Habitat Project

Tucannon PA 18 - Floodplain connectivity and channel complexity project

394 logs with rootwads were placed along 1.1 miles of the Tucannon River in Project Area 18. Three historic side-channels were reconnected with the mainstem Tucannon. Over 3,000 native plants will be planted in the floodplain.

A helicopter was used to install 158/394 logs. Excavators were used to construct engineered log structures, installing 236/394 logs with root wads. Large wood structures were designed to improve floodplain connectivity and increase structural complexity in the main channel of the Tucannon River. The large wood will priovide overhead cover, velocity refuge, scour new pools, and sort sediment. Pilot channels were excavated at the upstream end of historic side-channels to increase off-channel habitat quantity for all life history stages of ESA-listed spring chinook, steelhead, and bull trout.

Project Lead: CTUIR

Project Collaborators: Washington Department of Fish and Wildlife, Salmon Recovery Funding Board

First Foods this project targets

Water
Salmon
Deer
Roots
Berries

River Vision Touchstones this project targets

Hydrology
Geomorphology
Connectivity
Aquatic Biota
Riparian Vegetation

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External Links


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Title Links
PA 18 2017 As-built Drone Video


Project Funders

Funder Funding Amount
Bonneville Power Administration$1,246,627
Pacific Coastal Salmon Recovery Fund$406,864


File Library

Title File Description
2018 RRNW Poster - Tucannon PA18RRNW2018 Poster Final.pdfUploaded file RRNW2018 Poster Final.pdf
PA18 photo time series - 1998-2010Tucannon Hartsock Photo time series (NXPowerLite).docUploaded file Tucannon Hartsock Photo time series (NXPowerLite).doc

Image Gallery

Title File Description
Project LocationUploaded file PA18 location in Tucannon.jpg