Lakeview District Vegetation Treatments Noxious and Invasive Species

Lakeview District Vegetation Treatments

Noxious and Invasive Species Occurrences 6500 Acres Infested Across the District – Noxious Weeds n Major Noxious and Invasive Species Threats: n n Perennial Pepperweed, Yellow Starthistle, Leafy Spurge, Dalmation Toadflax, Musk Thistle, Medusahead, Cheatgrass, Western Juniper

Noxious Weeds Sites

K-falls

Integrated Vegetation Management n Planning n n n By Species Budget Coordination n Oregon Department of Agriculture (ODA) Klamath County Weed Board Lake County Cooperative Weed Management Area n n Prevention Education

Treatment Methods n Mechanical n n n Manual n n n Species: Juniper Acres: 6000 -8000 Species: Halogeton, Mediterranean Sage, Musk Thistle, Bull Thistle, Knapweeds, Scotch Thistle Acres: 500 Biological n n Species: Leafy Spurge, Yellow Starthistle, Dalmation Toadflax, Diffuse Knapweed, Musk Thistle, Canada Thistle, Mediterranean Sage Sites: 117

Treatment Methods (Continued) n Herbicide Acres: Approximately 1480 n Application: Backpack, ATV and Truck n Who: Klamath County, ODA and BLM n

Warner Wetlands Pepperweed Infestation 2000 Acre Infestation n Herbicide Restrictions n ODA n Treated Annually Since 2002 n

Klamath Canyon Yellow Starthistle n Biocontrol 6 releases over 4 years, 1993 -1997 n 3 agents: Eustenopus villosus, Larinus curtis, Bangasternus orientalis n n Herbicide

How Vegetation Treatment EIS Would Help n Achieve Landscape Health Objectives: Noxious Weeds: Ability to use More Effective Herbicides n Invasive Species: Ability to use Herbicides n