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. 2003 Jul;69(7):3739–3750. doi: 10.1128/AEM.69.7.3739-3750.2003

FIG. 2.

FIG. 2.

Physical, chemical, and biological parameters in the chemocline of Lake Dagow on 4 July 1998. (A) Conductivity, temperature, and pH. (B) Concentrations of molecular oxygen and sulfide. (C) Numbers of phototrophic consortia and total cell number (TCN). (D) Concentrations of BChl a, BChl d and e, and Chl a. (E) Fraction of green sulfur bacteria (GSB) associated with phototrophic consortia as determined by fluorescence in situ hybridization. (F) CO2 assimilation rates as determined by incubation with NaH14CO3.