7281

• UCREFRP Catalog Number: 7281
• Author: U.S. Fish and Wildlife Service.
• Title: Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin, Environmental Assessment, November 1987.
• USFW Year: 1987.
• USFW - Doc Type: Denver, Colorado.
• Copyright Material: NO

CONTENTS
Page
Executive Summary. ... ES-1
Chapter I Purpose and need . . . . . . . . . . . . . . . . . I-1
A. Introduction . . . . . . . . . . . . . . . . I-1
B. Purpose of the action. . . . . . . . . . . . I-1
C. Need for the action . . . . . . . . . . . . . I-2
Chapter II Alternatives, including the Proposed Action. . . . II-1
A. Introduction . . . . . . . . . . . . . . . . II-1
B. "No Action" (Continue current management)
Alternative . . . . . . . . . . . . . . . . II-1
C. The Proposed Action . . . . . . . . . . . . . II-4
D. Comparison of the Proposed Action with the
"No Action" Alternative. . . . II-9
E. Alternatives considered, but not evaluated
in depth . . . . . . . . . . . . . . . . . II-11
Chapter III Affected environment . . . . . . . . . . . . . . . III-1
A. Water resources. . . . . . . . . . . . . III-1
B. Rare and endangered fishes . . . . . . . . . III-6
C. Native fishes (Other than the rare and
endangered fishes). . . . . . . . . . . III-12
D. Nonnative fishes (With emphasis on sport
fishes) . . . . . . . . . . . . . . . . . . III-13
E. Terrestrial biological resources . . . . . . III-16
F. Other endangered and threatened species. . . III-20
G. Candidate species . . . . . . . . . . . . . . III-23
H. Recreational boating . . . . . . . . . . . . III-24
I. Sportfishing . . . . . . . . . . . . . . . III-28
J. Electrical power generation. . . . . . . . . III-32
K. Social considerations. . . . . . . . . . . . III-34
L. Archaeological/cultural resources. . . . . . III-35
Chapter IV Environmental consequences . . . . . . . . . . . . IV-A-1
A. Water resources. . . . . . . . . . . IV-A-1
B. Rare and endangered fishes . . . . . . . . . IV-B-1
C. Native fishes (Other than the rare and
endangered fishes). . . . . . . . . . . IV-C-1
D. Nonnative fishes (With emphasis on sport
fishes) . . . . . . . . . . . IV-D-1
E. Terrestrial biological resources . . . . . . IV-E-1
F. Other endangered and threatened species. . . IV-F-1
G. Candidate species . . . . . . . . . . . . . . IV-G-1
H. Recreational boating . . . . . . . . . . . . IV-H-1
I. Sportfishing . . . . . . . . . . . . . . . . IV-I-1
J. Electrical power generation. . . . . . . . . IV-J-1
K. Social considerations. . . . . . . . . . . . IV-K-1
L. Archaeological/cultural resources . . . . . IV-L-1
Chapter V Consultation and coordination. . . . . . . . . . V-1
A. Development of the ProposedAction--Public
Involvement . . . . . . . . . . . .. . . . V-1
B. The Environmental Assessment--Public
Involvement . . . . . . . . . . . . . . . . V-11
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