Theses and Dissertations


Title: Comparative sampling of macroinvertebrates in two embayments on Wheeler Reservoir

Name: Rouse, David Benjamin

Degree: MS

Chair: Dr. John M. Lawrence

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1973

Pages: 61

Keywords: Sampling,Macroinvertebrates,Embayments,Wheeler Reservoir.

Abstract:

Themacroinvertebrates were studied in two dissimilar embayments on Wheeler Reservoir. The purpose of this study was to determine the macroinvertebrate population present in the two embayments, the physical features in the population and if there was any relationship between numbers of fish food organisms found and fish sighted during electrofishing. Multiple-plate samplers constructed of three Plexiglass disks were used to collect the macroinvertebrates. Baker Creek drained an area of predominantly residential and industrial development. Mallard Creek drained an area of predominantly cultivated and forested land. Mallard Creek had the wider variety of organisms and higher number of intolerant forms. The stations located nearest the river showed a slight reduction in variety, but had no loss in intolerant forms. This condition was attributed to poor bottom type and harsh conditions created bt wind and wave action. The station at the upper end of Baker Creek showed little variety and only one intolerant form. The build-up pf silt on the plates indicated that poor bottom types was one factor causing the reduction. Stations located along the easr bank of Baker Creek showed the lowest variety and had no intolerant forms. Three outfalls from a chemical plant were located in this area. Strong currents and the possibility of harmful toxicants released from the outfalls weere felt to create these poor conditions. There was a direct relationship between the number of macroinvertebrates and sport fish sightrd during electrofishing.

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