Growth and condition of bluegills in Wisconsin lakes: effects of population density and lake pH
Transactions of the American Fisheries Society
By: J.G. Wiener and W.R. Hanneman
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Abstract
Growth and condition of bluegills epomis macrochirusfrom five acidic lakes (pH 5.1-6.0) and six circumneutral lakes (pH 6.7-7.5) in northern Wisconsin were compared. Although mean condition factors and mean back-calculated total lengths at ages 1 to 4 varied significantly among lakes, the differences were not related to lake pH. Rather, the ranks of mean condition factors and back-calculated lengths at ages 2, 3, and 4 were negatively correlated with relative density of bluegills among the lakes. Because of the dominating effect of density, growth rates and condition factors are not useful as indicators of chronic, pH-related stress on bluegill populations.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Growth and condition of bluegills in Wisconsin lakes: effects of population density and lake pH |
| Series title | Transactions of the American Fisheries Society |
| Volume | 111 |
| Issue | 6 |
| Year Published | 1982 |
| Language | English |
| Publisher | U.S. Fish and Wildlife Service |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | pp. 761-767 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Transactions of the American Fisheries Society |
| First page | 761 |
| Last page | 767 |
| Google Analytic Metrics | Metrics page |