水体中湍流对藻类的影响研究进展
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作者单位:

1.重庆交通大学;2.重庆大学

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基金项目:

国家重点研发计划(2023YFC3208800);中国科协青年人才托举工程项目(2022QNRC001)


Research progress on the effects of turbulence on algae in water
Author:
Affiliation:

1.Chongqing Jiaotong University;2.Chongqing University

Fund Project:

National Key R&D Program(2023YFC3208800);Young Elite Scientists Sponsorship Program by CAST(2022QNRC001)

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    摘要:

    水动力条件在藻类生长与垂向迁移中扮演重要角色,但藻类对湍流的响应尚不十分明确。文章系统阐述了湍流对藻类的生物量和垂向迁移的影响以及影响藻类湍流敏感性的关键因素。首先,湍流可通过干预细胞分裂、能量代谢(光合作用与营养吸收)等过程来影响藻类生物量的积累。其次,湍流可通过介导藻类的浮力及机械稳定性等过程来影响藻类的垂向迁移行为。最后,从藻细胞生理结构与藻细胞生长阶段的角度出发分析了影响藻类湍流敏感性的因素。针对目前研究存在的问题,从深化藻类响应的分子机制研究、强化湍流研究系统构建、耦合藻类生理过程及湍流结构以提升模拟精度等方面提出了未来研究展望,旨在为变化水动力条件下的藻类行为研究、藻华防治对策制定及水生态系统服务功能评价提供科学依据和理论支撑。

    Abstract:

    Hydrodynamic conditions play an essential role in the growth and migration of algae, but the response of algae to turbulence remain poorly understood. This paper systematically describes the effects of turbulence on the biomass and vertical migration of algae, as well as the key factors affecting the algae turbulence sensitivity. First, turbulence can affect accumulation of algal biomass by interfering with processes such as cell division and energy metabolism (photosynthesis and nutrient absorption). Second, turbulence can affect the vertical migra-tion behavior of algae by mediating the buoyancy and mechanical stability of algae. Finally, factors affecting the algae turbulence sensitivity are analysed from the point of view of the physiological structure of the algal cell and the phases of the cell cycle. In view of the existing problems in the current study, future research prospects are proposed in terms of deepening the molecular mechanism research of algal response, strength-ening the construction of the turbulence research system, and coupling the physiological processes of algae and the physical structure of turbulence to improve the simulation accuracy, aiming at providing scientific basis and theoretical support for the study of algal behavior under changing hydrodynamic conditions, the formulation of algal bloom prevention and control countermeasures, and the evaluation of water ecosystem service functions.

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  • 收稿日期:2024-11-05
  • 最后修改日期:2025-01-30
  • 录用日期:2025-02-13
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