ecosystem

简明释义

英[ˈiːkəʊsɪstəm]美[ˈiːkoʊsɪstəm]

n. 生态系统

复 数 e c o s y s t e m s

英英释义

单词用法

同义词

反义词

例句

1.You just have a regular running stream, because there is no dam, so the ecosystem would be completely different, there would be fewer wetlands.

（这里）只有一条有规律的溪流，因为没有水坝，所以生态系统会完全不同，湿地会更少。

2.Although the ecosystem concept was very popular in the 1950s and 1960s, it is no longer the dominant paradigm.

虽然生态系统概念在20世纪50年代和60年代非常流行，但它已不再是主导的概念。

3.The report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) is clear on what's at stake and what needs to change.

这份来自生物多样性和生态系统服务政府间科学政策平台（IPBES）的报告明确指出了什么是利害攸关的以及什么需要改变。

4.Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.

农业是在大自然中进行的；大自然里的生态系统中各种生物和活动相互影响，而粮食的生产正是处在这样的生态环境中。

5.Alternatively, stability can be defined as the speed with which an ecosystem returns to a particular form following a major disturbance, such as a fire.

或者，稳定性可以被定义为生态系统在发生重大扰动，如一场火灾后，恢复到特定形式的速度。

6.Because complex species interactions may be involved, identifying a keystone species by removing the species and observing changes in the ecosystem is problematic.

由于其中可能涉及复杂的物种相互作用，通过移除一个关键物种并观察生态系统的变化来确定该物种是有问题的。

7.Pests often target specific tree species and, if they become established, they usually remain as permanent components of the ecosystem.

害虫通常以特定的树种为目标，一旦形成，它们通常会成为生态系统的永久组成部分。

8.See if you can identify the jellyfish you observed on the beach and how they fit into the local ecosystem．

你看看能不能识别出你在沙滩上观察到的水母，以及它们是怎样融入当地的生态系统的。

9.The coral reef is a delicate marine ecosystem that supports a wide variety of marine life.

珊瑚礁是一个脆弱的海洋生态系统，支持着多种海洋生物。

10.Urban areas can also have their own unique ecosystem, influenced by human activity.

城市地区也可以拥有自己独特的生态系统，受人类活动的影响。

11.The introduction of invasive species can disrupt the local ecosystem and harm native species.

外来物种的引入可能会破坏当地的生态系统，并危害本土物种。

12.Farmers are increasingly aware of the importance of maintaining a healthy agricultural ecosystem.

农民越来越意识到维持健康农业生态系统的重要性。

13.The rainforest is one of the most biodiverse ecosystems on the planet.

热带雨林是地球上生物多样性最丰富的生态系统之一。

作文

The term ecosystem refers to a complex network of living organisms and their physical environment, interacting as a system. This concept is fundamental in understanding how various species coexist and depend on one another for survival. In an ecosystem, every organism plays a specific role, contributing to the overall health and balance of the environment. For instance, plants produce oxygen through photosynthesis, while animals contribute to the nutrient cycle through their waste and decomposition after death. One of the most critical aspects of an ecosystem is biodiversity, which is the variety of life forms within a given area. High biodiversity often indicates a healthy ecosystem, as it enhances resilience against environmental changes and diseases. When an ecosystem has a rich diversity of species, it can better withstand disruptions, such as climate change or human activities that may threaten its stability. Conversely, a decline in biodiversity can lead to a weakened ecosystem, making it more susceptible to collapse. Human activities have a profound impact on natural ecosystems. Urbanization, deforestation, pollution, and climate change are significant threats that disrupt the delicate balance of these systems. For example, deforestation not only destroys habitats but also affects the carbon cycle, leading to increased greenhouse gas emissions. The loss of trees means less carbon dioxide is absorbed from the atmosphere, exacerbating global warming. Moreover, the introduction of invasive species can drastically alter the dynamics of an ecosystem. These species often outcompete native organisms for resources, leading to a decline in local biodiversity. This disruption can have cascading effects throughout the ecosystem, affecting food chains and the overall functionality of the environment. Conservation efforts are essential to protect and restore ecosystems. Initiatives such as creating protected areas, restoring degraded habitats, and promoting sustainable practices can help maintain the integrity of these systems. Education and awareness-raising are equally important, as they empower individuals and communities to take action to preserve their local ecosystems. By understanding the value of ecosystems, people can be motivated to act responsibly towards their environment. In conclusion, the concept of ecosystem is vital for understanding the intricate relationships between organisms and their surroundings. It highlights the importance of biodiversity and the need for conservation in the face of human-induced challenges. Protecting ecosystems not only benefits the natural world but also ensures a sustainable future for humanity. As we continue to learn more about these complex systems, we must prioritize their preservation to maintain the balance of life on Earth.

术语生态系统指的是生物有机体及其物理环境的复杂网络，这些有机体作为一个系统相互作用。这个概念在理解不同物种如何共存以及彼此依赖于生存方面是基础性的。在一个生态系统中，每个生物体扮演着特定的角色，促进环境的整体健康和平衡。例如，植物通过光合作用产生氧气，而动物则通过其废物和死亡后的分解为养分循环做出贡献。 生态系统的一个关键方面是生物多样性，即特定区域内生命形式的多样性。高生物多样性通常表明生态系统健康，因为它增强了对环境变化和疾病的抵抗力。当一个生态系统拥有丰富的物种多样性时，它能够更好地抵御干扰，例如气候变化或可能威胁其稳定性的人类活动。相反，生物多样性的下降可能导致生态系统的虚弱，使其更容易崩溃。 人类活动对自然生态系统产生深远影响。城市化、森林砍伐、污染和气候变化是破坏这些系统的重大威胁。例如，森林砍伐不仅破坏栖息地，还影响碳循环，导致温室气体排放增加。树木的减少意味着从大气中吸收的二氧化碳更少，加剧全球变暖。 此外，外来物种的引入可以极大地改变生态系统的动态。这些物种往往会与本地生物竞争资源，导致本地生物多样性的下降。这种干扰可能对生态系统产生连锁反应，影响食物链和环境的整体功能。 保护工作对于保护和恢复生态系统至关重要。创建保护区、恢复退化栖息地和促进可持续实践等倡议可以帮助维护这些系统的完整性。教育和提高意识同样重要，因为它们使个人和社区能够采取行动保护当地的生态系统。通过了解生态系统的价值，人们可以被激励以负责任的方式对待他们的环境。 总之，生态系统的概念对于理解生物体与其周围环境之间错综复杂的关系至关重要。它突显了生物多样性的重要性以及在面对人类造成的挑战时保护的必要性。保护生态系统不仅有利于自然界，还有助于确保人类的可持续未来。随着我们继续学习更多关于这些复杂系统的知识，我们必须优先考虑它们的保护，以维持地球生命的平衡。