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Mechanisms governing the initiation and maintenance of partial nitrification from a microbial ecological perspective
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Liang ZHANG, Chenjie JIA, Jialin LI
Environmental Engineering | 2026, 44(3) : 1 - 10
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Environmental Engineering | 2026, 44(3): 1-10
Mechanisms governing the initiation and maintenance of partial nitrification from a microbial ecological perspective
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Liang ZHANG, Chenjie JIA, Jialin LI
Affiliations
  • National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology，College of Environmental Science and Engineering，Beijing University of Technology，Beijing 100124，China
Published: 2026-03-22 doi: 10.13205/j.hjgc.202603001
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This study reconceptualized partial nitrification from a microbial ecological perspective by elucidating the dynamic competition between AOB and NOB across the initiation， maintenance， and destabilization phases. Continuous selection pressure was proposed as the core determinant of process stability within a community-process coupled framework. The review indicates that the initiation depends on non-steady-state disturbances that amplify AOB growth advantages， whereas the maintenance phase is characterized by a metastable state with dynamic community structure but relatively stable function， where NOB persist at low abundance or under spatial constraint. When cumulative disturbances weaken AOB competitiveness， NOB can rapidly rebound， inducing a critical shift from partial to complete nitrification. Accordingly， operational strategies centered on resource supply， niche constraint， and community feedback are outlined， emphasizing window-period management to enhance system resilience. The alignment of time-resolved community data with key operational parameters is further discussed as a basis for identifying instability thresholds and early-warning signals to support predictive control and risk management in partial nitrification processes.

partial nitrification  /  microbial ecology  /  community succession  /  functional guild competition  /  system stability
Liang ZHANG, Chenjie JIA, Jialin LI. Mechanisms governing the initiation and maintenance of partial nitrification from a microbial ecological perspective[J]. Environmental Engineering, 2026 , 44 (3) : 1 -10 . DOI: 10.13205/j.hjgc.202603001
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Year 2026 volume 44 Issue 3
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Article Info
doi: 10.13205/j.hjgc.202603001
  • Receive Date：2026-01-09
  • Online Date：2026-06-25
  • Published：2026-03-22
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History
  • Received：2026-01-09
  • Revised：2026-02-06
  • Accepted：2026-02-10
Affiliations
    National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology，College of Environmental Science and Engineering，Beijing University of Technology，Beijing 100124，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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