7404

• UCREFRP Catalog Number: 7404
• Author: Masslich, W. J. and A. Wasowicz.
• Title: Interim Report - 1990 Overwinter Survival of Age-0 Colorado Squawfish in the Green and Colorado Rivers.
• USFW Year: 1990.
• USFW - Doc Type: Logan, Utah.
• Copyright Material: NO

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LIST OF TABLES

Table 1. Range in temperatures and IIows of the Green and Colorado Rivers
during the YOY Colorado squawfish monitoring programs, 1Q87:1~t1......... 5
Table 2. Mean catch-per-unit-effort (CPUE) of age-0 Colorado squawfish, Fall 1990..... 6
Table 3. Mean total length of age-0 Colorado squawfish (< =60 mm TL) collected
during Fall 1990_ ................................................ 7
Table 4. Total number collected and mean catch-per-unit-effort (fish per 10 sq. m) for
sympatric fishes, young-of-the-year Colorado squawfish monitoring, 1990.
Calculation based on the first seine haul in primary backwaters.,; ............. 8
Table 5. Number of YOY Colorado squaw6sh, CPE, and mean total length for the 1989
yeaz class in Reach 4, Green River (RMI 319-20(1) ....................... 9
Table 6. Number of YOY Colorado squawfish, CPE, and mean total length for the
1987-1990 year classes in Reach 3, Green River. ...................... 9
Table 7. Number of juvenile Colorado squawfish and range in total length for the
1987-1990 year classes in Reach 3, Green River. ...................... 10
Table 8. Number of YOY Colorado squawfish, CPE, and mean total length for the 1987,
1988, and 1989 year classes in Reach 1, Colorado River (RM 50-0)........... 10
Table 9. Number of juvenile Colorado squaw6sh and range in total length for the 1987,
1988, and 1989 year classes in Reach 1, Colorado River (RM SO-D)........... 11
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