9701

• UCREFRP Catalog Number: 9701
• Author: Modde, T., Z.H. Bowen and D.C. Kitcheyan.
• Title: Spatial and temporal use of a spawning site in the middle Green River by wild and hatchery-reared razorback sucker.
• USFW Year: 2005.
• USFW - Doc Type: Transactions of the American Fisheries Society
• Copyright Material: YES

944 MODDE ET AL. Transactions of the America
® Copyright by the America
DOI: 10.1577!1'04029.1
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ehler. 1992. Measurement of egg and larval thy-
roxine concentrations as an indicator of the critical
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rauchen texanus (Abbott)]: implications for recov-
ery of endangered stocks in the Colorado River ba-
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1996. Evidence for chemical imprinting in razor-
back sucker (Xyrauchen texanus): results of 1995
investigations. U.S. Bureau of Reclamation, Annual
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Salt Lake City, Utah.
Tyus, H. M., and C. A. Karp. 1990. Spawning and move-
ments of razorback sucker, Xyrauchen texanus,in
the Green River basin of Colorado and Utah. South-
western Naturalist 35:427-433.
USFWS (U.S. Fish and Wildlife Service). 1991. En-
dangered and threatened wildlife and plants: the ra-
zorback sucker (Xyrauchen texanus) determined to
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Mountain-Prairie Region, Denver.
Geochel
Abstract.-VI
quantify the e_
from juvenile
three major dr
system in Mon
natal streams
cutthroat trout
signatures of t
function analy;
the natal strea.
validated class
in the South F
drainage level,
the Middle For
and Ba:Ca rati
the otoliths of i
as natural marl
tags to identify
system and in
whether elemet
of adult fish afi
An understanding
namics of fish popul
management. Geoche
cified structures of fi
scales, have been cor
to determine natal on
tory of individual fish
2001; Kennedy et al. 2
have focused on estl
ments (Campana et a
Thorrold et al. 2001),
ists for freshwater s
1993; Kennedy et al.
Many studies have s
ers in otoliths provide
record of the environs
* Corresponding author:
Received February 19, 20C
Published online June 22,