. . . . "SDN:P01::ATPUPDIL" . "ATP_Daily_Uptake" . "Uptake rate (daily) of adenosine triphosphate (bioavailable) {ATP CAS 56-65-5} per unit time per unit volume of the water body [particulate >0.2um phase] by isotopic dilution time-series incubations, filtration and counting residue and calculation from regression of radioactivity against incubation time for each dilution and extrapolation to turnover time at ambient concentration"@en . "accepted"@en . "The uptake rate over 24 hours of bioavailable ATP from a body of salt or fresh water estimated from dilution experiments following the protocol of Zubkov et al. (2007)"@en . . . . . . . . . .