Research Article

The Distribution Pattern of Sediment Archaea Community of the Poyang Lake, the Largest Freshwater Lake in China

Table 4

Statistical analysis of microbial communities (some rare groups were not included (clones < 5)) with water depth and sediment chemical properties.

Pearson correlationAFDMWater depth (m)SMTOC (gkg−1)TN (gkg−1)TP (gkg−1)C : NN : PpHCu (μgg−1)Zn (μgg−1)Pb (μgg−1)Cd (μgg−1)

Taxa_S0.5280.3550.8810.3280.0880.2760.040−0.5890.4420.5330.5030.1210.717
Shannon0.4800.3660.7580.3110.2910.124−0.163−0.2890.6610.3260.5380.0130.492
Simpson0.4990.3230.7010.3710.3950.128−0.239−0.1470.7280.2930.580−0.0050.429
Evenness−0.2120.7780.435−0.045−0.064−0.2380.362−0.4950.131−0.201−0.065−0.8220.258
ACE0.538−0.276−0.090−0.011−0.022−0.342−0.8870.5540.076−0.274−0.1720.165−0.194
Bathyarchaeota0.833−0.335−0.2300.7710.3950.822−0.108−0.1040.3730.8340.6650.6710.714
Pacearchaeota−0.1660.3340.3080.4520.1740.5930.855−0.438−0.1320.4840.315−0.3240.620
Methanosarcinales−0.2090.158−0.3210.3490.412−0.024−0.1690.1670.562−0.244−0.029−0.725−0.138
Methanocellales0.728−0.2430.1370.5510.457−0.040−0.5100.3170.6240.0420.192−0.0620.035
Methanomicrobiales0.321−0.2890.6020.7980.4950.7990.277−0.4080.3530.8560.4790.0810.765
Methanobacteriales−0.4180.3200.0250.3520.3760.5060.636−0.205−0.0790.2410.402−0.3700.280
Woesearchaeota0.0800.7470.577−0.083−0.3830.005−0.308−0.135−0.3380.1860.355−0.1630.476
Thermoplasmata0.171−0.4080.2060.1250.5160.313−0.0890.2380.5480.2850.3960.644−0.003
Thaumarchaeota−0.0600.7190.409−0.218−0.234−0.3500.019−0.4750.148−0.1500.003−0.4610.213
Unclassified archaea−0.268−0.267−0.807−0.716−0.545−0.904−0.4810.492−0.387−0.869−0.936−0.171−0.882

Correlation is significant at the 0.05 level; correlation is significant at the 0.01 level.