摘要: Estimates of Aufwuchs biomass derived from gravimetric, phytopigment, and adenosine triphosphate (ATP) analyses are evaluated compared with respect to each method's specificities biases. Samples glass slides in artificial streams treated chlorine, copper, dichromate, sucrose, dextrose, phosphate, or nitrogen were used compare these nontaxonomic methods as water quality assessment techniques. The correlations limitations the discussed. ATP analysis very favorably other techniques added another important dimension assessment. When corrected for extraction efficiency, provide a reliable estimate biomass. This can be combination estimates partition community into autotrophic-heterotrophic components viable organic carbon non-viable carbon. Ratios such chlorophyll carbon/ash-free dry weight (Trophic Index), carbon/ATP (Functional Trophic carbon/-ash-free (Viability Index) further assess impact perturbations on community.
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