7823

• UCREFRP Catalog Number: 7823
• Author: Miller, W. H., et al.
• Title: Colorado River Fishery Project, Part II, Final Report, Field Investigations.
• USFW Year: 1982.
• USFW - Doc Type: \
• Copyright Material: NO

FIGURES (continued)
•
Number Page
6 Diagramatic representation of the study area
showing points of initial capture and subsequent
recapture of tagged humpback chubs . . . . . . . . . . . 295
7 Relationship between mean catch rates for
young-of-year and juvenile humpback chub
collected by seining during darkness and during
daylight . . . . . . . . . . . . . . . . . . . . . . . . 296
8 Frequency of humpback chub captures over the
range of depths sampled with minnow traps
and seines . . . . . . . . . . . . . . . . . . . . . . . 298
9 Frequency of humpback chub captures over the
range of velocities sampled with minnow traps
and seines . . . . . . . . . . . . . . . . . . . . . . . 299
10 Frequency of humpback chub captures over the
range of habitat types sampled with seines . . . . . . . 300
11 Frequency of humpback chub captures over the
range of substrate types sampled with minnow
traps . . . . . . . . . . . . . . . . . . . . . . . . . 301
12 Length-frequency distributions and summation of
scale characteristics for humpback chub collected
from the Little Colorado River, confluence stratum,
and Colorado River . . . . . . . . . . . . . . . . . 302
13 Relationship between gonadosomatic index
and fish length and between mean ova diameter
. and fish length for humpback chub . 304
14 Seasonal changes in gonadosomatic indices and
mean ova diameter for humpback chub . . . . . . . . . . 305
15 Relative abundance of the dominant species
caught by minnow traps, seines, and trammel
nets from Little Colorado River, confluence
and Colorado River strata . . . . . . . . . . . . . . . 311
4. TRIBUTARY REPORT: FISHERY INVESTIGATIONS OF THE GUNNISON AND
DOLORES RIVERS
Number Page
1 Study strata of the Gunnison River (Q-S) and the Dolores
River (T-W) . . . . . . . . . . . . . . . . . . . . . . 323
2 Flow of the Gunnison River at Whitewater, Colorado, for
1979 (United States Geological Survey records) . . . . . 328
3 Flow of the Gunnison River at Whitewater, Colorado, for
1980 (United States Geological Survey records . . . . . 329
4 Flow of the Dolores River at the San Miguel confluence
for 1981 (United States Geological Survey records) . . . 330
5 Flow of the Dolores River at the San Miguel confluence
for 1980 (United States Geological Survey records) . . . 331
• 6 Flow of the Dolores River at the San Miguel confluence
for 1979 (United States Geological Survey records) .
332
7 Catch per unit effort of three native and endemic fishes
in the Dolores River from May to August 1981 . . . . . . 344
xv