7843

• UCREFRP Catalog Number: 7843
• Author: Stalnaker, C. B., et al.
• Title: The Instream Flow Incremental Methodology, A Primer for IFIM.
• USFW Year: 1995.
• USFW - Doc Type: Biological Report 29,
• Copyright Material: NO

Problem Resolution .
For More Information
Cited Literature . . . . .
Glossary i' . . . . . . . .
Reader Cpmment Form for Primer.

Figures

Fig. 1.1. <!)verview of the Instream Flow Incremental Methodology.
I
Fig. 2.1. Use ofthe wetted perimeter method to estimate instream flows. .
Fig. 2.2. Flow-habitat relation developed by using PHABSIM. . . . . . . .
Fig. 2.3. Suitability-of-use curves for brown trout. .............
Fig. 2.4. Example fish population size related to usable habitat area using the IFIM.
Fig. 2.5. Duration analysis of habitat available under baseline conditions,
with-project, and after mitigation of project. . . . . . . . . . . . . . . . . . . . . .
Fig. 2.6. Spectrum of problem-solving methodologies. .................
Fig. 3.1. Longitudinal succession schematic. Shading denotes approximate gradient
from headwaters to intermediate stream to mature river. .
Fig. 3.2. An example of microhabitat specificity. ......
Fig. 4.1. Species periodicity chart. . . . . . . . . . . . . . .
Fig. 4.2. Channel aggradation' compared with degradation.
Fig. 5.1. Calibration process. . . . . . . . . . . . . . . . . .
Fig. 5.2. Total habitat combines elements of macro habitat and microhabitat. .
Fig. 5.3 Conceptualization of how PHABSIM calculates habitat values as a function

of discharge. ......................................

Tables

Table 2.1. The opposite ends of the problem-solving spectrum. . . . . . . . . . . . . .
Table 2.2. Instream flow analysis based on the Tennant method ............
Table 4.1. Major factors influencing habitat of river ecosystems based on spatial scale
of the processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4.2. Primary ways that human-induced alterations impact river ecosystem
biological integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4.3. IFIM models developed for integrating the spatial and temporal scales of
habitat analyses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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