碳循环
环境科学
生态系统
有机质
陆地生态系统
分解
气候变化
碳纤维
分解者
化学分解过程
氮气循环
环境化学
固碳
微生物降解
生态学
二氧化碳
微生物
化学
氮气
生物
细菌
复合数
复合材料
有机化学
材料科学
遗传学
作者
Taqi Raza,Muhammad Farhan Qadir,Khuram Shehzad Khan,Neal S. Eash,Muhammad Yousuf,Sumanta Chatterjee,Rabia Manzoor,Sana Rehman,Joel N. Oetting
标识
DOI:10.1016/j.jenvman.2023.118529
摘要
Organic matter decomposition is a biochemical process with consequences affecting climate change and ecosystem productivity. Once decomposition begins, C is lost as CO2 or sequestered into more recalcitrant carbon difficult to further degradation. As microbial respiration releases carbon dioxide into the atmosphere, microbes act as gatekeepers in the whole process. Microbial activities were found to be the second largest CO2 emission source in the environment after human activities (industrialization), and research investigations suggest that this may have affected climate change over the past few decades. It is crucial to note that microbes are major contributors in the whole C cycle (decomposition, transformation, and stabilization). Therefore, imbalances in the C cycle might be causing changes in the entire carbon content of the ecosystem. The significance of microbes, especially soil bacteria in the terrestrial carbon cycle requires more attention. This review focuses on the factors that affect microorganism behavior during the breakdown of organic materials. The key factors affecting the microbial degradation processes are the quality of the input material, nitrogen, temperature, and moisture content. In this review, we suggest that to address global climate change and its effects on agricultural systems and vice versa, there is a need to double-up on efforts and conduct new research studies to further evaluate the potential of microbial communities to reduce their contribution to terrestrial carbon emission.
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