相关实验视频

Updated: Jun 14, 2025

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology

Published on: November 5, 2014

探索由水产养殖类型驱动的溶解有机物分子特征的变化

Li-Ping Li¹, Xin-Yi Jiao², Shuang Peng³

¹Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China; School of Environment, Beijing Normal University, Beijing 100875, China.

|September 3, 2024

概括

水产养殖类型显著影响尾水中的溶解有机物 (DOM) 组成. 贝类水产养殖产品的DOM含有更高的芳香度,而养殖场的DOM含有更多的陆地化合物.

科学领域:

环境科学环境科学
水生化学水生化学
生态系统动力学生态系统动力学

背景情况:

全球水产养殖业的扩张引发了关于尾水排放的环境问题.
溶解有机物 (DOM) 在水生生地化学过程和生物多样性中起着至关重要的作用.
水产养殖类型对DOM分子特性的影响尚不清楚.

研究的目的:

调查DOM化学,光谱和分子特征在甲动物,鱼类和贝类水产养殖系统中的变化.
确定不同水产养殖类型如何影响DOM的组成和特性.

主要方法:

对DOM数量,化学性质和光谱特征的分析.
使用先进的分析技术对DOM分子组成进行表征.
从甲动物,鱼类和贝类水产养殖中DOM的比较.尾水.

主要成果:

甲类和鱼类水产养殖水域的DOM数量高于贝类水产养殖水域,这与配方料的使用有关.
贝类水产养殖水中的DOM显示了增加的芳香度和大量的不和,减少的分子.
鱼类水产养殖DOM表现出更大的陆地影响,具有较高的类和类化合物.
贝类水产养殖DOM含有较少的微生物衍生成分,原因是营养素较低,盐度较高.

结论:

水产养殖类型显著改变了尾水中的DOM特征和组成.
这些变化凸显了水产养殖实践对DOM生物地球化学循环的潜在影响.
了解这些差异对于评估受水产养殖影响的水生生态系统的环境质量至关重要.

关键词:

水产养殖类型水产养殖类型化学和光谱特性化学和光谱特性溶解有机物 (DOM) 是一种有机物.分子的特性和组成.

更多相关视频

VacuSIP, an Improved InEx Method for In Situ Measurement of Particulate and Dissolved Compounds Processed by Active Suspension Feeders

VacuSIP, an Improved InEx Method for In Situ Measurement of Particulate and Dissolved Compounds Processed by Active Suspension Feeders

Published on: August 3, 2016

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures

Published on: January 7, 2019

相关概念视频

Primary Production

Primary Production

The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.