Urbanization in a great plains river: Effects on fishes and food webs
River Research and Applications
By: J.L. Eitzmann and C.P. Paukert
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Abstract
Spatial variation of habitat and food web structure of the fish community was investigated at three reaches in the Kansas River, USA to determine if ??13C variability and ??15N values differ longitudinally and are related to urbanization and instream habitat. Fish and macroinvertebrates were collected at three river reaches in the Kansas River classified as the less urbanized reach (no urban in riparian zone; 40% grass islands and sand bars, braided channel), intermediate (14% riparian zone as urban; 22% grass islands and sand bars) and urbanized (59% of riparian zone as urban; 6% grass islands and sand bars, highly channelized) reaches in June 2006. The less urbanized reach had higher variability in ??13C than the intermediate and urbanized reaches, suggesting fish from these reaches utilized a variety of carbon sources. The ??15N also indicated that omnivorous and detritivorous fish species tended to consume prey at higher trophic levels in the less urbanized reach. Channelization and reduction of habitat related to urbanization may be linked to homogenization of instream habitat, which was related to river food webs. ?? 2009.
Suggested Citation
Eitzmann, J., Paukert, C., 2010, Urbanization in a great plains river: Effects on fishes and food webs: River Research and Applications, v. 26, no. 8, p. 948-959, https://doi.org/10.1002/rra.1326.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Urbanization in a great plains river: Effects on fishes and food webs |
| Series title | River Research and Applications |
| DOI | 10.1002/rra.1326 |
| Volume | 26 |
| Issue | 8 |
| Publication Date | November 18, 2009 |
| Year Published | 2010 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | River Research and Applications |
| First page | 948 |
| Last page | 959 |