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Sage Springs Mesic Restoration

A 1% for the River Conservation Fund Project


Impairment: Loss of wetland/riparian function in critical sage-grouse and Arctic grayling habitat; sedimentation and increased temperature.

Proposal: Stabilize active head-cutting to preserve wet meadow upstream; stabilize banks and in-stream structures to reconnect the floodplain; fencing; and potential reconnection to North Fork of the Big Hole.

Benefits: Improved water quality/quantity; fish habitat/connectivity and wetland habitat improvement.

Calendar: No dates

Estimated Cost: $180,000

Big Hole Conservation Fund Goal: $60,000

DONATE TO SUPPORT THE SAGE SPRINGS MESIC RESTORATION PROJECT


Project Description

Spring Creek is a small tributary to the North Fork of the Big Hole River and supports wetlands and riparian vegetation within a mesic setting that serves as habitat for sage grouse (with several active leks located nearby), pronghorn, elk, songbirds, and raptors. The stream also provides habitat for Westslope cutthroat trout and has the potential to provide habitat for fluvial Arctic grayling.  The stream and associated wetlands have been degraded by historical agricultural practices such as vegetation changes caused by grazing and flow modifications associated with irrigation.  Increased flow, when combined with vegetation modifications, is the most probable explanation for headcutting and degradation of wetland and riparian habitat.  The US Fish and Wildlife Service and partners seek to improve and protect fluvial and wetland habitat values of this tributary stream.

Existing Conditions

The stream originates as a series of springs within an expansive sedge wetland complex. Groundwater emerges from the southeast valley margin, creating a large sloped wetland along the south side of the valley. The stream channel is poorly defined, with water periodically flowing overland through the wetland with no channel. The stream then abruptly cascades over a significant, active headcut that is migrating upstream and threatens to impact the sedge wetland complex by lowering the water table. Immediately below the headcut, the stream begins to flow in a relatively straight gully channel that gradually transforms into a more defined, incised channel. Several banks along the gully and channel are eroding laterally as the system forms an incipient floodplain through typical channel evolution processes.

Proposed Improvements

The USFWS and partners propose to stabilize the headcut and address eroding stream banks downstream to protect wetlands and promote growth of woody riparian vegetation.  Restoration will restore hydrologic connectivity with the spring and mesic corridor and improve wetland vegetation species and invertebrates composition. Improving mesic habitat will provide food and water resources for many species including greater sage grouse, sagebrush obligate songbirds, elk, pronghorn and increase forage for livestock.  The project area will be fenced to allow better management of grazing.

Project Status

Project partners have identified project goals, objectives, and restoration alternatives. Partners have hired Confluence Consulting to design the project and complete permitting.  Fundraising is underway.


People and Organizations Involved

Private landowners

United States Fish and Wildlife Service-Montana partners for Fish and Wildlife

Big Hole Watershed Committee

Montana Fish, Wildlife, and Parks

The Nature Conservancy

Southwest Montana Sagebrush Partnership

Contractors

Confluence Consulting


Project Documents

 

Project Photos

Project MAP

Status

In Design

Type

Wetlands/Mesic Restoration

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Big Hole Watershed Committee
P.O. Box 21
Divide, MT 59727-0021
(406) 960-4855

Non-Profit Status
The Big Hole Watershed Committee is a 501(c)3 non-profit organization created to support the communities of the Big Hole River.

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