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陆地生态系统土壤有机碳储量和土壤呼吸的微小变化,会引起大气CO2浓度的巨大变化以及全球碳循环的明显改变,从而引起全球气候的巨大变化。提高SOC储量、减少土壤CO2排放对减缓大气CO2浓度升高具有重要意义。根据国内外文献数据资料,综合分析陆地生态系统土壤有机碳储量和土壤呼吸的研究进展,并对最近土壤呼吸影响因素的研究热点因子,如土壤温度、土壤水分、大气降水和耕作等进行分析讨论,指出陆地生态系统碳循环研究中应重点加强土壤呼吸的机理、土壤呼吸影响因素、土壤呼吸模型、土壤固碳措施、减排对策的研究。
Small changes in soil organic carbon storage and soil respiration in terrestrial ecosystems can cause dramatic changes in atmospheric CO2 concentrations and significant changes in the global carbon cycle, resulting in dramatic changes in the global climate. It is of great significance to increase SOC reserves and reduce soil CO2 emissions to slow down the atmospheric CO2 concentration. According to the literature data at home and abroad, this paper synthetically analyzes the research progress of soil organic carbon storage and soil respiration in terrestrial ecosystems, and analyzes and studies the recent hot factors of soil respiration, such as soil temperature, soil moisture, precipitation and tillage , And pointed out that the mechanism of soil respiration, soil respiration, soil respiration model, soil carbon sequestration and emission reduction should be emphasized in the study of carbon cycle in terrestrial ecosystems.