9292

• UCREFRP Catalog Number: 9292
• Author: Trammell, M. and T. Chart.
• Title: Aspinall Unit Studies Nursery Habitat Studies Colorado River 1992--1996.
• USFW Year: 1998.
• USFW - Doc Type: Moab, Utah.
• Copyright Material: NO

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Table 2. Summary of physical habitat data and Colorado squawfish and non-native cyprinid
(NNC) collections, Colorado River Nursery Habitat, Upper section. Spring, summer
and fall 1992-1996.
Snrin~
Year Sample
Flow # of
sites Total
area Total
volume # of
C3 # of
NNC CS CPE
#/100 m2 NNC CPE
#/100 m2
1993 6100 22 23867 10564 3 10312 .14 493.8
1994 3690 28 15035 5741 0 2009 0 83.3
1995 6810 13 10356 5579 4 23907 .44 2637.6
1996 6100 24 11375 4158 0 2480 0 108.8
Summer
Year Peak
Flow Sample
Flow # of
sites Total
area Total
volume # of
CS # of
NNC CS CPE
#/100 m2 NNC CPE
#/100 m2
1992 17100 3200 43 23957 7603 106 17275 3.51 571.5
1993 47600 5750 20 13331 5286 1 8016 0.02 189.3
1994 15000 2540 36 16377 8402 28 52591 1.03 1926.3
1995 51400 8380 39 10482 4701 0 11618 0 636.1
1996 28700 3500 31 15562 4491 661 14459 34.3 750.1
Fall
Year Sample
Flow # of
sites Total
area Total
volume # of
CS # of
NNC CS CPE
#/100 m2 NNC CPE
#/100 m2
1992 3450 30 40084 7496 87 28960 2.62 870.9
1993 3750 26 10051 1435 8 14383 0.38 690.2
1994 3985 25 8856 2746 2 49927 0.13 3125.3
1995 4450 39 10186 2048 4 5569 0.18 253.5
1996 4500 19 11216 4371 174 39689 11.0 2511.0