Brownes Creek Instream Habitat Restoration
(Funded 2002)
Current Status: Active
The project will restore formerly productive instream Chinook habitat
in Brownes Creek that was destroyed when a massive debris torrent initiated
from a plugged culvert and deep road-fill failure on State lands. The
resulting dam-break flood was amplified by another deep fill a mile downstream,
on private timberland. The debris torrent scoured the channel and valley
walls up to 20-30 feet high, and removed all wood from the channel for
a distance of two miles. Peak Chinook spawner counts dropped from an
average peak live count of more than 36 fish per mile during the period
1997-1999 to zero in 2000, and 6 in 2001. A large amount of wood was
scoured from the channel, and deposited outside of the bankfull width.
The wood can be easily relocated in the stream. The project will move
wood into the stream using winches, a log loader, and/or a swing-yarder,
depending on location. Additional wood will be added where the creek
is accessible from the road. Approximately one mile of stream will be
directly treated, and additional stream segments will be seeded at stream
crossings. Seeding has been successful on the north fork of the Sekiu
River, which has similar channel morphology. Channel disturbance will
be minimized by walking equipment on wood or large mats (swamp maps)
when near or within the channel. Approximately 3,000 feet of stream will
be accessed with a logging shovel, and wood will be placed at about five
locations with a swing-yarder.
For final project completion report, click here. |