WSP06918

• File Number: 8240.200.10.A
• Description: UCRBRIP Habitat Restoration
• Basin: Colorado Mainstem
• Date: 10/8/1997
• Author: UCRBRIP
• Title: Final Habitat Restoration Program FY 1998 Work Plan Part 1
• Water Supply Pro - Doc Type: Publication

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COLORADO RIVER RECOVERY PROGRAM
FY-1998 PROPOSED SCOPE OF WORK

Project No.: CAP-6 GP

Lead Agency: Fish and Wildlife Service,
Colorado River Fishery Project

Submitted by: Frank Pfeifer. Project Leader
Bob Burdick. Fishery Biologist

Phone:
FAX:
E-Mail :

Address: 764 Horizon Drive, South Annex A
Grand Junction, CO 81506
[phone]
[phone]
R6FFA [e-mail]

Date: 3 March 1997 (edited February 23. 1998)

Cateaorv:
___ Ongoing project
___ Ongoing-revised project
XX Requested new project
___ Unsolicited proposal

Expected Fundina Source:
_ Annual funds
XX Capital funds
_ Other (explain)

I. Title of Proposal: Removal of Nonnative Fishes from Sloped Gravel Pit
Ponds and Evaluating the Use of Sloped Gravel Pit Ponds by Endangered
and Native Fishes in the Upper Colorado River near Grand Junction.
Colorado

II. Relationship to RIPRAP: Colorado River Action Plan: Colorado River:
II.A. Restore and manage flooded bottomland habitat: monitor and
evaluate success. III.A. Reduce negative impacts of nonnative fishes
and sportfish to endangered fishes: control nonnative fishes.

III. Study Background/Rationale and Hypotheses

Increase Floodplain Habitat to Benefit Native Endanaered Fishes

-'1iistorically, upper Colorado River basin floodplains were inundated
annually by flows during spring runoff. but today floodplains are not
regularly connected to the river because of channelization by either
levees and dikes or rip-rap near population centers and in agricultural
areas. The periodicity of out-of-channel flooding in the upper
Colorado River has dramatically decreased following the onset of
transmountain water diversions. irrigation diversions, and the

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