biological concentration factor

简明释义

生物浓集因素;

英英释义

The biological concentration factor (BCF) is a ratio that describes the concentration of a substance in an organism compared to its concentration in the surrounding environment, typically used to assess the accumulation of pollutants in aquatic organisms.

生物浓缩因子(BCF)是一个比率,用于描述生物体内某种物质的浓度与其周围环境中该物质浓度之间的关系,通常用于评估污染物在水生生物体内的累积情况。

例句

1.In ecotoxicology, the biological concentration factor 生物浓缩因子 is crucial for evaluating the risks of chemical exposure to wildlife.

在生态毒理学中,生物浓缩因子 生物浓缩因子对于评估化学物质对野生动物的暴露风险至关重要。

2.High values of the biological concentration factor 生物浓缩因子 indicate a greater risk of toxicity in organisms.

高值的生物浓缩因子 生物浓缩因子表明生物体的毒性风险更大。

3.To assess the impact of pollutants, researchers often calculate the biological concentration factor 生物浓缩因子 in various aquatic species.

为了评估污染物的影响,研究人员通常计算各种水生物种的生物浓缩因子 生物浓缩因子

4.The biological concentration factor 生物浓缩因子 helps in understanding how toxins accumulate in the food chain.

了解毒素在食物链中如何积累需要参考生物浓缩因子 生物浓缩因子

5.The study revealed that the biological concentration factor 生物浓缩因子 of mercury in fish is significantly higher than that in water.

研究显示,鱼类中汞的生物浓缩因子 生物浓缩因子显著高于水中的浓度。

作文

The concept of the biological concentration factor is crucial in understanding how pollutants accumulate in living organisms. This factor refers to the ratio of the concentration of a substance in an organism to the concentration of that substance in its environment, typically expressed in terms of water or soil. Understanding this factor is essential for ecologists, environmental scientists, and public health officials as it helps assess the potential risks posed by various contaminants in ecosystems.For instance, when a toxic chemical is introduced into a water body, its concentration in the surrounding environment may be relatively low. However, certain organisms, particularly those at the base of the food chain, can absorb and concentrate these substances in their tissues. This process leads to an increased concentration of the pollutant within the organism compared to its environment, which is measured by the biological concentration factor.生物浓缩因子One significant example of this phenomenon can be observed in aquatic ecosystems. Fish, for instance, can have a biological concentration factor that is many times higher than the concentration of pollutants in the water. This accumulation occurs because fish ingest contaminated water and food, leading to a build-up of harmful substances such as heavy metals and persistent organic pollutants in their bodies.生物浓缩因子 As these fish are consumed by larger predators, the concentration of these toxins can further increase, leading to a phenomenon known as biomagnification.Biomagnification poses severe risks to both wildlife and human health. For instance, when humans consume fish that have accumulated high levels of mercury due to a high biological concentration factor, they may experience serious health issues, including neurological damage and developmental problems in children.生物浓缩因子 Therefore, understanding the biological concentration factor is vital for managing fisheries and ensuring the safety of seafood consumed by humans.生物浓缩因子Moreover, the biological concentration factor is not limited to aquatic environments. Terrestrial organisms can also exhibit similar behaviors when exposed to pollutants. For example, plants can uptake heavy metals from contaminated soils, leading to a high concentration of these metals in their tissues. Herbivores that feed on these plants can then accumulate these toxins, which can affect the entire food web.生物浓缩因子 In agricultural settings, this is particularly concerning as it can lead to crops that are unsafe for consumption.In conclusion, the biological concentration factor is a critical concept in environmental science that highlights the potential dangers of pollutants in our ecosystems. By understanding how contaminants accumulate in living organisms, we can better assess risks, implement effective regulations, and protect both environmental and human health. Awareness and education regarding the biological concentration factor can lead to more informed decisions about pollution management and conservation efforts.生物浓缩因子

“生物浓缩因子”这一概念在理解污染物如何在生物体内积累方面至关重要。该因子是指生物体内某种物质的浓度与其环境中该物质浓度的比率,通常以水或土壤为单位表示。理解这一因子对生态学家、环境科学家和公共卫生官员至关重要,因为它有助于评估各种污染物在生态系统中可能带来的风险。例如,当一种有毒化学物质被引入水体时,其在周围环境中的浓度可能相对较低。然而,某些生物,特别是食物链底部的生物,可以吸收并在其组织中浓缩这些物质。这一过程导致生物体内的污染物浓度高于其环境中的浓度,这通过“生物浓缩因子”来衡量。这一现象的一个重要例子可以在水生生态系统中观察到。例如,鱼类的“生物浓缩因子”可能远高于水中污染物的浓度。这种积累发生的原因是鱼类摄取了受到污染的水和食物,导致重金属和持久性有机污染物等有害物质在其体内积聚。随着这些鱼被更大的捕食者消费,这些毒素的浓度可能进一步增加,从而导致生物放大现象。生物放大对野生动物和人类健康构成严重风险。例如,当人类食用由于高“生物浓缩因子”而积累了高水平汞的鱼时,他们可能会经历严重的健康问题,包括神经损伤和儿童发育问题。因此,理解“生物浓缩因子”对于管理渔业和确保人类食用的海鲜安全至关重要。此外,“生物浓缩因子”并不仅限于水生环境。陆地生物在暴露于污染物时也可能表现出类似行为。例如,植物可以从受污染的土壤中吸收重金属,导致这些金属在其组织中的高浓度。以这些植物为食的草食动物可以积累这些毒素,进而影响整个食物链。在农业环境中,这尤其令人担忧,因为这可能导致不安全的作物供人消费。总之,“生物浓缩因子”是环境科学中的一个关键概念,突显了污染物在生态系统中潜在危险。通过理解污染物如何在生物体内积累,我们可以更好地评估风险,实施有效的法规,并保护环境和人类健康。提高对“生物浓缩因子”的认识和教育可以导致更明智的污染管理和保护工作。

相关单词

biological

biological详解:怎么读、什么意思、用法

concentration

concentration详解:怎么读、什么意思、用法

factor

factor详解:怎么读、什么意思、用法