基质对功能性微生物群落和功能性代谢途径的作用 修建湿地处理水产养殖废水的基质的影响
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Huidong Zheng1, Jinian Rao2, Fang Yang1
1Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, Fisheries Research Institute of Fujian, Xiamen, 361013, China.
Journal of environmental management
|July 6, 2025
概括
建筑湿地的基质选择显著影响海洋农业废水处理的微生物群落. 贝可以促进根的生长和有益的细菌,在高盐度条件下增强营养物质的去除.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 废水处理 废水处理
背景情况:
- 建筑湿地 (CWs) 提供环保的海洋农业废水处理.
- 在高盐度下,基质在塑造微生物群落中的作用尚不清楚.
研究的目的:
- 研究基质对微生物群落的影响和高盐度CW中的营养物质去除.
- 确定治疗Epinephelus spp.的最佳基质. 繁殖的尾水. 尾水. 生殖的尾水.
主要方法:
- 建立了带有Sesuvium portulacastrum L.和各种基板 (海湾泥,细砂,贝,火山岩,复合基板) 的水平流模拟湿地.
- 分析了功能性细菌社区结构,代谢途径和污染物去除效率 (COD).
主要成果:
- 基质特征显著塑造了参与营养循环的树根球功能细菌群落.
- 细砂和火山岩显示高COD去除,但有限的植物根和微生物生长.
- 贝,尽管较低的COD去除,支持植物根和丰富的有益细菌 (Flavobacteriaceae),通过协同微生物合作增强营养的去除.
结论:
- 基质的多孔性影响有氧细菌,而根支能力塑造了高盐度CW中的功能性微生物菌群.
- 贝表明,在水产养殖废水处理中增强生物营养物质去除的潜力.
- 结果指导基质选择,以优化CW在盐水环境中的性能.
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