Seasonal Variation of Anammox and Denitrification in Sediments of Two Eutrophic Urban Lakes

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About the Journal In Memory of Professor Jerzy Radecki Ownership and Management Statement Editorial Office Editorial Board Scope Impact Factor Indexed by Journal Impact Factor contributing items Publication Frequency Revenue Sources & Business Model Contact Subscription

Current issue

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Instructions for Authors Copyright & Licensing Publication Fees

Editorial policies Publication Policy Overview Peer Review Policy Research Ethics and Malpractice Policy Plagiarism Policy Conflict of Interest Policy Open Access Policy Instructions for Reviewers Generative AI and AI-Assisted Technologies Policy Advertising Policy Direct Marketing & Manuscript Solicitation Digital Archiving and Preservation Policy CrossMark, Correction, and Retraction Policy

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SHORT COMMUNICATION

Seasonal Variation of Anammox and Denitrification in Sediments of Two Eutrophic Urban Lakes

Jianwei Zhao, Duanwei Zhu, Junnan Fan, Yumei Hua, Wenbing Zhou

Laboratory of Eco-Environmental Engineering Research of Huazhong Agricultural University,
Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River),
Ministry of Agriculture, Wuhan 430070, China

Submission date: 2015-04-15

Final revision date: 2015-07-05

Acceptance date: 2015-08-27

Publication date: 2015-11-27

Pol. J. Environ. Stud. 2015;24(6):2779-2783

DOI: https://doi.org/10.15244/pjoes/59237

KEYWORDS

denitrification

seasonal variation

TOPICS

Pollution

ABSTRACT

For this study a ¹⁵N isotope culture was prepared in sediments collected from two eutrophic lakes to determine the potential for the anammox process and denitrification of the sediments. Test result showed that the average reaction rate of the anammox process for the entire year is 137±77 μmol N·m^-2·h^-1, contributing 10.4% to nitrogen gas evolution from the sediments. The anammox process in the lake has an obvious seasonal affect in the following order: summer (237±83 μmol N·m^-2·h^-1) > autumn (133±30 μmol N·m^-2·h^-1) > spring (90±24 μmol N·m^-2·h^-1) > winter (87±26 μmol N·m^-2·h^-1). A positive correlation (P<0.01) exists between the rates of the anammox process and denitrification.

CONFLICT OF INTEREST

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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