不同退化阶段亚高山草甸土壤原生生物群落多样性特征及驱动因素

罗正明, 刘晋仙, 张变华, 周妍英, 郝爱华, 杨凯, 柴宝峰

Diversity characteristics and driving factors of soil protist communities in subalpine meadow at different degradation stages

Zhengming Luo, Jinxian Liu, Bianhua Zhang, Yanying Zhou, Aihua Hao, Kai Yang, Baofeng Chai

图6 环境因子相关性及环境与土壤原生生物群落关系的Mantel分析。SWC: 土壤含水量; Clay: 粘粒含量; Silt: 粉粒含量; Sand: 砂粒; TN: 全氮; TC: 总碳; C/N: 碳氮比; SOM: 土壤有机质; NO3--N: 硝态氮; NO2--N: 亚硝态氮; NH4+-N: 铵态氮; AP: 有效磷; AK: 有效钾; Coverage: 植被盖度; Height: 植被高度; AGB: 地上生物量; Plant richness: 植物丰富度指数; Plant Shannon: 植物Shannon-Wiener指数。

Fig. 6 Correlation of environmental factors and Mantel analysis of relationship between environment and soil protist communities. SWC, Soil water content; Clay, Clay content; Silt, Silt content; Sand, Sand content; TN, Total nitrogen; TC, Total carbon; C/N, Carbon nitrogen ratio; SOM, Soil organic matter; NO3--N, Nitrate nitrogen; NO2--N, Nitrous nitrogen; NH4+-N, Ammonium nitrogen; AP, Available phosphorus; AK, Available potassium; Coverage, Vegetation coverage; Height, Vegetation height; AGB, Aboveground biomass; Plant richness: Plant richness index; Plant Shannon, Plant Shannon-Wiener index.