9432

• 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

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Table 1. Delination of control and treatment, i.e.,channel catfish removal reaches, reaches in the
Yampa River study area.

Longitudinal
Stratum Study Reaches Reach Length
1 Control 1 72.9-66.2 6.7
1 Removal 1 66.2-59.6 6.7
2 Control 2 59.6-52.5 7.2
2 Removal 2 52.5-45.3 7.2
,.., Control 3 45.3-38.9 6.4
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3 Removal 3 38.9-32.4 6.4
4 Removal 4 32.4-24.3 8.1
4 Control 4 24.3-16.2 8.1

Table 2. Dates and flows at the time of collection, and gear types used to collect channel catfish
from the lower Yampa River between 1998-1999.

Date Flow (cfs) Temperature Gear type
7/20-24/98 1,210-954 Electroshocker
8/1 0-15/98 769-559 Angling, Hoop Nets, Trot lines
8/17-25/98 485-445 Angling
9/1-4/98 314-285 Fyke Nets
9/3-6/98 275-269 Fyke Nets
9/8-11/98 224-205 Fyke Nets
9/1 0-13/98 222-213 Fyke Nets
9/15-19/98 354-329 Angling
6/28/99-7/1 /99 5,350-3520 Electroshocker
7/19-23/99 1,240-964 Angling
7/26-30/99 775-729 Angling
8/2-6/99 983-740 Angling
8/9-13/99 708-540 Angling
8/23-27/99 322-345 Angling
8/30/99-9/5/99 315-600 Angling

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