Salinity-induced variations in bacterial composition and co-occurrence patterns within Salicornia-based constructed wetlands in mariculture

Constructed wetlands use vegetation and microorganisms to remove contaminants like nitrogen and phosphorus from water. For mariculture, the impact of salinity on the efficiency of wastewater treatment of wetlands is unneglectable. However, little is known about their impact on the microbiome in cons...

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Veröffentlicht in:Chemosphere (Oxford) 2024-09, Vol.363, p.142795, Article 142795
Hauptverfasser: Ma, Xiaona, Zhai, Tangfang, Wang, Xinyuan, Cai, Chen, Qiu, Denggao, Yin, Rui, Li, Jiayu, Liu, Gang
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Sprache:eng
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Zusammenfassung:Constructed wetlands use vegetation and microorganisms to remove contaminants like nitrogen and phosphorus from water. For mariculture, the impact of salinity on the efficiency of wastewater treatment of wetlands is unneglectable. However, little is known about their impact on the microbiome in constructed wetlands. Here, we set four salinity levels (15, 22, 29, and 36) in Salicornia constructed wetlands, and the experiment was conducted for a period of 72 days. The 15 group exhibited the highest removal rates of nitrogen compounds and phosphate, compared to the other salinity groups, the nosZ gene exhibited significantly higher expression in the 22 group (p 
ISSN:0045-6535
1879-1298
1879-1298
DOI:10.1016/j.chemosphere.2024.142795