青藏高原禾草混播对土壤微生物多样性的影响
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姜鑫, 牛克昌
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Effects of grass mixed-sowing on soil microbial diversity on the Qingzang (Tibetan) Plateau
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JIANG Xin, NIU Ke-Chang
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表2 广义线性混合模型检验混播和施肥对土壤微生物优势菌群(门水平)的影响
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Table 2 Summary of the effect of mix-sowing and fertilization on variation in dominant phyla of soil microbes tested by generalized linear mixed effect model
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微生物类群 Microbes taxon | 变异度 Variability (%) | F | 混播 Mixed- Sowing | 施肥 Fertilized |
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单播/混播 Single-sowing/Mixed-sowing (df = 1) | 施肥/不施肥 Fertilized/Unfertilized (df = 2) | 单播 Single- sowing | 混播 Mixed- sowing |
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细菌门水平优势类群 Dominant phylum of bacteria | | | | | | 酸杆菌门 Acidobacteria | 32.84 | 11.81* | 2.48 | 0.65 | -0.05* | 0.00 | 0.02 | 放线菌门 Actinobacteria | 12.42 | 9.13* | 13.84 | 2.83 | 0.01* | 0.00 | -0.01* | 拟杆菌门 Bacteroidetes | 34.68 | 13.62* | 0.93 | 0.24 | -0.03* | 0.01 | 0.00 | 浮霉菌门 Planctomycetes | 21.33 | 5.59 | 0.73 | 0.16 | -0.02 | 0.00 | 0.00 | 变形菌门 Proteobacteria | 32.67 | 28.11* | 0.47 | 0.11 | 0.08* | -0.01 | -0.01 | 疣微菌门 Verrucomicrobia | 0.23 | 0.04 | 8.19 | 1.77 | 0.00 | 0.01 | 0.01 | 真菌门水平优势菌群 Dominant phylum of fungi | | | | | | 子囊菌门 Ascomycota | 1.07 | 0.85 | 1.25 | 0.19 | -0.05 | 0.01 | 0.05 | 担子菌门 Basidiomycota | 2.03 | 1.82 | 1.14 | 0.18 | 0.02 | -0.04 | -0.01 | 接合菌门 Zygomycota | 1.51 | 0.82 | 4.47 | 0.72 | 0.04 | 0.04 | 0.06 |
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