气候因子通过土壤微生物生物量氮促进青藏高原高寒草地地上生态系统功能
王毅1,2, 孙建2,*(
), 叶冲冲2,3, 曾涛1,*()
), 叶冲冲2,3, 曾涛1,*()
Climatic factors drive the aboveground ecosystem functions of alpine grassland via soil microbial biomass nitrogen on the Qingzang Plateau
WANG Yi1,2, SUN Jian2,*(), YE Chong-Chong2,3, ZENG Tao1,*()
), YE Chong-Chong2,3, ZENG Tao1,*()
图3. 环境因子和土壤要素对地上生态系统功能的相对重要性分析。AI, 干旱指数; AMT, 年平均气温; ATP, 年降水量; BGB, 地下生物量; MBC, 土壤微生物生物量碳含量; MBN, 土壤微生物生物量氮含量; SAN, 土壤速效氮含量; SAP, 土壤速效磷含量; SOC, 土壤有机碳含量; STN, 土壤全氮含量; STP, 土壤全磷含量。
Fig. 3. Relative importance of environmental factors and soil factors to aboveground ecosystem functions. AI, aridity index; AMT, mean annual air temperature; ATP, mean annual precipitation; BGB, belowground biomass; MBC, microbial biomass carbon content; MBN, microbial biomass nitrogen content; SAN, soil available nitrogen content; SAP, soil available phosphorus content; SOC, soil organic carbon content; STN, soil total nitrogen content; STP, soil total phosphorus content.
