青藏高原高寒草地退化对土壤及微生物化学计量特征的影响

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吴赞¹^,², 彭云峰²^,^*(

), 杨贵彪², 李秦鲁²^,⁴, 刘洋²^,³, 马黎华¹, 杨元合²^,⁴, 蒋先军¹^,^*(

)

Effects of land degradation on soil and microbial stoichiometry in Qingzang Plateau alpine grasslands

WU Zan¹^,², PENG Yun-Feng²^,^*(

), YANG Gui-Biao², LI Qin-Lu²^,⁴, LIU Yang²^,³, MA Li-Hua¹, YANG Yuan-He²^,⁴, JIANG Xian-Jun¹^,^*(

)

图5. Meta分析中青藏高原高寒草地退化对土壤和微生物化学计量比的影响(A), 以及土壤和微生物化学计量比的响应关系(RR)(B-D)。A中括号内的数字为化学计量比的响应比, 括号外的数字代表样本量, 误差棒代表95%置信区间。MBC, 微生物生物量碳含量; MBN, 微生物生物量氮含量; MBP, 微生物生物量磷含量; SOC, 土壤有机碳含量; TN, 土壤全氮含量; TP, 土壤全磷含量。

Fig. 5. Responses of soil and microbial stoichiometric ratios to grassland degradation in the meta-analysis (A), and correlation between the response ratio (RR) of soil and microbial stoichiometric ratios (B-D) in Qingzang Plateau alpine grassland. The percentages of change for each variable are shown in parentheses and the sample size is shown outside the parentheses in A, error bars represent 95% confidence intervals. MBC, microbial biomass carbon content; MBN, microbial biomass nitrogen content; MBP, microbial biomass phosphorus content; SOC, soil organic carbon content; TN, soil total nitrogen content; TP, soil total phosphorus content.