黄河三角洲典型滨海盐沼湿地土壤CO2和CH4排放对水盐变化的响应

李雪, 董杰, 韩广轩, 张奇奇, 谢宝华, 李培广, 赵明亮, 陈克龙, 宋维民

Response of soil CO2 and CH4 emissions to changes in moisture and salinity at a typical coastal salt marsh of Yellow River Delta

LI Xue, DONG Jie, HAN Guang-Xuan, ZHANG Qi-Qi, XIE Bao-Hua, LI Pei-Guang, ZHAO Ming-Liang, CHEN Ke-Long, SONG Wei-Min

表4 不同水盐处理下土壤细菌α多样性指数(平均值±标准误)

Table 4 Soil bacterial alpha diversity index under different moisture and salinity treatments (mean ± SE)

盐分处理 Salinity treatment 水分处理 Moisture treatment 物种数量 Observed species PD whole tree指数 PD whole tree index Shannon-Wiener多样性指数 Shannon-Wiener diversity index Chao1指数 Chao1 index S1 W1 2 603.26 ± 41.57Ba 213.04 ± 10.30Ba 6.59 ± 0.41Ba 3 845.65 ± 165.76Ba W2 3 068.08 ± 36.67Aa 252.76 ± 3.12Aa 8.29 ± 0.12Ba 4 383.72 ± 70.05Aa W3 3 227.84 ± 34.21Aa 265.12 ± 3.10Aa 8.81 ± 0.05Aa 4 577.47 ± 47.85Aa W4 3 241.94 ± 56.62Aa 268.94 ± 5.06Aa 8.44 ± 0.13Aa 4 558.03 ± 63.28Aa S2 W1 2 629.74 ± 18.92Ba 223.32 ± 2.96Ba 6.46 ± 0.08Ca 3 881.19 ± 89.97Ba W2 2 541.14 ± 64.56Bb 219.07 ± 4.55Bb 6.95 ± 0.19Bb 3 836.97 ± 84.56ABb W3 2 903.29 ± 39.22Ab 241.88 ± 2.68Ab 7.72 ± 0.10Ab 4 290.19 ± 56.94Ab W4 3 002.14 ± 29.46Ab 251.94 ± 2.18Ab 8.00 ± 0.02Ab 4 395.78 ± 60.89Aa