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1 March 2003 HABITAT ASSOCIATIONS WITH UPLAND STREAM FISH ASSEMBLAGES IN BANKHEAD NATIONAL FOREST, ALABAMA
Steven L. Powers, Ginger L. Jones, Petra Redinger, Richard L. Mayden
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Abstract

Fishes and habitat were sampled at nine sites in the Sipsey Fork River drainage in Bankhead National Forest, Alabama. Stream width, depth, current velocity, substrate type, bank height and amount of large woody debris (LWD) were measured at each site to test for association of these habitat variables with upland stream fish assemblages. Regression of habitat variables onto species richness indicated that only bank height was significantly associated with species richness in our study area. The lack of habitat associations with species richness seemingly contradicts findings by several previous investigators working in lowland streams. The availability of large substrate and both deep and shallow habitats at all sites may have reduced the observed association of these variables and LWD with stream fish assemblages. Stream width and current velocity, though not significant, did show strong positive correlations with species richness. The significant association between high banks and species richness may reflect a more intact riparian zone due to inaccessibility of streams in gorges.

Steven L. Powers, Ginger L. Jones, Petra Redinger, and Richard L. Mayden "HABITAT ASSOCIATIONS WITH UPLAND STREAM FISH ASSEMBLAGES IN BANKHEAD NATIONAL FOREST, ALABAMA," Southeastern Naturalist 2(1), 85-92, (1 March 2003). https://doi.org/10.1656/1528-7092(2003)002[0085:HAWUSF]2.0.CO;2
Published: 1 March 2003
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