WSP10695

• File Number: 8240.300.02
• Description: San Juan River Recovery Implementation Program - Recovery Plans & Information
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 1/17/1997
• Author: Bio/West Inc.
• Title: San Juan River Recovery Implementation Program - Summary Report -- 1991 - 1996
• Water Supply Pro - Doc Type: Report/Study

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LIST OF TABLES

Table 1.

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Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Reach definitions significant habitat variables considered and their
mean values within reach utilized as part of identifying
geomorphically distinct reaches.
(From Bliesner and Lamarra 1995.). . . . . . . . . . . . . . . . . . . . . . . . .. 10

The percent composition of the major habitat types for the
geomorphically similar reaches of the San Juan River for June
and August 1994. (From Bliesner and Lamarra 1995.). .......... 11

Summary of total cumulative areas and percent of total wetted area
over selected river miles for the general habitat categories, 1994.
(From Bliesner and Lamarra 1995.) ......................... 16

Summary of cumulative areas and percent of total wetted area over
the geomorphically similar reaches for the June and August
habitat mappings 1994. Mapping was done between RM 2 and
RM 224. Flows at Four Corners ranged from 5,660-7,930 cfs in
June and 504-1,040 cfs in August.
(From Bliesner and Lamarra 1995.) ......................... 18

A comparison of the surface area, average area per mile, and percent
of the total wetted area (TWA) for November 1994 and April and
September 1995 mappings runs. Data are from RM 2 to RM 180.
Flows at Four Corners ranged from 1,000-2,800 cfs in November
1994,2,400-4,700 cfs in April 1995, and 950-2,000 cfs in
September 1995. (From Bliesner and Lamarra,1996.) ... . . . . . . .. 19

Number of young-of-the-year and juvenile Colorado squawfish
and roundtail chub collected annually from 1987-1994 in the San
Juan River during monitoring studies. . . . . . . . . . . . . . . . . . . . . . . .. 44

Composition of the eight dominant fish species as percent of
total electrofishing catch, San Juan River, 1991-1994.
(From Ryden and Pfeifer 1993, 1994, and 1995a.) .. . . . . . . . . .. .. 48

Occurrence of nonnative fish species in the San Juan River Basin
below Navajo Dam based upon 1987-1995 fish collections. ....... 55

San Juan River Recovery Implementation Program
Summary Report

x

17 January 1997
PR-576-2