基于土壤微生物的碳氮互作效应：综述

doi:10.11924/j.issn.1000-6850.casb16010056

摘要/Abstract

摘要： 土壤微生物在养分循环中起着至关重要的作用，可为陆地生态系统能量流动提供动力。碳（C）、氮（N）元素是构成生物基本骨架和能量代谢最基本的元素，其循环关系到生物生长和生态系统的稳定性。在陆地生态系统中，土壤微生物C、N元素有着明显的相互作用，环境中C、N浓度的变化会促使其发生变化，进而导致微生物群落结构和生物功能改变。本文从CO2浓度升高、黑碳添加和N沉降加剧出发，总结了环境条件变化对微生物C、N的影响；分析了现实环境背景下土壤微生物C、N的相互作用，探讨微生物C、N的内在联系，为微生物C、N耦合及生态系统C、N耦合提供参考依据。并提出，今后在气候变化对土壤微生物的影响的研究中，应当根据地域和时空的差异建立多个研究模型，深入研究微生物C、N与环境中C、N的关系，注重生态系统C、N耦合的同时，也要注重微生物与其他生物之间，特别是与植物之间的C、N耦合。

关键词: 枣, 枣, 电阻抗图谱, 抗寒性, 胞外电阻率, 弛豫时间

Abstract: Soil microorganism plays an important role in nutrient cycling, which can provide power for terrestrial ecosystems energy flow. Carbon(C) and nitrogen(N) element constitute the basic biology skeleton and biological energy metabolism, and the circulation of these two elements are related to the biological growth and stability of ecosystem. In terrestrial ecosystems, soil microbial C and N element have obvious interaction, and C and N concentration change in environment would lead to the change of the two elements in the soil, and resulting in the change of microbial community structure and biological function. This article, from the research points of elevated CO2 concentration, the adding of black carbon and N deposition increase, summed up the influence of changing environmental conditions on microbial C and N, analyzed the interaction of soil microbial C and N under the background of the realistic environment, discussed the inherent relation of microbial C and N, and provided some references for the microbial C and N coupling and the ecosystem C and N coupling. In addition, the authors put forward that in future study of the influence of climate change on soil microorganisms, multiple research models should be established according to the difference of region and space-time, and further relationship between microbial C, N and environmental C, N should be emphasized. The research on ecosystem C and N coupling, as well as the C and N coupling between microorganisms and other organisms, especially the plants, should be highlighted.

中图分类号:

X171.1

单文俊,王庆贵,闫国永,邢亚娟. 基于土壤微生物的碳氮互作效应：综述[J]. 中国农学通报, 2016, 32(23): 65-71.

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