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讨论了土壤变暖对土壤微生物活性的影响及其后果。许多研究表明,土壤呼吸与土壤温度呈正相关关系。描述这种关系所用的模式有线性回归分析、Q-10关系式、幂关系式、Arrhenius关系式及其它关系式,但这些模式通常都不能准确地估计呼吸率。尽管如此,几乎所有的研究都显示土壤温度强烈地影响土壤微生物活性及呼吸。在一定温度范围内,土壤变暖提高土壤微生物活性及呼吸率。解释这种现象的一种机制是微生物群体组成随温度升高而改变。文章最后指出,为了得出更加明确的结论及更加准确地预测全球变暖对土壤的影响,应进一步加强土壤变暖对土壤微生物活性的影响的研究。
The effects of soil warming on soil microbial activities and their consequences were discussed. Many studies show that there is a positive correlation between soil respiration and soil temperature. The models used to describe this relationship are linear regression analysis, Q-10, power, Arrhenius, and other relationships, but these models often do not accurately estimate the respiration rate. Nevertheless, almost all studies show that soil temperature strongly affects soil microbial activity and respiration. In a certain temperature range, soil warming increases soil microbial activity and respiration rate. One mechanism that explains this phenomenon is that the microbial population composition changes with increasing temperature. Finally, the article points out that in order to draw a clearer conclusion and predict more accurately the impact of global warming on soil, we should further strengthen the research on the impact of soil warming on soil microbial activity.