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Phosphorus Flux from Bottom Sediments in Lake Eucha, Oklahoma

B. E. Haggarda,*, P. A. Moore, Jr.b and P. B. DeLaunec

a USDA-ARS, Poultry Production and Product Safety Research Unit, 203 Engineering Hall, Fayetteville, AR 72701
b Jr., USDA-ARS, Poultry Production and Product Safety Research Unit, 110 Agriculture Hall, Fayetteville, AR 72701
c Biological Engineering Department, University of Arkansas, 203 Engineering Hall, Fayetteville, AR 72701



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Fig. 1. Map showing the Lake Eucha catchment in Arkansas and Oklahoma and the three sediment sampling sites at Lake Eucha, Oklahoma.

 


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Fig. 2. Soluble reactive phosphorus concentrations under aerobic and anaerobic conditions with incubation time in the overlying water of the intact sediment cores from threes site in Lake Eucha (symbols are the mean of three data points).

 


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Fig. 3. Soluble reactive phosphorus concentrations following alum treatment under aerobic and anaerobic conditions with incubation time in the overlying water of the intact sediment cores from threes site in Lake Eucha (symbols are the mean of three data points).

 





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