相关实验视频

Updated: May 14, 2025

Protocol for Acute and Chronic Ecotoxicity Testing of the Turquoise Killifish Nothobranchius furzeri

Protocol for Acute and Chronic Ecotoxicity Testing of the Turquoise Killifish Nothobranchius furzeri

Published on: April 24, 2018

处理后的废水对多重性生物多样性的生态影响及其相互作用

Wei Xiong¹, Ting Chen², Xun Du¹

¹Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100049, China.

Environmental research

|April 11, 2025

概括

废水处理厂 (WWTP) 的废水对水生生态系统的影响因营养水平而异. 响应因食量级而异,影响营养丰富的河流中的动物浮游生物和营养缺乏的河流中的藻类.

科学领域:

生态生态学生态生态学
环境科学环境科学
水生生物学水生生物学

背景情况:

再利用水,特别是经过处理的废水废水,对于减轻城市地区的水资源短缺至关重要.
污水处理厂 (WWTP) 将废水排放到水生生态系统中的生态风险需要彻底调查.
了解对WWTP废水的多变形反应对于有效的生态影响评估和管理至关重要.

研究的目的:

调查两个对比的河流系统中对WWTP废水的多变性生态反应.
分析WWTP污水对细菌,藻类,动物浮游生物,盆地宏观无脊椎动物和鱼类的影响.
阐明河流状况和热带相互作用对排水排放的生态反应的影响.

主要方法:

研究了五个分类学群体,跨越不同的热带层次 (细菌,藻类,动物浮游生物,盆地宏观无脊椎动物,鱼类).
在一个富含营养的河流和一个缺乏营养的河流中比较生态反应,接收WWTP废水.
分析了环境变量和种类之间的相互作用,并评估了热带动态和利基重叠.

主要成果:

对WWTP废水的生物反应是显著的,但在热带水位和河流营养状况上有所不同.
主要消费者 (动物浮游生物) 在营养丰富的河流中受到影响最大,而主要生产者 (藻类) 在营养缺乏的河流中做出了强烈的反应.
营养丰富的河流中,热量动力学受到自下而上的和自上而下的过程的影响,而营养缺乏的河流中,自下而上的效应占主导地位;营养丰富的河流中,利基重叠更高.

结论:

多热带生物多样性分析和热带相互作用分析对于评估WWTP废水影响至关重要.
河流流的生态影响取决于环境,受河流营养状况和环境条件的影响.
研究结果强调需要对城市水生生态系统进行可持续管理,特别是在干旱地区.

关键词:

生物多样性生物多样性人类活动人类活动多性相互作用多性相互作用接收河流中的河流.废水处理厂的废水处理厂.我们的eDNADNA

更多相关视频

Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity

Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity

Published on: August 19, 2018

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

相关概念视频

Trophic Efficiency

Trophic Efficiency

Trophic level transfer efficiency (TLTE) is a measure of the total energy transfer from one trophic level to the next. Due to extensive energy loss as metabolic heat, an average of only 10% of the original energy obtained is passed on to the next level. This pattern of energy loss severely limits the possible number of trophic levels in a food chain.

Ecological Disturbance

Ecological Disturbance

An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.

What is Biodiversity?

What is Biodiversity?

Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week.

Symbiosis

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...

What is an Ecosystem?

What is an Ecosystem?

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.