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- Title
Stability of the Wabash River fish assemblages from 1974 to 1998.
- Authors
Pyron, Mark; Lauer, Thomas F.; Gammon, James R.
- Abstract
1. We measured temporal variability of the fish assemblage in the Wabash River using a 25-year electrofishing dataset through a combination of a time-lag analysis and multivariate analysis. 2. The fish assemblage had substantial year-to-year variation, but the overall abundance pattern did not change. Based on time-lag analyses and ordinations, there was only weak predictable directional change at individual sites. At the scale of the entire reach, however, the overall combined data had a statistically significant directionality with the time-lag analysis. 3. These results support the hypothesis that the middle Wabash River stream fish assemblage has undergone change over a time period of 25 years, although at the scale of individual sites this change was not detectable.
- Subjects
WABASH River; FISH communities; FISHES; AQUATIC animals; AQUATIC biology; ELECTRIC fishing; FISHING; FISHERIES; MULTIVARIATE analysis
- Publication
Freshwater Biology, 2006, Vol 51, Issue 10, p1789
- ISSN
0046-5070
- Publication type
Article
- DOI
10.1111/j.1365-2427.2006.01609.x