三江源地区高寒湿地土壤微生物生物量碳氮磷及其化学计量特征

聂秀青, 王冬, 周国英, 熊丰, 杜岩功

Soil microbial biomass carbon, nitrogen, phosphorus and their stoichiometric characteristics in alpine wetlands in the Three Rivers Sources Region

NIE Xiu-Qing, WANG Dong, ZHOU Guo-Ying, XIONG Feng, DU Yan-Gong

表1 高寒生态系统和全球陆地生态系统的土壤微生物生物量化学计量特征(平均值和95%的置信区间)

Table 1 Stoichiometric characteristics of soil microbial biomass (results are shown as means and 95% confidence intervals) in alpine ecosystems and global biomes

植被类型 Vegetation type MBC MBN MBP MBC:MBN MBC:MBP MBN:MBP MBC:MBN: MBP 参考文献 Reference 高寒草甸 Alpine meadow 49.25a [38.92-61.58] 3.40a [2.83-4.12] 0.55a [0.42-0.69] 14.53a [12.76-16.17] 117.02a [79.22-168.91] 8.13a [5.64-11.79] 118:8:1 本研究 This study 高寒湿地 Alpine wetland 105.11b [81.33-133.33] 3.79b [2.58-5.16] 0.78a [0.55-1.06] 50.56b [37.33-65.33] 184.89b [156.25-213.18] 5.42a [4.22-6.89] 275:5:1 本研究 This study 高寒草甸 Alpine meadow 33.5 [30.1-37.2] 3.24 [2.69-3.89] 0.70 [0.61-0.80] 10.23 [9.77-10.96] 48.0 [43.8-52.6] 4.68 [3.98-5.50] 47.9:4.68:1 Chen et al., 2016 高寒草原 Alpine steppe 13.5 [11.9-15.4] 1.00 [0.79-1.29] 0.17 [0.14-0.20] 13.49 [12.02-15.14] 80.0 [71.4-89.5] 6.03 [4.79-7.41] 81.3:6.03:1 Chen et al., 2016 全球湿地平均值 Global wetland average 111.4 [84.4-147.0] 19.3 [14.5-25.9] 2.4 [1.1-5.4] 9.5 [7.7-11.8] 130.7 [62.1-275.0] 35.7 [14.0-91.2] 131:14:1 Xu et al., 2013 全球平均值 Global average 56.7 7.5 1.3 7.6 42.4 5.6 42:6:1 Xu et al., 2013 82.3 [69.2-97.7] 10.9 [9.1-12.9] 1.4 [1.1-1.6] 8.6 [8.3-8.9] 59.5 [55.9-63.1] 6.9 [6.5-7.3] 60:7:1 Cleveland & Liptzin, 2007