Preoperational assessment of water quality and biological resources of Guntersville Reservoir in the vicinity of Bellefonte Nuclear Plant, 1974-1984. Volume 2. Tables

Technical Report · Tue Oct 01 04:00:00 EDT 1985

OSTI ID:5980427

Baseline aquatic conditions in the vicinity of TVA's Bellefonte Nuclear Plant (BLN) are described for the period 1974 through 1984 with regard to spatial, seasonal, and temporal observations. Results from all instream preoperational monitoring activities are presented. Included are assessments of physical reservoir data, water quality data, and descriptions of aquatic flora (phytoplankton, periphyton, aquatic macrophytes) and fauna (zooplankton, benthic macroinvertebrates, planktonic, juvenile and adult fish). Spatial analyses indicated greater abundance of planktonic organisms from habitat along the left descending overbanks than in the mainstream river channel. An opposite trend was indicated for periphyton. Phytoplankton abundance and relative amounts of blue-green algae were greatest at overbank and channel stations downstream of BLN. Greatest zooplankton abundance (both habitats) occurred opposite the BLN site with significantly fewer organisms at the upstream control station. Ichthyoplankton data identified the Tennessee River upstream of BLN as an important spawning area for Polyodon spathula (paddlefish) and Stizostedion canadense (sauger). High densities of freshwater drum eggs were also observed in the vicinity of BLN and upstream. Consistent spatial trends were not observed for aquatic macrophytes and most fish species.

• Research Organization: Tennessee Valley Authority, Knoxville (USA). Div. of Air and Water Resources
• OSTI ID: 5980427
• Report Number(s): TVA/ONRED/WRF-86/1b; ON: DE86901270
• Country of Publication: United States
• Language: English

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