7025

• UCREFRP Catalog Number: 7025
• Author: Hawkins, J. A. and T. P. Nesler.
• Title: Nonnative Fishes in the Upper Colorado River Basin
• USFW Year: 1991.
• USFW - Doc Type: An Issue Paper.
• Copyright Material: YES

!

,~
,<
c,

Page

Hatchery augmentation .................................... 36

Question 10: Have any of these techniques been attempted? ............. 36

Sport fishery regulation ......................... . . . . . . . . . .. 36

Sportfish stocking ........................................ 37

Eradication .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 37

Habitat management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 37

Hatchery augmentation .................................... 37

Question 11: Have any institutional management programs
successfully eliminated or reduced effects of
undesirable introduced fishes? .,. . . . . . . . . . . . . . . . . . . . . . .. 37

Question 12: How are. state wildlife agencies balancing sportfishing
demands and native fish conservation needs? . . . . . . . . . . . . . .. 38

Question 13: Are introduced fish problems exacerbated by
other problems? .................................... 39

Question 14: What is State policy regarding introductions
of non-native fishes, and stocking in drainages
containing endangered fishes? ............... . . . . . . . . . .. 40

Question 15: Are these policies effective in practice? ....... . . . . . . . . . . .. 41

>,
~,

Question 16: What are management alternatives for
maintaining endangered fishes in waters with
permanent introduced fish problems? .................... 41

~

Question 17: How do introduced fish problems compare
with other potential impacts to endangered

fishes? ..................................'......... 43

~
i
l

t
\
I
(
,

i

III