9432 ‎(2)‎

• UCREFRP Catalog Number: 9432
• Author: Modde, T. and M. Fuller.
• Title: Feasibility of Channel Catfish Reduction in the Lower Yampa River.
• USFW Year: 2002.
• USFW - Doc Type: Vernal.
• Copyright Material: NO

Table I.1. Ratio method used to compare the number of the most common native
fishes (bluehead sucker, flannelmouth sucker, and roundtail chub)
collected in the fish trap of the Redlands passageway during high-
use vs. low-use periods, 1996-2000.
Year: 1996
Dates
No. of Days
Total No. of Fish
Ratio (High/Low Use)
Year: 1997
Dates
No. of Days
Total No. of Fish
Ratio (High/Low Use)
Year: 1998
Dates
No. of Days
Total No. of Fish
Ratio (High/Low Use)
Year: 1999
Dates
No. of Days
Total No. of Fish
Ratio (High/Low Use)
Year: 2000
Dates
No. of Days
Total No. of Fish
Ratio (High/Low Use)
High-Use Period Low-Use Period
6/24-7/31 8/ 1-10/25
38 86
5,630 2,245
2.51
4/ 1-7/31 8/ 1-10/24
122 85
9,156 2,549
3.59
4/ 1-6/30 7/31-10/27
90 89
4,878 1,096
4.45
5/ 1-7/ 2 7/31-10/ 8
93 70
5,228 918
5.69
4/ 1-5/31 8/ 1-10/25
61 86
4,026 551
7.31
I-1