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Nisqually Knotweed Control Project
1. Nisqually Knotweed Control Project
Presented to the
Nisqually River Council
by:
Renee Mitchell
Pierce Conservation District
5430 66th Avenue East
Puyallup, WA 98371
(253) 845-9770
reneem@piercecountycd.org
4. Funding for 2012 consisted of:
Washington State Recreation and
Conservation Office Salmon Recovery
Funding Board (SRFB)
WSDA Knotweed Program
Department of Natural Resources – Job
Creation Bill Grant
USFWS Grant - Private Landowner Grant
5. 2012
PCD continued knotweed awareness to the public via outreach letters,
brochures, face-to-face meetings, emails, and phone calls
Presented a Knotweed Educational Workshop to the town of Eatonville
Presented knotweed education awareness to: Nisqually River Council, Roy
Salmon Homecoming, Pierce County SWM WCC crew & Noxious Weed
Control staff, UW Center For Sustainable Forestry - Pack Forest, Nisqually
Stream Stewards, and the Salmon Recovery Funding Board (SRFB)
Held a knotweed bending event with the U.S. Forest Service sponsored
Discovery Teams – bent 5 acres of knotweed above Big Creek
6. 2012 Summer Field Crews
3 field crews allocated to the
Upper Nisqually Watershed
= *18 workers on the ground
+ Program Manager
7. Upper & Lower Watershed:
Goat Creek, Big Creek, Reese Creek, Roundtop
Creek, East Creek, Mashel River, Lynch Creek,
Ohop Lake, Ohop Creek, Medicine Creek,
McAllister Creek, Red Salmon Creek, and
several Unnamed Tributaries
8. 30.25 total miles of river & creeks surveyed within the
watershed
54 private & public-owned parcels surveyed and
treated
7.7 new miles of initial treatment in the upper
watershed
338 acres of knotweed infestations treated
* Treatment estimated at a 90% mortality rate
13. Problems encountered
Poor property access within Upper Watershed – Lewis
County side of river
Difficult terrain
Extreme heat in the late summer
Patchy satellite coverage for surveying in remote areas
14. 2013 Knotweed Control Season
23 Pierce Conservation
District and DNR
workers dedicated to
the Nisqually Watershed
18. Partnerships at Work………
Department of Natural Resources –
Upper Watershed Control
Tacoma Power - Alder Lake Survey & Control
USFW – Wildlife Refuge & Lower Watershed Control