Enhanced Phosphorus Removal by Iron-Carbon in Constructed Wetlands Across Salinity Gradients: Mechanisms and Microbial Insights for Aquaculture Tailwater Treatment.

Rui Yin, Boan Chen, Xinyu He, Chen Cai, Tangfang Zhai, Haoyang Shi, Na Li, Xiaona Ma

Abstract read

In one paragraph

Article in Biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Rui YinJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Boan ChenJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Xinyu HeJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Chen CaiJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Tangfang ZhaiJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Haoyang ShiJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Na LiJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Xiaona MaJiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.

Funding

Natural Science Foundation of Jiangsu Province No. BK20220682Postdoctoral Science Foundation of Lianyungang LYG20230005Postgraduate Research & Practice Innovation Program of Jiangsu Province KYCX24-3671Priority Academic Program Development of Jiangsu Higher Education Institutions PAPDZhejiang Province 'San Nong Jiu Fang' Science and Technology Collaboration Project 2025SNJF008

6 · The paper itself

Abstract

Saline aquaculture tailwater challenges conventional constructed wetlands (CWs) with their limited phosphorus (P) removal capacity. To address this, iron-carbon constructed wetlands (IC-CWs) were developed and operated under four salinity gradients (0, 10, 20, and 30) for 155 days to investigate the effects of salinity on P removal and associated microbial mechanisms. The results showed that salinity critically influenced long-term P removal, with the system at salinity 20 (S20) achieving the highest total phosphorus (TP) removal efficiency (78.80 ± 6.01%). Enhanced P removal was primarily attributed to the upregulation of phosphate transport genes (

Indexed as

aquaculture tailwateriron-carbon constructed wetlandsphosphorus-accumulating organisms (PAOs)phosphorus removal efficiencysalinity gradient

Identifiers

PMID41154862

DOI10.3390/biology14101459

PMCPMC12561019

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.