LEWIS SMITH LAKE - Auburn University

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Most of the particulate fraction is composed ofdead organic matter with living plankton contributing a small amount to the total (Wetzel 1983). The overwhelming influence ofdissolved organic carbon, most ofwhich is contributed from the watershed, tends to stabilize TOe concentrations and prevents wide fluctuations in concentration both spatially and temporally (Tables 10-30 through 10-33). TOe concentrations in Smith Lake ranged from a low of2.38 mgIL in winter and spring at station 5 to a high of 5.22 mgIL at station 8 in the fall. There was little variation in seasonal mean TOe concentrations among stations during any season. Embayment concentrations were usually similar to nearby mainstem sampling areas. Seasonal mean TOe concentrations increased throughout the growing season (spring through fall) in concert with similar changes in chlorophyll i! (algal biomass) (Tables 10-30, 10-31, 10 32 and 10-33). Smith Lake TOe concentrations were generally well below TOe concentrations measured in some eutrophic Alabama lakes. For example, seasonal mean TOe concentrations measured in Lake Neely Henry ranged from a low oD.4 mgIL in the spring of 1993 to a high of9.7 mgIL during the summer of 1994 (Bayne et al. 1995). 127
11.0 BIOLOGICAL RESOURCES 11.1 Fishery Smith Lake is known for its excellent spotted bass fishery and more recently a trophy striped bass fishery. Continuing public interest and concern has resulted in reservoir sampling by Alabama Game and Fish during 1987, 1988 and 1990-1993 as part oftheir Reservoir Management Program. Fisheries data from the most recent (1993) management report are presented in Tables 11-1 through 11-2. Electrofishing, gillnetting and seining were all utilized to determine the composition and condition of the sportfish and other species in the lake. Electrofishing involved 30 minutes ofsampling (pedal down time) at each of 10 randomly selected sites. Results from the 1994-1995 Bass Anglers Information Team (B.A.LT.) annual report are presented in Tables 11-3 and 11-4. The B.A.LT. program was designed to compliment the Alabama Reservoir Management Program and provides angling results related to only the black bass fishery. A list of fish species collected from Smith Lake and the surrounding watershed appears in Table 11-5. While bass tournaments on the lake declined in number since 1993, the bass populations showed improvement in number ofbass caught per day in 1995. The establishment ofa slot limit of 13-16 in. in 1995 could have produced this effect. The goal ofthis slot limit was to protect 3 and 4 year old fish and improve bass size structure within the lake. However, the establishment ofthis slot limit probably contributed to the overall low ranking received by Smith Lake in the B.A.LT. report based on quality indicators by anglers (Table 11-4). Spotted bass are the dominant Micropterus species in Smith Lake due to favorable habitat. Results from both the 1993 reservoir sampling and 1995 angling indicate that spotted bass continue to exhibit modest growth. The state has stocked Gulf Coast striped bass and Florida largemouth bass in Smith Lake since 1980 (Table 11-6). Controversy and support of the striped bass stocking program continues around the 128
Page 1 and 2:
LEWIS SMITH LAKE Phase I Diagnostic
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EXECUTIVE SUMMARY
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January 1986 (Bayne et al. 1987). T
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Total alkalinity, the concentration
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found at concentrations ranging fro
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etween 10 and 15 mgIL as CaCO, but
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Table 1-1. Table 1-2. Table 2-1. Ta
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List ofTables (Continued) Table 10-
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List ofTables (Continued) Table 10-
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LIST OF FIGURES Figure 8-I. Locatio
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PARTI. DIAGNOSTIC STIJDY 1
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Table I-I. Morphometric characteris
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2.0 BASIN GEOLOGY AND DRAINAGE Smit
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Table 2-1 (Cont'd) Suitability/Limi
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4.0 SIZE AND ECONOMIC STRUCTIJRE OF
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- U. II Table 4-2. Number ofbusines
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I, Table 4-4. Agricultural producti
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7.0 LAKE USE COMPARISON WIlli NEARB
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00 Table 8-1. Actual point source l
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N 0 Table 8-1 (Continued) Actual To
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N N Table 8-1 (Continued) Actual To
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Table 8-1 (Continued) Actual Total
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tv 0- Table 8-2 (Continued) Permitt
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Annual point source total suspended
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Table 9-1. Location oftributary sam
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nitrogen, nitrite-nitrogen, total a
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highly positively correlated (p < 0
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(31.4% and 30.5%, respectively). Ro
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In 1985, the paucity ofinfonnation
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population of 1.15 million. In addi
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V> tv Table 10-1. Schedule of activ
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..,. en IN o 2 4 i Miles Figure 10-
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sample were poured into Nalgene"' c
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flows encountered in 1995,428 days.
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Table 10-6. Mean (range) temperatur
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Table 10-8. Mean (range) temperatur
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Examination oftemperature, DO and s
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Table 10-10. Mean (range) turbidity
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Table 10-12. Mean (range) turbidity
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Table 10-14. Mean (range) Secchi di
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Table 10-16. Mean (range) Secchi di
Page 105 and 106: a low of 7 mgIL to a high of67 mgIL
Page 107 and 108: Table 10-18. Mean (range) pH, total
Page 109 and 110: Table 10-20. Mean (range) pH, total
Page 111 and 112: Table 10·21. Ammonia, nitrite, nit
Page 113 and 114: Table 10-23. Mean (range) ammonia,
Page 115 and 116: in concert with changes in algal bi
Page 117 and 118: Table 10-25. Orthophosphate and tot
Page 119 and 120: Table 10-27. Mean (range) orthophos
Page 121 and 122: stratification (Fig. 10-2). During
Page 123: Table 10-30. Chloride, total organi
Page 126 and 127: Table 10-33. Mean (range) chloride,
Page 128 and 129: In August 1986, iron and manganese
Page 130 and 131: 1971). Productivity measured during
Page 132 and 133: Table 10-36. Mean (range) phytoplan
Page 134: Table 10-38. Mean (range) phytoplan
Page 139: Table 10-39. Phytoplankton taxa by
Page 145: (station 2) in the winter to a high
Page 149 and 150: Table 10-41. Mean (range) phytoplan
Page 151 and 152: Table 10-42. Mean maximum dry weigh
Page 153: Table 10-43. Temporal and spatial v
Page 157 and 158: Table 11-1. Total number, catch per
Page 159 and 160: Table \\-3. Ranking by quality indi
Page 161 and 162: Table 11-5. Checklist of fish speci
Page 163 and 164: Table 11-5 (Continued) Scientific N
Page 165: 11.2 WILDLIFE A checklist ofbirds,
Page 169 and 170: Table 11-7 (Continued) Family Scien
Page 174: Table 11-7 (Continued) Family Scien
Page 181 and 182: PART II. FEASffiILITY STUDY 154
Page 183 and 184: from Atlanta, Georgia received an a
Page 185 and 186: An additional source ofnutrients to
Page 187 and 188: Indirectly, low pH can result in hi
Page 189 and 190: 13. Are there additional feasible a
Page 191 and 192: Bayne, D. R., W. C. Seesock, P. P.
Page 193: Taylor, W.D., S.c. Hem, L.R. Willia
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LEWIS SMITH LAKE - Auburn University

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