Export OF P01 One armed bandit search "Conceptid (P01)","Preflabel (P01)","Conceptid (P02)","Preflabel (P02)" "URSDIIP1","Uptake rate standard deviation of urea {CAS 57-13-6} per day per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, incubation at unspecified light level, filtration and mass spectrometry on residue","AMUP","Regenerated production in water bodies"