WSPC02460

• File Number: 8240.300.31.J
• Description: Colorado River Threatened-Endangered Species - Recovery Program - San Juan - Environmental Studies
• State: CO
• Basin: San Juan/Dolores
• Water Division: 5
• Date: 9/1/2000
• Author: Biology Committee
• Title: San Juan River Recovery Implementation Program Biology Committee - Program Evaluation Report - 7 Year Research Period 1991-1997 - 09-01-00
• Water Supply Pro - Doc Type: Report/Study

001591

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FISH HEALTH ....................................................... 3-52
Introduction ................................................... 3-52
Management Implications ........................................ 3.54

CONTAMINANTS .................................................... 3-54

Introduction ... '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54
Management Considerations . . . . . . . . . . . . . .. ...................... 3.57

POPULATION SIZE. . . . .. . . .. . . . . . .. . . . . . . . ., . . . . . . . . . . .. . . . .. . . . . . . . . 3-57

Introduction ................................................... 3-57
Management Implications ........................................ 3-58

LIMITING FACTOR SUMMARY ......................................... 3-60

CHAPTER 4: PROGRAM ACCOMPLISHMENTS SUMMARY. . . . . . . . . . . . . . . . . . . . . . . . 4-1

INTRODUCTION ...................................................... 4-1

DEVELOP INTERIM MANAGEMENT OBJECTIVES
FOR THE ENDANGERED FISH SPECIES AND NATIVE FISH COMMUNITY
OF THE SAN JUAN RIVER. . . . . . . .. .. . . . .. . . . . .. . .. . . . . . . . . . . .. .. . .. . . .. 4-1

IDENTIFY, PROTECT, AND RESTORE HABITATS WITHIN THE SAN JUAN RIVER
BASIN NECESSARY FOR RECOVERY OF THE ENDANGERED FISH SPECIES
AND MANAGEMENT OF THE NATIVE FISH COMMUNITY. . . . . . . . . . . . . . . . . . . . 4-2

IDENTIFY, PROTECT, AND RESTORE THE ENDANGERED FISH SPECIES
OF THE SAN JUAN RIVER BASIN AND MANAGE
THE NATIVE FISH COMMUNITY......................................... 4-3

DETERMINE THE ROLE(S) OF NONNATIVE FISH SPECIES
IN THE DECLINE OF NATIVE FISH SPECIES AND IMPLEMENT
CORRECTIVE ACTIONS ............................................... 4-4

DETERMINE THE OCCURRENCE. EXTENT, AND ROLE(S)
OF WATER QUALITY DEGRADATION AND CONTAMINANTS
IN THE DECLINE OF THE ENDANGERED FISH SPECIES
AND IDENTIFY AND IMPLEMENT CORRECTIVE ACTIONS. . . . . . . . . . . . . . . . . . . 4-5

IMPLEMENT AN INFORMATION AND EDUCATION PROGRAM
TO INCREASE PUBLIC AWARENESS ABOUT ENDANGERED FISH SPECIES
AND THREATS TO THEIR HABITATS .....................................4-5

T.2

Program Evaluation Report

August 2000