WWRC 85-41
Development of a Rapid Method for Trout Stream Habitat Assessment Phase II
Study Objectives
Many methods have been developed to assess stream habitat quality
These methods provide a means to assess stream productivity and to predict
the effects of management decisions. Most methods to assess stream habitat
quality are dependent upon intensive measures of instream habitat,
consequently these methods are time consuming and costly. Studies of
drainage basin geomorphology Indicate that it may be a valuable predictor
of habitat quality, while at the same time being inexpensive data to
collect. Previous work has suggested a relation exists between drainage
basin geomorphology and instream habitat. This study addressed the
statistical relation among selected variables of both types in order to
provide insight into their relation with each other and with trout standing
stock.
The objectives of this study were:
- Evaluate by use of simple-linear regression, the relationship
between drainage basin geomorphology and instream habitat
variables with trout standing stock.
- Develop predicitve multiple-linear regression models for small
Wyoming trout streams based on variables shown to be
significantly (P<0.10) correlated to trout standing stock.
- Test these models with independent data.
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