Lakeview District
Vegetation Treatments
Noxious and Invasive Species
Occurrences
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6500 Acres Infested Across the District –
Noxious Weeds
Major Noxious and Invasive Species Threats:
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Perennial Pepperweed, Yellow Starthistle, Leafy
Spurge, Dalmation Toadflax, Musk Thistle,
Medusahead, Cheatgrass, Western Juniper
Noxious Weeds Sites
K-falls
Integrated Vegetation Management
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Planning
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By Species
Budget
Coordination
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Oregon Department of Agriculture (ODA)
Klamath County Weed Board
Lake County Cooperative Weed Management Area
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Prevention
Education
Treatment Methods
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Mechanical
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Manual
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Species: Juniper
Acres: 6000-8000
Species: Halogeton, Mediterranean Sage, Musk Thistle, Bull
Thistle, Knapweeds, Scotch Thistle
Acres: 500
Biological
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Species: Leafy Spurge, Yellow Starthistle, Dalmation
Toadflax, Diffuse Knapweed, Musk Thistle, Canada Thistle,
Mediterranean Sage
Sites: 117
Treatment Methods (Continued)
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Herbicide
Acres: Approximately 1480
 Application: Backpack, ATV and Truck
 Who: Klamath County, ODA and BLM
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Warner Wetlands Pepperweed
Infestation
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2000 Acre Infestation
Herbicide Restrictions
ODA
Treated Annually Since 2002
Klamath Canyon Yellow Starthistle
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Biocontrol
6 releases over 4 years, 1993-1997
 3 agents: Eustenopus villosus, Larinus curtis,
Bangasternus orientalis
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Herbicide
How Vegetation Treatment EIS
Would Help
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Achieve Landscape Health Objectives:
Noxious Weeds: Ability to use More Effective
Herbicides
 Invasive Species: Ability to use Herbicides
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