Fig. 4From: Robust, high-productivity phototrophic carbon capture at high pH and alkalinity using natural microbial communitiesProductivity of a mixed-community biofilm grown at pH 9.0, 0.5 M bicarbonate illuminated with red light as a function of oxygen production (a) volumetric (b) and surface areal (c) productivity. d Relative abundance and taxonomic affiliations of abundant populations (>1% relative abundance) based on 16S rRNA gene sequencing on day 20. Eukaryotic algae sequences are based on BLAST identification of sequence reads identified as chloroplastsBack to article page