biological concentration factor

简明释义

生物学浓度因数

英英释义

例句

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

研究表明，鱼类中的生物浓缩因子 biological concentration factor 对于汞的浓度明显高于水中。

2.Researchers calculated the biological concentration factor 生物浓缩因子 of PCBs in aquatic organisms to evaluate environmental health.

研究人员计算了水生生物中多氯联苯的生物浓缩因子 biological concentration factor 以评估环境健康。

3.The biological concentration factor 生物浓缩因子 helps determine how much of a contaminant is absorbed by organisms compared to its concentration in the environment.

通过生物浓缩因子 biological concentration factor 可以确定生物体吸收的污染物量与其在环境中的浓度相比情况。

4.Understanding the biological concentration factor 生物浓缩因子 is crucial for assessing the risks of pollutants in the food chain.

理解生物浓缩因子 biological concentration factor 对于评估食物链中污染物的风险至关重要。

5.Monitoring the biological concentration factor 生物浓缩因子 of heavy metals in various species can inform conservation efforts.

监测不同物种中重金属的生物浓缩因子 biological concentration factor 可以为保护工作提供信息。

作文

The concept of the biological concentration factor is crucial in understanding how pollutants and other substances accumulate in living organisms. This factor measures the ratio of a substance's concentration in an organism to its concentration in the surrounding environment, typically water or soil. Essentially, it provides insight into how much of a particular substance is taken up by an organism compared to what is available in its habitat. Understanding the biological concentration factor is particularly important in ecological studies and environmental assessments, especially when evaluating the impact of contaminants on wildlife and human health.For instance, consider a river that has been contaminated with heavy metals. The biological concentration factor would help researchers understand how much of these metals are absorbed by fish compared to their concentration in the water. If the concentration of mercury in the fish is significantly higher than in the water, this indicates a high biological concentration factor, suggesting that the fish are bioaccumulating the mercury at a concerning rate. This information is vital for determining the safety of consuming such fish and for assessing the overall health of the aquatic ecosystem.Moreover, the biological concentration factor can vary widely among different species. Some organisms are more efficient at absorbing certain substances, while others may have mechanisms to excrete them. For example, certain plants can absorb heavy metals from contaminated soil more effectively than others, leading to a higher biological concentration factor. This characteristic can be harnessed in phytoremediation, a process where plants are used to clean up contaminated environments.In addition to ecological implications, the biological concentration factor also has significant ramifications for public health. When pollutants enter the food chain, they can become concentrated in the tissues of organisms at higher trophic levels. This biomagnification means that predators, including humans, may be exposed to harmful levels of toxins. By studying the biological concentration factor, scientists can better predict which species might pose a risk to human health and develop guidelines for safe consumption.Furthermore, regulatory bodies often use the biological concentration factor to set safety standards and guidelines for pollutant levels in the environment. By understanding how substances concentrate in biological systems, they can establish acceptable limits that protect both human health and the environment. This is particularly relevant in industries such as agriculture and fisheries, where the use of chemicals can lead to unintended consequences in the ecosystem.In conclusion, the biological concentration factor is a vital metric in environmental science that helps us understand the accumulation of substances in living organisms. It has far-reaching implications for ecology, public health, and regulatory practices. As we continue to face environmental challenges, understanding factors like the biological concentration factor will be essential for developing effective strategies to protect our ecosystems and ensure the safety of our food supply.

生物浓缩因子（biological concentration factor）的概念在理解污染物和其他物质如何在生物体内积累方面至关重要。这个因子测量生物体内某种物质的浓度与其周围环境中该物质浓度的比率，通常是水或土壤。它本质上提供了一个洞察，说明特定物质在生物体内的摄取量与其栖息地中可用量之间的关系。理解生物浓缩因子对于生态研究和环境评估尤其重要，特别是在评估污染物对野生动物和人类健康的影响时。例如，考虑一条受到重金属污染的河流。生物浓缩因子将帮助研究人员了解这些金属在鱼体内的吸收量与水中的浓度相比。如果鱼体内的汞浓度远高于水中的浓度，这表明生物浓缩因子很高，暗示鱼类以令人担忧的速度生物累积了汞。这些信息对于确定食用这种鱼的安全性以及评估水生生态系统的整体健康至关重要。此外，生物浓缩因子在不同物种之间可能差异很大。一些生物在吸收特定物质方面更有效，而其他生物可能具有排泄这些物质的机制。例如，某些植物能比其他植物更有效地从污染土壤中吸收重金属，从而导致更高的生物浓缩因子。这一特性可以在植物修复中加以利用，即使用植物清理受污染的环境。除了生态影响外，生物浓缩因子对公共健康也有重要影响。当污染物进入食物链时，它们可能在更高营养级的生物组织中浓缩。这种生物放大意味着捕食者，包括人类，可能暴露于有害水平的毒素。通过研究生物浓缩因子，科学家可以更好地预测哪些物种可能对人类健康构成风险，并制定安全消费的指导方针。此外，监管机构通常使用生物浓缩因子来制定安全标准和环境污染物水平的指南。通过理解物质在生物系统中的浓缩方式，他们可以建立保护人类健康和环境的可接受限制。这在农业和渔业等行业尤为相关，因为化学物质的使用可能会对生态系统产生意想不到的后果。总之，生物浓缩因子是环境科学中一个重要的指标，帮助我们理解生物体内物质的积累。它对生态学、公共健康和监管实践具有深远的影响。随着我们继续面临环境挑战，理解像生物浓缩因子这样的因素对于制定有效的策略以保护我们的生态系统和确保我们的食品供应安全至关重要。