9578

• UCREFRP Catalog Number: 9578
• Author: Hamilton, S. J. and e. al.
• Title: The Evaluation of Contaminant Impacts on Razorback Sucker Held in Flooded Bottomland Sites Near Grand Junction, Colorado - 1997.
• USFW Year: 2001.
• USFW - Doc Type: CAP6-WW,
• Copyright Material: NO

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Map of Colorado River basin.................................................................................... 3
Map of three sites located in the Grand Valley near Grand Junction,.
Colorado, used for a reproduction study with razorback sucker............................... 9
Map of ponds and east wetland at Horsethief Canyon State Wildlife Area
near Grand Junction, Colorado...... ................ ........ ............... ..................................... 11
Map of sampling stations at the Adobe Creek site near Grand Junction,

Colorado. ... ................ ........ .... ... ..... ............. .............. ....... .......................................... 13

Map of sampling stations at the Walter Walker State Wildlife Area site
near Grand Junction, Colorado.................................................................................. 15
Flow (Ips; liters per second) of the Colorado River and staff gage height
(m) at Walter Walker State Wildlife Area and Adobe Creek ................................... 26
Percent survival of razorback sucker larvae from four groups of adults
(.: Brood stock, 0: HorsethiefCanyon State Wildlife Area,.: Adobe
Creek, and 0: North Pond at Walter Walker State Wildlife Area) exposed
to A: Reference food and reference water, B: Reference food and site water,
C: Site food and reference water, D: Site food and site water ............................... 110
Percent survival of razorback sucker larvae from four groups of adults
(A: Brood stock, B: Horsethief Canyon State Wildlife Area, C: Adobe
Creek, and D: North Pond at Walter Walker State Wildlife Area) exposed
To.: Reference food and reference water;.: Reference food and site water,
0: Site food and reference water, 0: Site food and site water ............................... 112
Mean predicted time (days) to mortality of razorback sucker larvae from
four groups of adults (.: Brood stock, 0: Horsethief Canyon State Wildlife
Area,.: Adobe Creek, and 0: North Pond at Walter Walker State
Wildlife Area) at mortality levels: 50% (A), 90% (B), or 95% (C) ....................... 117

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