WWRC 87-14
Contribution of Riparian Vegetation to Trout Cover in Small Streams
Abstract
Cover is an important trout habitat component resulting from the geomorphologic
characteristics of a stream channel, the stream-bank interface with the riparian community, and
the stream flow. By means of regression analysis, this study quantitatively describes the relative
importance of three cover parameters (overhead bank cover, rubble-boulder-aquatic vegetation
areas, and deepwater areas) and two cover models as indicators of trout standing stock in eight
small streams in southeast Wyoming. Results indicated that overhead bank cover, provided primarily
by riparian vegetation, is the cover parameter that explains the greatest amount of variation
in trout population size.
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