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- W1991489780 abstract "From October 1986 to December 1987, a study on the evolution ot the primary productivity in a wastewater stabilization pond was carried out in situ using the C‐14 technique. Most primary productivity measurements are limited to relatively short exposure times (≃2hr), this creates problems in estimating daily rates, although these difficulties could be overcome by summing experiments performed over a whole day. However, for routine purposes such procedure is impracticable. The only way to reach meaningful estimates is the use of theoretical models. A semiempirical model is applied for the evaluation of primary productivity in a sewage pond. The data base necessary for the model development are key nutrients, light, and temperature. The inorganic phosphorus and nitrogen and the inorganic carbon (as free CO2 present in the local environment of algal cells) are the limiting factors for the phytoplanktonic development. On the other hand, the photosynthetic activity depends mainly on the light intensity and temperature. The Nelder and Mead method was used for the calibration of the model." @default.
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- W1991489780 date "1991-11-01" @default.
- W1991489780 modified "2023-09-25" @default.
- W1991489780 title "Primary Productivity in Sewage Pond: Semiempirical Model" @default.
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- W1991489780 doi "https://doi.org/10.1061/(asce)0733-9372(1991)117:6(771)" @default.
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