Fig. 6From: Contrasting bacterial and archaeal distributions reflecting different geochemical processes in a sediment core from the Pearl River EstuaryThe maximum likelihood tree of 16S rRNA gene sequences showing the phylogenetic affiliations of the bacterial (a) and archaeal (b) OTUs significantly related to geochemical factors (Spearman, \( \rho \) > 0.65, P < 0.0001). MHVG marine hydrothermal vent group. MBGD marine benthic group BBack to article page