University of Illinois Urbana-Champaign

Effects of Environmental Factors and Sport Fisheries Management Practices on Largemouth Bass (Micropterus Salmoides) Fluctuations in Abundance in Illinois Inland Lakes

Riedel, Ralf Peter

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Description

Title
Effects of Environmental Factors and Sport Fisheries Management Practices on Largemouth Bass (Micropterus Salmoides) Fluctuations in Abundance in Illinois Inland Lakes
Author(s)
Riedel, Ralf Peter
Issue Date
1999
Doctoral Committee Chair(s)
Peter Bayley
Department of Study
Biology
Discipline
Biology
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Environmental Sciences
Language
eng
Abstract
Linear regression was used to analyze predictors' effects on the response variables. Each anthropogenic predictor was analyzed for main effects and first-order interactions with the environmental predictors. Multiple-lake (for broad-based treatment effects) and lake-specific analyses of the anthropogenic component were performed. Anthropogenic factors accounted for more variability in response variables than environmental factors. The age-1 response variable decreased the first year and increased the second year following lake rehabilitation. The adult response variable increased following the imposition of all length limits. None of the predictors analyzed accounted for differences in lake productivity. Recruitment at age-2 correlated only with age-1 abundance.
Graduation Semester
1999
Type of Resource
text
Permalink
http://hdl.handle.net/2142/85403

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