
  • Measuring impact is complex
    • What should be measured and how?
    • For individual plant, individual species, or multiple species?
    • Over what time frame?
slide16

Impacts

  • Some observations:
  • “Tens Rule”
  • Measuring impact is complex
  • Lack of comprehensive data
slide17

Impacts

    • Ecological
  • Conceptual model: From Walker & Smith in Lukens & Thieret (1997)
  • Invasive species affect different community & ecosystem processes