7370

• UCREFRP Catalog Number: 7370
• Author: Platania, S. P.
• Title: Biological Summary of the 1987 to 1989 New Mexico-Utah Ichthyofaunal Study of the San Juan River.
• USFW Year: 1990.
• USFW - Doc Type: Albuquerque, New Mexico.
• Copyright Material: NO

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LIST OF FIGURES
Figure
Page
1 The Colorado River basin, showing Upper
and Lower sections . . . . . . . . . . . . . 2
2 Major municipality locations along the
San Juan River, New Mexico and Utah . . . . . 8
3 Major tributary systems of the San Juan.
River, New Mexico and Utah . . . . . . . . . 9
4 General region of San Juan River diversion
dam locations . . . . . . . . . . . . . . . 12
5 Diversion dams in the study area and their
location on the San Juan River . . . . . . . 13
6 San Juan River study area and river miles,
New Mexico and Utah . . . . . . . . . . . . . 15
7 Mean monthly discharge of the San Juan River
(1987-1989) at three U.S. Geological Survey
gauging stations in the study area . . . . . 17
8 Ichthyofaunal composition (percent) of the
San Juan River in New Mexico and Utah,
1987-1989. The histogram represents the
collective catch in seining, electrofishing,
and trammel/gill net samples . . . . . . . . 31
9 Ichthyofaunal composition of the San Juan
River in New Mexico and Utah, 1987-1989,
based on electrofishing samples . . . . . . . 33
10 Ichthyofaunal composition of the San Juan
River in New Mexico and Utah, 1987-1989,
based on seining samples . . . . . . . . . . 35
11 Ichthyofaunal composition of the San Juan
River and San Juan River arm of
Lake Powell in New Mexico and Utah
1987-1989. The histogram represents the
catch taken in trammel/gill net samples . . . 37
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