9688

• UCREFRP Catalog Number: 9688
• Author: Upper Colorado River Endangered Fish Recovery Program.
• Title: Nonnative Fish Control Workshop Summary, Conclusions, and Recommendations.
• USFW Year: 2002.
• USFW - Doc Type: Lakewood, CO.
• Copyright Material: NO

6000
5000
~
'
fA
ii 4000

~ 3000

~ 2000

Z 1000
1 0
CP SS FH RS OT WS BB CC RB GA BS SF BG LM BC YP RT BH FM
Fish Species
Figure 1. Fish sampled in 198 ponds along the Upper Colorado River (1997-2001); N = 15,316;
native fish = 371; nonnative fish = 14,945.
1,000,000
- a 800,000
C 600,000
L
~ 400,000
Z 200,000
0
CP SS FH RS MN WS BB CC PK SF BG LM BC RT FM
Fish Species
Figure 2. Fish removed from 73 chemically reclaimed ponds along, the Upper Colorado River
(1997-2001); N = 3,024,000; native fish = 500; nonnative fish = 3,023,500.
8o°i°
~ ~o°i°
o so°i°
a
~ 50%
M
.~ 40%
O
= 30%
u 20%
L
a 1 o°i°
o°i°
FH SS WS BB SF CP GS LM FM RT
Fish Species .
Figure 3. Percent reinvasion offish species into 35 reclaimed ponds along the Upper Colorado
River.
14