sublethal

简明释义

英[ˌsʌbˈliːθəl]美[ˈsʌbliθəl]

adj. 亚致死的；尚不致命的

英英释义

单词用法

同义词

反义词

例句

1.This phenomenon was called cerebral ischemic tolerance, and the sublethal brain ischemia given in advance was called cerebral ischemic preconditioning.

远端缺血预处理是指预先对靶器官以外的组织或器官进行缺血预处理，使靶器官产生缺血耐受的现象。

2.Aim: To investigate time of sublethal cerebral ischemia and time of protective effects of CA1 neurons.

目的：探讨预缺血时间及间隔时间窗对CA1区锥体细胞的影响。

3.This phenomenon was called cerebral ischemic tolerance, and the sublethal brain ischemia given in advance was called cerebral ischemic preconditioning.

远端缺血预处理是指预先对靶器官以外的组织或器官进行缺血预处理，使靶器官产生缺血耐受的现象。

4.The findings have scientific value for ascertaining sublethal effects of insecticides on the population of L. striatellus.

本研究结果对深入研究杀虫剂对灰飞虱种群的亚致死效应具有重要的参考价值。

5.The kinetics of repair of sublethal damage was studied on cervical spinal cord in rats after fractionated irradiation.

本文研究了大鼠颈部脊髓分割照射后的亚致死性损伤修复过程。

6.But pathological changes were not found in any parts of the body after a single sublethal dose of microwave radiation.

微波急性一次辐射未致死动物的脏器未发现明显的病理变化。

7.The study indicated that sublethal 亚致死的 stress from environmental changes could lead to long-term health issues in amphibians.

研究表明，来自环境变化的亚致死的 亚致死的压力可能导致两栖动物的长期健康问题。

8.The effects of sublethal 亚致死的 toxins were observed in the behavior of the affected wildlife.

受影响野生动物的行为中观察到了亚致死的 亚致死的毒素的影响。

9.The researchers found that the pesticide had sublethal 亚致死的 effects on honeybee populations, affecting their foraging behavior.

研究人员发现，这种农药对蜜蜂种群产生了亚致死的 亚致死的影响，影响了它们的觅食行为。

10.Exposure to sublethal 亚致死的 levels of radiation can still cause significant cellular damage.

暴露于亚致死的 亚致死的辐射水平仍然会导致显著的细胞损伤。

11.In laboratory tests, fish exposed to sublethal 亚致死的 doses of pollutants showed altered reproductive patterns.

在实验室测试中，暴露于亚致死的 亚致死的污染物剂量的鱼类表现出生殖模式的变化。

作文

In the field of environmental science, researchers often study the effects of various pollutants on wildlife. One term that frequently arises in these discussions is sublethal, which refers to doses or exposures that do not cause death but can still have significant impacts on an organism's health and behavior. Understanding sublethal effects is crucial for assessing the overall health of ecosystems and the long-term viability of species. For instance, a fish exposed to sublethal levels of a toxic chemical may survive, but its reproductive success could be compromised, leading to population declines over time.The concept of sublethal effects is particularly important when considering the impact of pesticides on non-target species. While these chemicals are designed to eliminate pests, they often affect beneficial insects, birds, and other wildlife at sublethal levels. For example, honeybees exposed to sublethal doses of neonicotinoids may not die immediately, but their ability to forage, navigate, and reproduce can be severely impaired. This raises concerns about the broader implications for pollination and food production, as declining bee populations can have cascading effects on agricultural systems.Moreover, sublethal effects can also be observed in marine environments. Research has shown that fish exposed to sublethal concentrations of heavy metals or plastics may exhibit altered behavior, such as reduced predator avoidance or impaired social interactions. These changes can make them more vulnerable to predation and less successful in finding mates, ultimately affecting their survival and reproduction.In addition to chemical exposure, sublethal effects can arise from physical stressors such as habitat degradation and climate change. For instance, coral reefs experiencing thermal stress due to rising ocean temperatures may not die outright, but the corals can become more susceptible to disease and less able to recover from bleaching events. This sublethal stress can weaken the entire reef ecosystem, impacting countless species that rely on coral habitats for shelter and food.Recognizing the significance of sublethal effects is essential for conservation efforts. It highlights the need for comprehensive risk assessments that go beyond simple mortality rates. Policymakers and environmental managers must consider how sublethal exposures can influence population dynamics and ecosystem health. By addressing these issues, we can develop more effective strategies to protect vulnerable species and their habitats.In conclusion, the term sublethal encompasses a range of effects that are critical for understanding the intricate relationships within ecosystems. As we continue to face environmental challenges, it is imperative to study and mitigate sublethal impacts on wildlife. By doing so, we can help ensure the resilience of our natural world and the sustainability of the resources that humans depend on. The awareness of sublethal effects can lead to more informed decisions and actions that benefit both wildlife and human communities alike.

在环境科学领域，研究人员经常研究各种污染物对野生动物的影响。一个经常出现在这些讨论中的术语是sublethal，它指的是不会导致死亡但仍然会对生物的健康和行为产生重大影响的剂量或暴露。理解sublethal效应对于评估生态系统的整体健康和物种的长期生存能力至关重要。例如，暴露于sublethal水平的有毒化学物质的鱼可能会存活，但其繁殖成功率可能会受到影响，从而导致种群随时间下降。sublethal效应的概念在考虑农药对非靶标物种的影响时尤其重要。虽然这些化学物质旨在消灭害虫，但它们往往在sublethal水平上影响有益昆虫、鸟类和其他野生动物。例如，暴露于sublethal剂量的新烟碱类农药的蜜蜂可能不会立即死亡，但它们的觅食、导航和繁殖能力可能会严重受损。这引发了对授粉和粮食生产的更广泛影响的担忧，因为蜜蜂种群的下降可能对农业系统产生连锁反应。此外，在海洋环境中也可以观察到sublethal效应。研究表明，暴露于sublethal浓度重金属或塑料的鱼可能表现出行为改变，例如减少的捕食者回避或社交互动受损。这些变化可能使它们更容易受到捕食，更难找到配偶，最终影响它们的生存和繁殖。除了化学暴露外，物理压力源（如栖息地退化和气候变化）也可能导致sublethal效应。例如，由于海洋温度上升而经历热应激的珊瑚礁可能不会立即死亡，但珊瑚可能变得更易感染疾病，并且在漂白事件后恢复能力降低。这种sublethal应激可能削弱整个珊瑚礁生态系统，影响依赖珊瑚栖息地作为庇护所和食物来源的无数物种。认识到sublethal效应的重要性对于保护工作至关重要。这突显了需要进行全面风险评估，超越简单的死亡率。政策制定者和环境管理者必须考虑sublethal暴露如何影响种群动态和生态系统健康。通过解决这些问题，我们可以制定更有效的策略来保护脆弱的物种及其栖息地。总之，术语sublethal涵盖了一系列关键效应，有助于理解生态系统内复杂的关系。随着我们继续面临环境挑战，研究和减轻对野生动物的sublethal影响变得至关重要。通过这样做，我们可以帮助确保自然世界的韧性以及人类依赖的资源的可持续性。对sublethal效应的认识可以导致更明智的决策和行动，从而使野生动物和人类社区都受益。