7945

• UCREFRP Catalog Number: 7945
• Author: Bovee, K. D. and T. Cochnauer.
• Title: Development And Evaluation Of Weighted Criteria Probability-Of-Use Curves For Instream Flow Assessments
• USFW Year: 1977.
• USFW - Doc Type: Fisheries, Instream Flow Information Paper No. 3.
• Copyright Material: NO

LIST OF FIGURES
Pa e
Figure 1. Example of probability crizer~a used 3
in the IFG incremental method.
Figure 2. Example of a probability curve constructed 10
from the frequency distribution in Table 3.
Figure 3. Example of a probability-curve constructed 12
using range-and-optimum analysis.
Figure 4. Example of a probability curve constructed 13
using parameter overlap analysis. Type A
optimum, B and C used, and D not used.
Figure 5. Cumulative percentage of median particle 17
sizes in brown trout redds (Reiser and
Wesche 1977)_.
Figure 6. Outline .grid method for determining flow 24
criteria for species which occur in large
groups.
Figure 7. Example of a depth contour map used in the 26
mapping method of criteria development, with
depths in feet.
Figure 8. Species location and abundance map for 27
area in Figure 7.
Figure 9. Computer conceptualization of simulated stream 31
reach. Hydraulic parameter of depth, velocity,
and substrate for each major transect sub-
division assigned to area of subdivision block.
Figure 10. Probability of use curves for adult small- 33
mouth bass.
Figure 11. Weighted usable area versus median (1 in 36
2 year frequency) monthly flows.
Figure 12. Discharge incremental approach to assessing 37
habitat values of different streamflows in
two streams, for juvenile smallmouth bass.
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