Influence of summer water-level variability on St. Lawrence River-wetland fish assemblages
Journal of Freshwater Ecology
By: J.E. McKenna Jr., J.L. Barkley, and J. H. Johnson
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Abstract
Water-level and associated variability are substantial influences on wetland and shallow aquatic communities. The Akwesasne Wetland Complex is an extensive St. Lawrence River system affected by water regulation. The responses of fish assemblages to short-term summer water-level variation were examined throughout this section of the St. Lawrence River and its tributaries. An influence of water-level variability was detected on abundance of three common species [bluntnose minnow (Pimephales notatus), rock bass (Amboplites rupestris), and white sucker (Catastomus commersonii)] and explained 30-44% of variation. This influence has implications for water regulation and natural resource management, and a larger scope evaluation may reveal more extensive effects.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Influence of summer water-level variability on St. Lawrence River-wetland fish assemblages |
| Series title | Journal of Freshwater Ecology |
| Volume | 23 |
| Issue | 4 |
| Year Published | 2008 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Freshwater Ecology |
| First page | 513 |
| Last page | 517 |
| Google Analytic Metrics | Metrics page |