青藏高原禾草混播对土壤微生物多样性的影响
姜鑫, 牛克昌*(
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Effects of grass mixed-sowing on soil microbial diversity on the Qingzang (Tibetan) Plateau
JIANG Xin, NIU Ke-Chang*()
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图3. 单播和混播处理中土壤微生物群落结构。A, 细菌群落。B, 真菌群落。En, 垂穗披碱草; Fo, 羊茅; Fs, 中华羊茅。
Fig. 3. Difference in soil microbial community compositions in single- and mixed-sowing plots. A, Soil bacterial community composition. B, Soil fungal community composition. En, Elymus nutans; Fo, Festuca ovina; Fs, F. sinensis. PAB, plant aboveground biomass; PSR, plant species richness; SAN, soil available nitrogen; SAP, soil available phosphorus; SOC, soil organic carbon; STN, soil total nitrogen; STP, soil total phosphorus.
