养殖对环境的影响和Dapeng Cove的微生物税
Fei Tong1,2, Xue Feng1,2, Huarong Yuan1,2
1South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences/Scientific Observing and Experimental Station of South China Sea Fishery Resources and Environments, Ministry of Agriculture and Rural Affairs/Key Laboratory of Marine Ranching, Ministry of Agriculture and Rural Affairs, Guangzhou 510300, China.
Microorganisms
|November 27, 2025
概括
高密度养殖通过增加有机碳,硫化物和重金属而影响沉积物质量. 虽然水中的微生物群落显示了微小的变化,但沉积物的微生物结构和功能在季节性上发生了显著的变化.
科学领域:
- 海洋生物学 海洋生物学
- 环境科学环境科学
- 微生物学 微生物学
背景情况:
- 鱼水产养殖是一个高效的双系统,对海洋环境产生影响.
- 密集养殖对环境条件和微生物群落的影响尚未完全理解.
研究的目的:
- 研究商业养殖对水和沉积物的物理化学参数和微生物群落的影响.
- 在半封闭的海湾内分析这些影响的季节性变化.
主要方法:
- 在水产养殖 (OA) 系统和控制 (CT) 区域中对水和沉积物进行四季监测.
- 16S rRNA amplicon测序用于分析环境微生物群.
- 环境参数与微生物社区结构/功能之间的相关性分析.
主要成果:
- 养殖水产养殖显著增加了沉积物总有机碳,硫化物和重金属,对水柱参数的影响最小.
- 细菌社区结构显示了沉积物 (春季,夏季,秋季) 和水 (冬季) 的显著变化.
- 沉积物微生物功能每年有显著的破坏 (29个功能),具有明显的季节性模式,与水微生物功能 (4个功能) 不同.
结论:
- 鱼水产养殖主要改变沉积物的生物地质化学和微生物群落的结构和功能.
- 了解这些环境-微生物相互作用对于可持续的养殖和生态管理至关重要.
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