Draft Imnaha Subbasin Summary November 30, 2001 Prepared for the Northwest Power Planning Council Subbasin Team Leader



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Existing and Past Efforts

Records for the BPA Columbia River Basin Fish and Wildlife Program date back to 1996, covering planning, outplanting, law enforcement, and fish habitat improvements as implemented by a variety of local, state, tribal, and federal agencies (1998 to present) (Columbia Basin Fish and Wildlife Authority 1999). Specifics are listed in Table 37. Non-BPA funded projects and activities are shown in Table 38.

Table 37. BPA-funded Columbia River Basin Fish and Wildlife Program activities within the Imnaha River subbasin (Bonneville Power Administration and Northwest Power Planning Council 1999)

Agency

BPA Project #

Project Duration

Project Title

Project Description and Results

NPT

USFWS

1989 to present

Lower Snake River Compensation Plan Hatchery Evaluations

The Nez Perce Tribe LSRCP evaluations program is structured to monitor aspects of LSRCP hatchery production performance, natural production status and performance, interactions of hatchery and natural juveniles, promote genetic conservation, and to contribute to the co-management of the LSRCP program. Adult escapement of both natural and hatchery origin chinook salmon and steelhead in several key spawning aggregates, pre-release sampling of LSRCP hatchery produced fish, monitoring of life stage survival of naturally and hatchery produced fish, and identification of the genetic stock structure are monitored.

NPT

199701500

1994 to present

Imnaha River Smolt Monitoring Program Project


Provide information and indices on spring emigration timing, estimated smolt survival, smolt performance and health of wild and hatchery steelhead smolts captured in the Imnaha River to Snake and Columbia River dams. This information is used to assist with in-season shaping of water budgets, evaluating spill requests, and monitoring general fish health as part of the Fish Passage Center Smolt Monitoring program. Our goals are to document migration trends of chinook salmon and steelhead smolts emigrating out of the Imnaha River and to estimate survival of steelhead smolts from the Imnaha River emigration traps, to the Snake and Columbia River dams.

NPT

199703800

1997 to present

Preserve Salmonid Gametes

Preserve male salmonid gametes through cryogenic techniques in order to maintain genetic diversity in populations with low levels of abundance and at high risk of localized extinction. Strives to ensure availability of a genetic sample of the existing male population through preservation in a salmonid germplasm repository. Our approach is to sample and cryopreserve gametes thereby preserving salmonid genetic diversity within the major subbasins in the Snake River basin.

NPT

198805301

1989-1993 and 1997 to present

Northeast Oregon Hatchery Master Plan

Plan and develop conservation production facilities in the Imnaha and Grande Ronde rivers necessary to implement salmon recovery programs for native, ESA listed salmon. Development of a comprehensive monitoring and evaluation program that allows adaptive management to optimize hatchery and natural production, sustain harvest, and minimize ecological impacts. Complete activities and sub-activities designed to provide data for resolving management questions and critical uncertainties relating to supplementation of chinook salmon.


NPT

199403900

1994 to present

Wallowa County Restoration Planner

Develops project proposals for Wallowa County’s Public Works Department and private landowners that go to the Grande Ronde Model Watershed Program and Oregon Watershed Enhancement Board for funding. Writes BA’s and NEPA compliance for county and private landowner projects. Facilitates coordination of watershed restoration efforts in Wallowa County and provides the linkage to efforts in Union County.

NPT

199702500

1997 to present

Implementation of the County/Tribe Plan

Provides funds for small habitat projects that miss the normal funding cycles for the Grande Ronde Model Watershed Program and Oregon Watershed Enhancement Board. Provides upfront money for surveying and preliminary design for Wallowa County’s Public Works Department and private landowners when other money is not available.

GRMWP

199202601

1992 to present

Grande Ronde Model Watershed Project

Selected in 1992 by the NPPC as the model watershed project in Oregon (includes the Grande Ronde and Imnaha subbasins). Completed a basin wide assessment in 1993. Completed an Operations-Action Plan in 1994. The 14 member Board represents a broad constituency. Subcommittees include a Standing Committee and a Technical Commmittee (which reviews all project proposals). The Program provides coordination of efforts in the Grande Ronde and Imnaha subbasins. The planner associated with the program writes project proposals and completes BA’s and NEPA for the projects.


WWNF

9604900

1996-1997




Riparian planting, campground protection, livestock watering improvements, livestock and vehicle access limitations

SWCD

9607400

1996-1997




Instream structures and bank construction

SWCD

9607401

1996-1998




Instream structures and bank construction

In addition to the projects listed in this section, ODFW is implementing Chinook salmon and steelhead hatchery programs under LSRCP for conservation, supplementation and fisheries enhancement. ODFW has ongoing chinook salmon and steelhead research and monitoring projects the evaluate hatchery effectiveness, life history, genetics, supplementation, hatchery/wild interactions, natural escapement, smolt migration and survival, production and productivity and fisheries restoration. Details of these efforts are described in other sections of this document.


Table 38. Non BPA-funded Fish and Wildlife Program activities within the Imnaha (from Ashe et al. 2000)

Project Name


Project Description

Location

Project Lead

Project Funding

Aspen by Hart Butte Lookout Riparian Enhancement

Wetland/riparian exclosure

Wetland in Needham Creek subwatershed

USFS

USFS

Big Sheep Creek Riparian Enhancement

Streambank rock structures and riparian/upland exclosure fencing

Big Sheep Creek at confluence with Little Sheep Creek

OWHP

GWEB

Big Sheep Creek Riparian Enhancement

Riparian planting

Big Sheep Creek & small portion of Lick Creek

USFS

USFS

Big Sheep Creek Riparian Fence

Riparian exclosure fencing and planting

Lower Big Sheep Creek above confluence with Little Sheep Creek

NRCS/SWCD

NRCS

OWHP
Private landowners


Big Sheep Riparian Fence – Buhler


Riparian exclosure fence

Lower end of Big Sheep Creek, RM 4-6

NRCS/SWCD

GWEB
Private landowners

Big Sheep Riparian Fence and revegetation – Suarez

Riparian pasture fencing

Big Sheep Creek

SWCD

OWHP
Private landowners

Big Sheep riparian pasture fencing & trough replacement

Riparian pasture fencing

Big Sheep Creek

SWCD

OWHP
Private landowners

Divide Riparian Pasture Fencing

Riparian pasture fencing w/cattle guard

Big Sheep Creek, RM 26-36; Lick Creek, RM 0-4

USFS

OWHP

Permittee

USFS


Gumboot Creek Instream Rehabilitation

Rehabilitate stream habitat altered in 1997 flood, instream placement of large woody debris, boulders, log weirs & floodplain restoration

Gumboot Creek

USFS

USFS

Imnaha Riparian Fence

Riparian exclosure fence

Imnaha River

NRCS/SWCD


FCS

Private landowners



Imnaha River Riparian Enhancement

Large woody material additions

Imnaha River

USFS

USFS

Lightning Creek Road – Phase I

Relocate road out of creek bottom and construct stream crossing fords along Lightning Creek

Lightning Creek Road

NPT

NPT/BPA
Private landowners

Little Sheep Creek – Streambank Stabilization

Streambank rip rap, log/barb vegetative planting, rock weirs

Little Sheep Creek

NRCS/SWCD

FSA
Private landowners

Little Sheep Creek Fence

Riparian exclosure fence

Little Sheep Creek

NRCS/SWCD

FSA
Private landowners

Little Sheep Creek Fencing

Riparian exclosure fencing and planting

Little Sheep Creek near junction of Imnaha Hwy & Wallowa Loop Rd.

SWCD

OWHP
Private landowners

Marr Flat/ Big Sheep Riparian Pasture Fencing

Riparian pasture fencing

Big Sheep Creek, RM 26-34; Lick Creek, RM 0-1


USFS

OWHP

Permittee

USFS


Road Canyon Headwaters

Spring/ pond/ gully exclosure fence

Road Canyon

USFS

USFS

Skookum Creek Large Woody Debris Placement

Instream placement of large woody debris

Skookum Creek

USFS

USFS

Upper Imnaha Fish & Recreation Enhancement

Campground riparian plantings, interpretive signs, road closures

Upper Imnaha River, RM 58.5-64.5; Coverdale CG & dispersed campsite

USFS

Misc.

USFS


Upper Imnaha Fish & Recreation Enhancement

Campground riparian plantings, interpretive signs, road closures

Upper Imnaha River, RM 59-66; Evergreen CG; Coverdale CG & O65 Campsite dispersed

USFS

BPA

Misc.


USFS

Upper Imnaha Recreation & Fish Enhancement

Campground riparian planting and road closures

Imnaha River at Indian Crossing; Evergreen and Coverdale CG’s

USFS

USFS

Volunteers



Whiskey Riparian Corridor Fencing and Trough Replacement

Riparian corridor exclosure fence & trough improvements

Big Sheep Creek, RM 17-20.5

USFS

OWHP

Private landowners

USFS






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