全球森林土壤微生物生物量碳氮磷化学计量的季节动态
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李品,木勒德尔•吐尔汗拜,田地,冯兆忠
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Seasonal dynamics of soil microbial biomass carbon, nitrogen and phosphorus stoichiometry across global forest ecosystems
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LI Pin,Muledeer TUERHANBAI,TIAN Di,FENG Zhao-Zhong
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表3 季节和森林类型双因子方差分析对土壤微生物生物量及其比值的交互影响
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Table 3 Two-way ANOVA analysis on the integrative effects of seasons and forest types on soil microbial biomass and their ratios
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来源 Source | 微生物生物量C含量 Microbial biomass C content | 微生物生物量N含量 Microbial biomass N content | 微生物生物量P含量 Microbial biomass P content | d.f. | MS | F | d.f. | MS | F | d.f. | MS | F | 森林类型 Forest type | 2 | 1 135 927.6 | 4.04* | 2 | 90 638.4 | 13.41*** | 2 | 20 756.4 | 52.32*** | 季节 Season | 3 | 172 792.3 | 0.62 | 3 | 3 484.8 | 0.52 | 3 | 1 142.8 | 2.88* | 森林类型 × 季节 Forest type × Season | 6 | 123 876.6 | 0.44 | 6 | 2 794.1 | 0.41 | 6 | 535.8 | 1.35 | 残差 Residual | 264 | 281 003.8 | | 216 | 6 761.1 | | 105 | 396.7 | | 来源 Source | 微生物生物量C:N Microbial biomass C:N | 微生物生物量N:P Microbial biomass N:P | 微生物生物量C:P Microbial biomass C:P | d.f. | MS | F | d.f. | MS | F | d.f. | MS | F | 森林类型 Forest type | 2 | 93.1 | 7.76** | 2 | 430.5 | 7.18** | 2 | 11 677.1 | 6.20** | 季节 Season | 3 | 17.9 | 1.49 | 3 | 6.8 | 0.11 | 3 | 245.8 | 0.13 | 森林类型 × 季节 Forest type × Season | 6 | 34.7 | 2.89* | 6 | 20.3 | 0.34 | 6 | 649.4 | 0.35 | 残差 Residual | 211 | 12.0 | | 97 | 60.0 | | 101 | 1 884.1 | |
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