Distribution characteristics and microbial metabolic driving mechanisms of N2O in estuarine and coastal waters

  • HONG Yiguo ,
  • ZHANG Baoshan ,
  • WU Jiapeng ,
  • LONG Aimin
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  • 1. Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay Area, Guangzhou University, Guangzhou 510007, China;

    2. State Key Laboratory of Tropical Oceanography (South China Sea Institute of Oceanology, Chinese Academy of Sciences), Guangzhou 510301, China;

    3. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2024-12-07

  Revised date: 2025-01-06

  Accepted date: 2025-01-07

  Online published: 2025-01-07

Supported by

National Natural Science Foundation of China (42276130; 42476141); Basic and Applied Basic Research Foundation of Guangdong Province (2023B1515120029); Science and Technology Planning Project of Guangzhou (2025A03J3103)

Abstract

Estuarine and coastal waters, serving as the interface between terrestrial and marine ecosystems, play a pivotal role in the biogeochemical cycling of nitrous oxide (N2O). The potent greenhouse gas has a profound impact on global climate change due to the distribution characteristics and microbial metabolic mechanisms of N2O in estuarine and coastal waters. In this paper, we reviewed the distribution characteristics of N2O in estuarine and coastal regions, the principal microbial metabolic pathways contributing to N2O emissions, including nitrification, nitrifier denitrification, incomplete denitrification, and the coupling of nitrification with denitrification, as well as the methodologies for assessing N2O production and consumption, and the environmental factors that influence N2O emissions. Understanding the biogeochemical cycling of N2O in estuarine and coastal waters is essential for devising effective management strategies to mitigate N2O emissions, thereby protecting the global climate.

Cite this article

HONG Yiguo , ZHANG Baoshan , WU Jiapeng , LONG Aimin . Distribution characteristics and microbial metabolic driving mechanisms of N2O in estuarine and coastal waters[J]. Journal of Tropical Oceanography, 0 : 1 . DOI: 10.11978/2024229

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