Invasive Plants: A 30,000 ft Perspective

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Presentation by James Barnes, Sustainable Habitat Program Manager for The Piedmont Environmental Council

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Invasive Plants: A 30,000 ft Perspective

  1. 1. Image Credit: ArchangleM Photography
  2. 2.  Share My Own Experience Provide an Overview of the Problem Raise Larger Questions about Invasive plants Suggest Framework for managing invasives
  3. 3.  Provide a voice for habitat & wildlife in region Habitat Outreach: website, tours, workshops Provide consultation to landowners, especially groups of landowners Coordinate Regional Partnerships  Trout Unlimited  Virginia Working Landscapes Manage Ovoka property
  4. 4. Image sources: James Barnes
  5. 5. As per Executive Order 13112 an "invasive species" is defined as a species that is:1) non-native (or alien) to the ecosystem under consideration and2) whose introduction causes or is likely to cause economic or environmental harm or harm to human health.Invasive species can be plants, animals, and other organisms (e.g., microbes)
  6. 6.  2nd threat to biodiversity claim, but open it up for discussion later Wilcove et al (1998)
  7. 7. Pimentel et al (1999)
  8. 8.  Native Non-native/Introduced  Cultivated  Naturalized  Invasive (Alien) Weed Image : Orbital Joe Photography ImageImage : Kaylamb Photography Image : ChapstickPhotography : MRPBPS Addict Photography
  9. 9. Image Credit: .Shell Photography Image Credit: Digitalnative PhotographyImage Credit: Skjdksfkssdflkfsld Photography Image Credit: Elsie Esq. Photography
  10. 10. Reichard, 1997
  11. 11. Image Credit: Mandy Tu
  12. 12. Invasive plants wouldnt do nearly as well in nature without human activity & disturbance.In other words: Were already managing for them – but not how we want to.
  13. 13. Photo source: Cheesechoker Photography
  14. 14. source: Frankenstoen, Flickr source: Henry Mclin
  15. 15.  Oak - 534 Willow - 456 Cherry/Plum - 456 Birch - 413 Poplar - 368 Crabapple - 311 Blueberry - 288 Maple - 285 Elm - 213 Pine - 203 Photo source: A. Bockoven
  16. 16.  Privet -24 Autumn Olive – 9 Tree of Heaven – 6 Kudzu – 4 Phragmites - 4 Garlic Mustard – 0 Boxwood – 1 Image Credit: Photo Gryphon
  17. 17. Image Credit: Calindarabus Photography
  18. 18. Image Credit: J.N. Stuart Photography
  19. 19. 1. Early Detection / Rapid Response
  20. 20. Image Credit: EDDMapS
  21. 21. Photo source:Grace Lentini
  22. 22. 1. Early Detection / Rapid Response2. Give Nature a Hand: Manage for stable states using natural processes (forest succession, fire, etc.)
  23. 23. 1. Early Detection / Rapid Response2. Give Nature a Hand: Manage for stable states using natural processes (forest succession, fire, etc.)3. Methods: All of the Above Strategy
  24. 24.  Manual Mechanical Chemical/herbicide Prescribed Grazing Prescribed Fire Biological Cultural Natural Do Nothing
  25. 25. 1. Early Detection/ Rapid Response2. Manage for stable states using natural processes: forest succession, fire, etc.3. Methods: All of the Above Strategy4. Invest in Native Plants
  26. 26. Photo source: H. Leeson
  27. 27. 1. Early Detection / Rapid Response2. Give Nature a Hand: Manage for stable states using natural processes (forest succession, fire, etc.)3. Methods: All of the Above Strategy4. Invest in Native Plants5. Pick your Battles
  28. 28. 1. Early Detection / Rapid Response2. Give Nature a Hand: Manage for stable states using natural processes (forest succession, fire, etc.)3. Methods: All of the Above Strategy4. Invest in native plants5. Pick your Battles6. Manage for the whole ecosystem
  29. 29. Photo source: Hope Leeson
  30. 30. Photo source: bloomingtonarchery.com
  31. 31.  http://www.invasive.org/ http://www.eddmaps.org/ http://www.maipc.org/
  32. 32. James BarnesSustainable HabitatProgram Managerjbarnes@pecva.org540-347-2334 ext. 30 Photo source: Canon Chris Photography

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