Correlations among densities of stream fishes in the upper Neosho River, with focus on the federally threatened Neosho madtom Noturus placidus
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Abstract
We sampled fishes monthly from November 2000 to October 2001 at four gravel bar sites along a 34-km stretch of the upper Neosho River in Lyon County, Kansas. We assessed the potential for interspecific competition among stream fishes, with focus on the federally threatened Neosho madtom, Noturus placidus, by using Pearson's correlation analysis with sequential Bonferroni correction of alpha to examine relationships among fish densities. Of the 19 fish species analyzed, there were six significant positive and no significant negative correlations. Abundance of N. placidusdid not vary significantly with total abundance of fishes or with abundance of any of these potential competitors. The lack of significant negative correlations at these sites at this time might reflect an assemblage in equilibrium or one controlled abiotically rather than by ongoing active competition.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Correlations among densities of stream fishes in the upper Neosho River, with focus on the federally threatened Neosho madtom Noturus placidus |
| Series title | Transactions of the Kansas Academy of Science |
| DOI | 10.1660/0022-8443(2004)107[0017:CADOSF]2.0.CO;2 |
| Volume | 107 |
| Issue | 1 & 2 |
| Year Published | 2004 |
| Language | English |
| Publisher | Kansas Academy of Science |
| Contributing office(s) | Columbia Environmental Research Center |
| Description | 8 p. |
| First page | 17 |
| Last page | 24 |
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