生态系统中微生物介导的铁-氮循环

齐新; 贾方旭; 陈瑶; 梅宁; 赵星程; 刘世龙; 姚宏

doi:10.13205/j.hjgc.202601023

生态系统中微生物介导的铁-氮循环

doi: 10.13205/j.hjgc.202601023

齐新¹,
贾方旭^1, ,,
陈瑶²,
梅宁¹,
赵星程¹,
刘世龙³,
姚宏¹

1. 北京交通大学环境学院, 北京 100044;
2. 中国环境保护集团有限公司, 北京 100082;
3. 中国建筑出版传媒有限公司, 北京 100080

基金项目:

国家重点研发计划资助 “养殖粪污资源化利用及低碳低成本协同治理技术集成与工程示范”（2023YFC3207705）

详细信息

作者简介:
齐新（1999—），女，硕士研究生，主要研究方向为铁氨氧化污水脱氮。q15245704384@163.com

通讯作者:
贾方旭（1988—），男，硕士生导师，主要研究方向为厌氧氨氧化污水脱氮处理。jiafx@bjtu.edu.cn

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出版历程
- 收稿日期: 2025-01-12
- 网络出版日期: 2026-02-26
- 刊出日期: 2026-01-22

Iron-nitrogen cycling mediated by microbes in ecosystems

1. School of Environment, Beijing Jiaotong University, Beijing 100044, China;
2. China National Environmental Protection Group, Beijing 100082, China;
3. China Architecture Publishing & Media Co., Ltd., Beijing 100080, China

摘要

摘要: 铁-氮循环作为自然界中一个复杂且至关重要的生物地球化学过程，它不仅影响着生态系统内的氮素平衡，还对全球气候变化和生物多样性产生深远影响。硝酸盐依赖的Fe（Ⅱ）氧化（nitrate-dependent ferrous oxidation， NDFO）和铁氨氧化（ferric ammonia oxidation， Feammox）是由铁参与微生物驱动的氮循环过程，二者的循环在一定程度上能够加强氮损失，也有助于减轻氮排放过量引起的环境污染问题。基于此，综述了生态系统中微生物介导的铁-氮循环，对其代谢机制进行总结，并介绍了功能微生物生存所需的环境条件及研究应用。这些微生物过程在自然环境和农业生态系统中均有重要作用，对于维持生态系统的健康和稳定具有重要意义。加强对该领域的科学研究不仅有助于更好地理解地球表层系统中物质循环规律，也为解决当前面临的诸多环境挑战提供了新的思路和方法。
- 铁-氮循环 /
- NDFO /
- 铁结壳 /
- Feammox /
- 铁矿物
Abstract: As a complex and vital biogeochemical process in nature， the Fe-N cycle not only influences the nitrogen balance within ecosystems but also has profound impact on global climate change and biodiversity. Nitrate-dependent ferrous oxidation （NDFO） and ferric ammonia oxidation （Feammox） are microbiologically driven nitrogen cycling processes involving iron. The cycling of these two processes can enhance nitrogen loss to a certain extent while also help to alleviate environmental pollution caused by excessive nitrogen emissions. This paper reviews the microbial-mediated iron-nitrogen cycle in ecosystems， summarizing its metabolic mechanisms and detailing the environmental conditions required for the survival of functional microorganisms and their research applications. These microbial processes play crucial roles in both natural environments and agroecosystems， maintaining ecosystem health and stability. Strengthening scientific research in this area not only contributes to a better understanding of the material cycling laws in Earth's surface systems but also provides new ideas and methods for addressing many of the environmental challenges currently faced.
- iron-nitrogen cycle /
- NDFO /
- iron encrustation /
- Feammox /
- iron mineral

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