Washington County Weed Watcher's training 5.10.13

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  • 1. April 30, 2013TUALATIN BASIN WEED WATCHERS:EARLY DETECTION OF INVASIVE SPECIESBrought to you by Partners for a Weed-Free Tualatin Basin:
  • 2. AGENDA• Introduction: who are we? (2 mins)• Why are we doing this? (2 mins)• Intro to management and your role (2 mins)• Focus species (30 mins)• Hands-on (20 mins)• How to report (5 mins)• Best management practices (5 minutes)• Q & A
  • 3. Biological invaders destroy habitats orout-compete native plants and animals.Invasive species costs Americans about$143 billion/year!Why should we care?
  • 4. WHAT MAKES A PLANT INVASIVE?• Few environmental constraints• Fast growth and reproduction• Highly adaptable• Transform their environment• Encouraged by disturbance• Lower biodiversity around it
  • 5. HOW DO WE MANAGE INVASIVE PLANTS?• Prevention• Quarantine before introduction• Monitoring & mapping• Chemical treatment (herbicides)• Biological controls (biocontrol)• Cultural treatment (hand pulling, cutting, etc.)
  • 6. AreaInfestedTimeLag TimeEscapeIntroductionInvasionCostKey Stages in Plant InvasionsDetection: focus resources here
  • 7. The Wildfire Model
  • 8. KEYS TO IDENTIFYING THE INVADERS• Flowers• Leaves and stems• Habit (vine, herb, grass, rosette, etc.)• Key characteristics (odor, reflectivity, color)• Developing a “search pattern”
  • 9. Looking down as youwalk, can you see theplant’s pattern amongthe others?
  • 10. PRIMARY TARGETS:REPORT THESE ANYWHERE
  • 11. GlennMiller,ODAGarlic Mustard: Alliaria petiolata
  • 12. GlennMiller,ODAGlennMiller,ODAElizabethJ.Czarapata
  • 13. Glenn Miller, ODA
  • 14. GlennMiller,ODAGiant Knotweed Fallopia sachalinese
  • 15. Purple Loosestrife
  • 16. Purple Loosestrife
  • 17. Yellow Flag Iris Iris pseudacorusPhoto:JudyScott,OSU
  • 18. Emily DeBolt
  • 19. Carla Cole, NPSSpurge Laurel: Daphne laureola
  • 20. Carla Cole, NPS
  • 21. Tania Siemens, TNC
  • 22. Carla Cole, NPS
  • 23. SECONDARY TARGETS:REPORT IF FOUND ALONG STREAMSOR IN PUBLIC PARKS
  • 24. Italian Lords and Ladies Arum italicum
  • 25. Italian Lords and Ladies Arum italicum
  • 26. Lesser Celandine Ranunculus ficaria
  • 27. Lesser Celandine Ranunculus ficaria
  • 28. Yellow Archangel Lamiastrum galeobdolonPhotos:WAStateWeedControlBoard
  • 29. Yellow Archangel Lamiastrum galeobdolon
  • 30. NOW FOR SOME INVASIVE SPECIESSPEED DATING
  • 31. REPORTING YOUR FINDSwww.oregoninvasiveshotline.org
  • 32. REPORTING ALTERNATIVEWe really prefer website reports, but you can always call or mailinfo to:Lacey TownsendTualatin Soil and Water Conservation District1080 Southwest Baseline StreetHillsboro, OR 97123(503) 648-3174
  • 33. Only YOU can preventthe invasion!
  • 34. DON’T BE A VECTOR!• Clean your clothes• Clean your pets• Clean your equipment & vehicle• Walk around the infestation• Bag/trash, burn, no compost• If collecting voucher in flower or fruit, seal itJ.K. Linsey
  • 35. Gardeners: please spread the word, not the weeds!
  • 36. WEED CONTROL QUESTIONS?OSU Extension ServiceWashington County155 N. First Ave, Suite 200Hillsboro, Oregon 97124(503) 821-1150extension.oregonstate.edu/washington/
  • 37. QUESTIONS?Robert EmanuelWater Resources Project ManagerClean Water Services(503) 681-3652Partners for a Weed-Free Tualatin Basin: