Changes in fish communities following concrete lining of the Coachella Canal, southeastern California
Journal of the Arizona-Nevada Academy of Science
By: Gordon Mueller, Gary Bryant, and Tom Burke
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Abstract
The fish community of a 3.4-km section of the concrete-lined Coachella Canal, Imperial County, California, was comprised of six species, with an absolute density of 0.039 fish/m2 and estimated biomass of 4.367 g/m2. When compared to studies conducted in the canal prior to lining, or in other unlined areas, these data suggest reductions in species diversity (-14.3 to -62.5%), density (+8.9 to =83.8%), and biomass (-30.1 to -91.2%). These data support speculations that numbers of river-adapted fish would remain relatively high in a concrete-lined canal, but lentic and cover-oriented fishes such as centrarchis would decline.
Suggested Citation
Mueller, G., Bryant, G., and Burke, T., 1989, Changes in fish communities following concrete lining of the Coachella Canal, southeastern California: Journal of the Arizona-Nevada Academy of Science, v. 23, no. 1, p. 1-6.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Changes in fish communities following concrete lining of the Coachella Canal, southeastern California |
| Series title | Journal of the Arizona-Nevada Academy of Science |
| Volume | 23 |
| Issue | 1 |
| Year Published | 1989 |
| Language | English |
| Publisher | Arizona Academy of Science |
| Publisher location | Tucson, AZ |
| Description | 6 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of the Arizona-Nevada Academy of Science |
| First page | 1 |
| Last page | 6 |
| Country | United States |
| State | California |
| County | Imperial County |
| Other Geospatial | Coachella Canal |