1400

• UCREFRP Catalog Number: 1400
• Author: Simons, D. B., et al., ed.
• Title: Proceedings
• USFW Year: 1980.
• USFW - Doc Type: Workshop on Downstream River Channel Changes Resulting From Diversions or Reservoir Construction.
• Copyright Material: NO

LIST OF FIGURES
Figure
Page
5. Comparison of percent composition for the most
abundant fishes collected in the Gunnison River,
Colorado, 1992 and 1993 . . . . . . . . . . . . . . . . . . . . . 18
6. Comparison of relative abundance and catch per unit
effort for native and nonnative fishes collected from
the Gunnison River, Colorado, 1992 and 1993, with
3 different gear types: hand nets, seines, and
electrofishing . . . . . . . . . . . . . . . . . . . . . . . . . 19
7. Comparison between the relative abundance of juvenile
and adult native and nonnative fishes and percent
composition for the 10 most abundant juvenile and adult
fishes collected by electrofishing in the Gunnison
River upstream and downstream of Redlands Diversion
Dam, 1992 and 1993 . . . . . . . . . . . . . . . . . . . . . . . 21
8. Total catch per unit effort (total number of fish
divided by total effort [hour])(Fish/h) by reach
for the five commonest fish species collected by
electrofishing in the Gunnison River, Colorado, 1992
and 1993: bluehead sucker (BH), flannelmouth sucker (FM),
white sucker (WS), roundtail chub (RT), and carp (CP). . . . . . 22
9. Total catch per unit effort (Fish/h) by reach
for bluehead sucker, flannelmouth sucker, and
white sucker (bottom) compared to catch per unit
effort for hybrid suckers (bluehead x flannelmouth
[BxF]; white x bluehead [WxB]; white x flannelmouth
[BxF])(top), Gunnison River, Colorado, 1992 and 1993 . . . . . . 24
10. Catch per unit effort (Fish/h) for four native and
two nonnative fishes collected by electrofishing
in Reaches 2, 3, and 4 (river mile 3.9-42.0) of the
Gunnison River, Colorado, 1981, 1982, 1992, and 1993 . . . . . . 25
11. Comparison of mean total length (mm) for bluehead sucker
collected by electrofishing from seven stream reaches
of the Gunnison River, Colorado, 1992 and 1993 . . . . . . . . . 27
12. Comparison of mean total length (mm) for flannelmouth
sucker collected by electrofishing from seven stream
reaches of the Gunnison River, Colorado, 1992 and 1993 . . . . . 28
13. Comparison of mean total length (mm) for roundtail
chub collected by electrofishing from seven stream
reaches of the Gunnison River, Colorado, 1992 and 1993 . . . . . 29
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