9360

• UCREFRP Catalog Number: 9360
• Author: Bundy, J. M. and K. R. Bestgen.
• Title: Evaluation of the Interagency Standardized Monitoring program Sampling Technique in Backwaters of the Colorado River in the Grand Valley, Colorado.
• USFW Year: 2001.
• USFW - Doc Type: Fort. Collins.
• Copyright Material: NO

ISMP backwater sampling evaluation
LIST OF TABLES
Page
Table 1. Backwater surface area and percentage of surface area sampled by the
Interagency Standardized Monitoring Program (ISMP) technique
in the Grand Valley reach of the Colorado River, CO, 1997-1998 .......................42
Table 2. Fish captured in eight backwaters sampled in the Grand Valley reach of the
Colorado River, CO, spring 1998 ..........................................................................43
Table 3. Comparison of frequencies of detection for fish species in backwaters for
depletion and mark-recapture (DMR) and Interagency Standardized
Monitoring Program (ISMP) sampling techniques, in the Grand Valley
reach of the Colorado River, CO, 1997-1998 ......................................................... 44
Table 4. Proportion of red shiner, sand shiner, fathead minnow, green sunfish, and
largemouth bass removed on successive sampling passes in backwaters of the
Grand Valley reach of the Colorado River, CO, 1997 and 1998 ............................ 5
Table 5. Parameter estimates for best-fit logistic regression models for predicting
probability of presence of largemouth bass and green sunfish as a function of
habitat variables ......................................................................................................46
Table 6. Parameter estimates for general linear models (GLM) for log (n+1) density
(fish/ 10 in') of red shiner, sand shiner, and fathead minnow (species combined),
and largemouth bass and green sunfish as a function of several habitat variables
and year (1997 or 1998) ....................................................................................... 47
Table 7. Number of species collected in each backwater by depletion, mark-recapture
(DMR) and Interagency Standardized Monitoring Program (ISMP) sampling
techniques in the Grand Valley reach of the Colorado River, CO, 1997-
1998 ....................................................................................................................... 48
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