KNOTWEED CONTROL AND REVEGETATION...ISSAQUAH CREEK KNOTWEED REMOVAL CAMPAIGN Issaquah Creek Tier 1,...
Transcript of KNOTWEED CONTROL AND REVEGETATION...ISSAQUAH CREEK KNOTWEED REMOVAL CAMPAIGN Issaquah Creek Tier 1,...
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ISSAQUAH CREEK, LITTLE BEAR CREEK AND RAGING RIVER
KNOTWEED CONTROL AND REVEGETATION
Lisa Nelson Restoration Projects Manager
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• Quick overview of our three basin-wide knotweed removal projects
• Summary of each project’s successes and challenges
• Outreach methods
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Raging River • 2008
Issaquah Creek • 2008
Little Bear Creek • 2014
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RAGING RIVER KNOTWEED REMOVAL CAMPAIGN
• Important Chinook spawning habitat
• Since 2008, Grants received total $230, 000 • King Conservation District
$140,000
• King County Flood Control District WRIA 7 Cooperative Watershed Management $90,000
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2016 RAGING RIVER LANDOWNER PERMISSION • 128 parcels located
along creek • 116 private landowners • 12 DNR, King County
Parks • Permission for 70% of
these parcels
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2016 RAGING RIVER TREATMENT
• 2008 survey revealed 32 acres infested • Today we see uniform plants, yet are only treating 6 acres the past two years • Using G&F
Contractors, doing whole river
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RAGING RIVER NATIVE PLANT REVEGETATION
• Set deliverables for native plant installation – habitat improvement
• To date, installed approximately 7,000 native plants
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RAGING RIVER KNOTWEED CAMPAIGN - SUCCESSES
• Became efficient through collaboration with King County Rivers, using G&F
• King County Parks treats own parcels
• Each year, gain more permissions
• 20% left of initial infested acres
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RAGING RIVER KNOTWEED CAMPAIGN - CHALLENGES
• DNR lacks funding for knotweed control, yet these parcels or the most highly infested
• Remote community, less receptive to people on property
• One year, crew over-sprayed on handful of properties
• Some landowners do not want native plants installed
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ISSAQUAH CREEK KNOTWEED REMOVAL CAMPAIGN
Issaquah Creek Tier 1, supports Chinook, Coho and Kokanee salmon as well as steelhead trout • Since 2008, Grants received total
$412,000 • Initial grant, DOE King County
administered, $50,000
• KCD, $70,000
• NFWF $20,000
• King County WRIA 8 CWM $100,000
• DOE– National Estuary Program (NEP) $172,000
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2016 ISSAQUAH CREEK LANDOWNER PERMISSION
• 300 parcels located along creek
• 220 private • 100 DNR, King
County Parks, City of Issaquah
• Permission for 223
of these parcels – 75%
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2016 ISSAQUAH CREEK TREATMENT
• Original acres from 2008 survey = 30
• 2016 acres
treated 5
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PLANTING ISSAQUAH CREEK NATIVE PLANT REVEGETATION
8,400 plants installed on 20 parcels
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ISSAQUAH CREEK KNOTWEED CAMPAIGN - SUCCESSES
• City of Issaquah acquisitions
• Partnership with King County Parks
• Landowner word of mouth
• Continuous new permissions
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ISSAQUAH CREEK KNOTWEED CAMPAIGN - CHALLENGES
• Banks failing, still not interested in plants
• Coordinating with other entities when staff changes
• Public perception-salmon and bees
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LITTLE BEAR CREEK KNOTWEED REMOVAL CAMPAIGN
Tier 2, Coho and Chinook Spawning habitat
• Since 2012, Grants
received total $55,000 • Two rounds King
County WRIA 8 CWM
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2016 LITTLE BEAR CREEK LANDOWNER PERMISSION Only treating to King County border
• 32 parcels located along
creek • 10 private • 3 City of Woodinville,
WSDOT
• 20 businesses with absentee owners
• Permission for 24 of these
parcels = 75%
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2016 LITTLE BEAR CREEK TREATMENT
• 6 acres of knotweed surveyed
• Treating about
3 acres each year
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LITTLE BEAR CREEK NATIVE PLANT REVEGETATION
• 2016 first year of planting
• One landowner,
1,000 plants!
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LITTLE BEAR CREEK KNOTWEED CAMPAIGN - SUCCESSES
• Great partnership with the City of Woodinville – Has opened the door to more restoration projects
• Growing successes with reaching absentee landowners
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LITTLE BEAR CREEK KNOTWEED CAMPAIGN - CHALLENGES
• Absentee property owners
• Upstream properties in Snohomish County aren’t being treated
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Greenway Staff places mailing label here
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• Highlight negative effects of knotweed on property • Explains chemical is safe to spray over water and active ingredient only works on
plant cell growth.
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Pre-placed return address Label with PIN
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With information from the waiver, create treatment maps that illustrate permission type
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Planting Brochure • Highlighting free of
charge and choosing plants
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• Illustrate options to ease minds of blocking views while explaining “grade” of each option on habitat enhancement
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Let’s talk about CONIFERS!
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Choose your plants by flowers
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Choose your plants by berries
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Choose your plants by winter color
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Questions?
Lisa Nelson Restoration Projects Manager