โ Scribed by H. F. Bittaker; R. L. Iverson
No coin nor oath required. For personal study only.
A 6-day in situ comparison between the Wetzel inorganic 14C uptake and Zieman leafbiomass techniques for measuring net primary production rates in the seagrass Thalassia testudinum was performed in the northeastern Gulf of Mexico. Measurement differences between the two methods were insignificant when the 14C uptake technique was corrected for sediment 14C "uptake" (13%), incubation-chamber light-energy absorption (14%) and differences in total light-energy which resulted from the experimental design (7.7%). These results reinforce previous observations that the 14C technique estimates net particulate-carbon production.
๐ SIMILAR VOLUMES
Objective: Five methods for oxalate analysis in urine are compared with respect to reliability, accuracy, and practicability. Results: Suppressed and unsuppressed ionchromatography, as well as the enzymatic Sigma-Kit, achieve low coefficients of variation for the within-batch imprecision (1.1-8.0%)