Karlson Island Wetland Enhancement
Location: U.S. Fish and Wildlife Lewis and Clark Wildlife Refuge, Knappa, Oregon
In summer 2014, the restoration project was completed and restored hydrology and fish access to the 320 acres of tidal marsh habitat. Over 2,050 feet of levee was removed, 760 linear feet of channel was created, native vegetation was planted over 4 acres of disturbed areas, 38 pieces of large woody debris was added to the slough network, 2 culverts and tidegates were removed, and 9 acres of habitat was treated for invasive species.
Bonneville Power Administration
Lower Columbia Estuary Partnership
US Fish and Wildlife Service
Restoration Planning & Implementation
Location of Project