9502

• UCREFRP Catalog Number: 9502
• Author: Osmundson, D.
• Title: Population Dynamics of Colorado Pikeminnow in the Upper Colorado River.
• USFW Year: 2002.
• USFW - Doc Type: Grand Junction.
• Copyright Material: NO

LIST OF TABLES
1. Annual population size estimates for the lower and upper reaches
of the Colorado River study area for the 1991-1994 and 1998-2000 periods ..... 15
2. Annual population size estimates for the entire Colorado River study area ...... 16
3. Estimated annual growth increments for Colorado pikeminnow 400 mm
total length (TL) and longer in the Colorado River ........................ 32
4. Estimated annual growth increments for male (M) and female (F) Colorado
pikeminnow 400 mm total length (TL) and longer in the Colorado River ....... 36
5. Estimates of annual population increase and decrease of adult Colorado
pikeminnow in the Colorado River based on expected recruitment and
survival, 1991-1994 and 1998-2000 ................................... 47
6. Colorado River annual pikeminnow mortalities associated with Recovery
Program activities, 1990-2001 ....................................... 50
Appendix
I. Number of total captures and recaptures of Colorado pikeminnow
of three length classes in each of two sampling passes in the lower reach
study area, 1992-1994 and 1998-2000 ................................. 63
H. Number of total captures and recaptures of Colorado pikeminnow
of three length classes in each of three sampling passes in the upper reach
study area, 1991-1994 and 1998-2000 ................................. 64
III. Population point estimates, standard errors, probability of capture and
coefficient of variation from Colorado pikeminnow sampling in the
upper and lower reaches of the Colorado River study area, 1991-1994
and 1998-2000 ................................................... 65
iii