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Nisqually Knotweed Control Project

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This is the presentation given by Nels Parvi at the May Nisqually River Council meeting. …

This is the presentation given by Nels Parvi at the May Nisqually River Council meeting.

Published in: Education, Technology, Sports
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  • 1. Nisqually River Knotweed Control Project Nels Parvi [email_address] Pierce Conservation District 5430 66th Avenue East Puyallup, WA 98371 (253) 845-9770
  • 2. 2010 Focus: Find it! Kill it!
  • 3. Nisqually River Knotweed Control Project
    • Knotweed is a significant threat to riparian and wetland ecosystems
    • Recognized as a problem by the public and by land management agencies –
    • 1) displaces native plants
    • 2) reduces habitat quality
    • 3) causes erosion
  • 4. Nisqually River Knotweed Control Project www.knotweed-uk.com/Image-Gallery.html uk-weedcontrol.co.uk/weedinformation.html Knotweed does produce seeds that can grow, they just aren’t very successful, so… Knotweed is most commonly spread by fragmentation
    • Transported by:
    • natural actions – e.g.: floods
    • by people – e.g.: (illegal?) dumping or earthmoving
  • 5. Knotweed can grow just about anywhere! Knotweed
  • 6. Nisqually River Knotweed Control Project
    • Began in 2007
    • Goal is to control knotweed along the 78 mainstem river miles and its tributaries
    • Watershed approach * ; controlling upstream infestations while progressing downstream
    • * Upper/Lower watershed -
    • - prioritize maintaining area below LaGrande dam
    • - surveyed and treated annually
  • 7.
    • Cooperative Weed Management Area (CWMA)
    • Collaboration between Pierce, Thurston, and Lewis County Weed Boards; local, state, federal, and tribal agencies; and private landowners
    Nisqually River Knotweed Control Project
  • 8. Nisqually River Knotweed Control Project
    • Treatment strategies follow an Integrated Pest Management (IPM) approach – aquatic formulations & National Pollutant Discharge Elimination System (NPDES) permit
    • Work with public and private landowners on both sides of river
  • 9.
      • Foliar treatment:
      • (3% Glyphosate
      • and/or 1% Imazapyr )
      • Stem Injection:
      • 3 mL undiluted Glyphosate - for small patches or in combination with foliar
    Nisqually River Knotweed Control Project Methods
  • 10.  
  • 11. Contributions:
    • 2007 :
    • WSDA - $ 15,185
    • Tacoma Power – $? (canoe, survey, treatment)
    • Nisqually Tribe – $1850+ (raft/guide – three days, various GIS/map products)
    • Fort Lewis - $? (treatment)
    • 2008 :
    • National Fish & Wildlife Foundation - $50,000
    • WSDA - $10,766
    • PCD - $3,700 (WCC Crew - one week )
    • Tacoma Power – $3,500 (labor & expenses)
    • Nisqually Tribe – $1,850 (raft/guide – three days)
    • US FWS – $600 (jet boat/operator – one day)
    • NPS – 3.5 acres treated at Tahoma Woods
    • 2009 :
    • SRFB/PSAR – awarded $127,500
    • Tacoma Power - $4,500
    • Nisqually Tribe - $5,754
    • Fort Lewis - $145,000 (all noxious weeds)
    • Nisqually Wildlife Refuge - $914
    • USFS - $1,100
    • NPS - $10,130 (next two years - may double)
    • PCD - offered to help coordinate volunteer events, demonstrate bending technique, provide consultations to landowners on revegetation
  • 12. Nisqually River Knotweed Control Project
    • 2007 Project:
      • Surveyed along Nisqually River mainstem, lower Mashel River, and parts of Mineral Creek; recorded 831 knotweed locations
      • Treated 30 sites on 5.3 acres
      • Initiated outreach to rural communities
  • 13. Nisqually River Knotweed Control Project
    • 2008 Project:
      • Continued to survey and record knotweed locations along Nisqually River mainstem
      • Expanded outreach to rural communities - notified and received permission from many landowners
      • Increased treatment capabilities – 3 weeks of WCC crew time & 60 gallon sprayer – 88 sites treated on 150.23 acres
  • 14. Outreach materials
  • 15. Community meeting in Ashford
  • 16.
    • Significant events in 2009:
      • Conducted knotweed bending party by Copper Creek in cooperation with Upper Nisqually Community Forum (UNCF)
      • Conducted site survey, boundary marking, hoop jumping, and treatment of GPNF parcel in coordination with USFS, Lewis County Weed Board, Chambers Creek KW Project
      • Gave presentations to UNCF and to Stream Stewards class
    Nisqually River Knotweed Control Project
  • 17. Nisqually River Knotweed Control Project
    • Project results for 2009:
      • Surveyed on Mashel, L. Mashel, Beaver, Busywild, Berg, Lynch, Big, Catt, Reese, Ohop, Tanwax, Toboton, Lackamas
      • Initial treatment to ½ mile past Skate Creek Bridge
  • 18. 2009 treatment area covers over 600 acres of land. Total for the project in 2009 was over 193 acres treated ~ 27 acres of knotweed (@max label rate)
  • 19. Lynch Creek Knotweed Property Owner: Kent Rutledge 1:10,000 Eatonville Ski Park Road
  • 20. Reese Creek Knotweed Property Owner: DNR
  • 21. Results: 2007 2008 Lower Watershed 2009
  • 22. 2007 2008 Tom Brown Boat Launch
  • 23. April 22, 2009 Tom Brown Boat Launch
  • 24. Outreach: UNCF & Stream Stewards
  • 25. Yil-me-hu Yil-me-hu Yil-me-hu WINTER 2009
  • 26. 2010 Goals
    • Survey Powell Creek, Rocky Slough, Lackamas Creek, Brighton Creek, Lacamas Creek, Murray Creek, Horn Creek, Yelm Creek, Thompson Creek, Muck Creek, Berry Creek, Little Nisqually (need permission slips/waivers)
    • Continue to monitor existing treatment sites for re-growth and survey lower river for new or missed infestations - Treat as necessary
    • Initial treatment of knotweed from Kernahan Road to vicinity of area south of Ashford
    • Revegetation?
  • 27. 2010
    • UNCF ‘Second Annual No Knotweed Day’ May 22 nd in Ashford
  • 28. Project uncertainty??? - PCD now on board - need to acquire more/new funding bloggingbelmont.com $$$ work results
  • 29. Questions???
  • 30. The End
  • 31. Scientists are intending to introduce into Britain the sap-sucking Japanese louse which is the natural enemy of knotweed. It is thought that the 2mm long Aphalara itadori, a type of psyllid or jumping plant louse, will kill the plant without harming wildlife. Read more: http://www.dailymail.co.uk/sciencetech/article-1201665/Japanese-knotweed-faces-nemesis-bug-foe-imported-East.html#ixzz0j1HIObhT
  • 32. Berg Creek Big Creek Lynch Creek Busywild Creek Beaver Creek Reese Creek Catt Creek Little Mashel Mashel

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