biological concentration

简明释义

生物学浓度

英英释义

例句

1.The study revealed that the biological concentration 生物浓度 of pollutants in the fish was significantly higher than expected.

研究显示，鱼类中的生物浓度 biological concentration 污染物显著高于预期。

2.Researchers are investigating the biological concentration 生物浓度 of heavy metals in soil samples.

研究人员正在调查土壤样本中的生物浓度 biological concentration 重金属含量。

3.The report highlighted the biological concentration 生物浓度 of microplastics in marine life.

报告强调了海洋生物中生物浓度 biological concentration 微塑料的情况。

4.The biological concentration 生物浓度 of nutrients in the water affects the growth rate of aquatic plants.

水中的生物浓度 biological concentration 养分影响水生植物的生长速度。

5.Monitoring the biological concentration 生物浓度 of toxins in the environment is crucial for public health.

监测环境中生物浓度 biological concentration 毒素对于公共健康至关重要。

作文

In the study of ecology and environmental science, the concept of biological concentration is crucial for understanding how pollutants and nutrients accumulate in living organisms. Biological concentration refers to the process by which the concentration of a substance, such as a toxin or nutrient, increases in the tissues of organisms as it moves up the food chain. This phenomenon occurs due to various factors, including the absorption rates of different organisms and their feeding behaviors.For instance, when a pollutant is released into the environment, it may be present in low concentrations in water or soil. However, as smaller organisms, like plankton, absorb this pollutant, they can accumulate it in their bodies at higher concentrations than what is found in their surrounding environment. When larger organisms consume these smaller ones, the pollutant becomes even more concentrated in their tissues. This process can continue up the food chain, leading to significantly high levels of toxins in top predators, such as fish-eating birds or mammals.The implications of biological concentration are profound, particularly concerning human health and ecosystem stability. For example, mercury is a well-known pollutant that undergoes biological concentration. It is released into the environment from industrial processes and can accumulate in fish. When humans consume these fish, they may unknowingly ingest harmful levels of mercury, leading to severe health issues. Understanding this process is essential for developing regulations to protect both wildlife and human populations from the dangers of toxic substances.Moreover, biological concentration also plays a role in nutrient cycling within ecosystems. In some cases, beneficial nutrients can become concentrated in certain organisms, enhancing their growth and productivity. This is particularly evident in agricultural systems where fertilizers are applied. Plants absorb these nutrients, and as animals feed on them, the nutrients can become concentrated in animal tissues, benefiting the entire food web.However, it is important to note that biological concentration does not occur uniformly across all species. Different organisms have varying abilities to absorb and retain substances, influenced by factors such as metabolism, habitat, and diet. Therefore, some species may be more susceptible to the effects of toxic substances, while others may thrive in nutrient-rich environments.In conclusion, the concept of biological concentration is vital for understanding the dynamics of ecosystems and the potential risks associated with pollutants. By studying how substances accumulate within living organisms, scientists can better assess the health of ecosystems and develop strategies to mitigate the impacts of environmental contaminants. Furthermore, raising awareness about biological concentration can empower individuals and communities to make informed choices about their consumption habits, ultimately contributing to a healthier planet for future generations.

在生态学和环境科学的研究中，生物浓缩的概念对于理解污染物和营养物质如何在生物体内积累至关重要。生物浓缩是指一种物质（如毒素或营养物质）在生物体组织中的浓度随着其在食物链中的移动而增加的过程。这一现象由于不同生物的吸收速率和它们的摄食行为等多种因素而发生。例如，当污染物释放到环境中时，它可能在水或土壤中以低浓度存在。然而，随着较小的生物（如浮游生物）吸收这种污染物，它们可以在体内以比周围环境中更高的浓度积累。当较大的生物摄食这些较小的生物时，污染物在它们的组织中变得更加浓缩。这个过程可以继续沿着食物链上升，导致顶级捕食者（如食鱼鸟类或哺乳动物）体内的毒素浓度显著高于其他生物。生物浓缩的影响深远，特别是在涉及人类健康和生态系统稳定性方面。例如，汞是一种众所周知的污染物，它会经历生物浓缩。它通过工业过程释放到环境中，并可能在鱼类中积累。当人类食用这些鱼时，他们可能不知不觉地摄入有害水平的汞，导致严重的健康问题。理解这一过程对于制定保护野生动物和人类群体免受有毒物质危害的法规至关重要。此外，生物浓缩在生态系统中的营养循环中也起着重要作用。在某些情况下，有益的营养物质可以在特定生物中集中，从而增强它们的生长和生产力。这在施用肥料的农业系统中特别明显。植物吸收这些营养物质，当动物以它们为食时，这些营养物质可以在动物组织中浓缩，从而惠及整个食物网。然而，值得注意的是，生物浓缩并不是在所有物种中均匀发生的。不同生物对物质的吸收和保留能力各不相同，这受到新陈代谢、栖息地和饮食等因素的影响。因此，某些物种可能对有毒物质的影响更为敏感，而另一些物种则可能在富营养环境中繁荣。总之，生物浓缩的概念对于理解生态系统的动态以及与污染物相关的潜在风险至关重要。通过研究物质在生物体内的积累方式，科学家可以更好地评估生态系统的健康状况，并制定减轻环境污染影响的策略。此外，提高人们对生物浓缩的认识可以使个人和社区在消费习惯上做出明智的选择，最终为未来几代人创造一个更健康的地球。