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Nitrous Oxide (N2O) Emission from Aquaculture: A Review

Hu, Zhen, Lee, Jae Woo, Chandran, Kartik, Kim, Sungpyo, Khanal, Samir Kumar·2012·Environmental Science & Technology

Abstract

Nitrous oxide (N(2)O) is an important greenhouse gas (GHG) which has a global warming potential 310 times that of carbon dioxide (CO(2)) over a hundred year lifespan. N(2)O is generated during microbial nitrification and denitrification, which are common in aquaculture systems. To date, few studies have been conducted to quantify N(2)O emission from aquaculture. Additionally, very little is known with respect to the microbial pathways through which N(2)O is formed in aquaculture systems. This review suggests that aquaculture can be an important anthropogenic source of N(2)O emission. The global N(2)O-N emission from aquaculture in 2009 is estimated to be 9.30 × 10(10) g, and will increase to 3.83 × 10(11)g which could account for 5.72% of anthropogenic N(2)O-N emission by 2030 if the aquaculture industry continues to increase at the present annual growth rate (about 7.10%). The possible mechanisms and various factors affecting N(2)O production are summarized, and two possible methods to minimize N(2)O emission, namely aquaponic and biofloc technology aquaculture, are also discussed. The paper concludes with future research directions.

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Metadata

Authors
Hu, Z., Lee, J. W., Chandran, K., Kim, S., & Khanal, S. K.
Venue
Environmental Science & Technology
Published
2012-05-29
Volume
46
Issue
12
Pages
6470-6480
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2323812098
Cited by
362
References
2
FWCI
5.03
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Nitrous Oxide (N2O) Emission from Aquaculture: A Review. https://app.cochat.ai/papers/10.1021/es300110x
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Hu, Z., Lee, J. W., Chandran, K., Kim, S., & Khanal, S. K. (2012). Nitrous Oxide (N2O) Emission from Aquaculture: A Review. Environmental Science & Technology. https://doi.org/10.1021/es300110x

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