Table S1 - Distance-Decay and Taxa-Area Relationships for Bacteria, Archaea and Methanogenic Archaea in a Tropical Lake Sediment

Tentative genetic affiliation of the OTUs. For the three studied genes there are in the literature some genetic affiliation with different phylogenetic groups, we show some of these in this table. * The affiliation with the phylogenetic groups was based on literature data that used the same primers and restriction enzymes for TRFLP. All the affiliations are only tentative, and can only be interpreted as the probable main groups of the lake sediment community. (DOCX)操作分类单元（Operational Taxonomic Unit, OTUs）的暂定遗传学归属。针对本次研究涉及的3个基因，已有文献报道了其与不同系统发育类群的遗传学关联，本表格展示了其中部分关联结果。* 上述系统发育类群的归属判定，基于文献中采用相同引物与限制性内切酶进行末端限制性片段长度多态性（TRFLP）分析的数据。所有归属判定仅为暂定结果，仅可作为湖泊沉积物群落潜在主要类群的参考依据。(DOCX)