endemism

简明释义

英[/ˌɛn.dəˈmɪ.zəm/]美[/ˌɛn.dəˈmɪ.zəm/]

n. 特有现象；地方特殊性；地方性生长；特有分布

英英释义

单词用法

同义词

反义词

例句

1.Endemism in the ligneous flora of eastern Asia.

标题东亚木本植物区系的特有性。

2.The relic genera once occupied huge areas in North Hemisphere in the Tertiary or the late Cretaceous, while neo-endemism was mostly originated in the late Tertiary .

从起源上看， 被子植物的古特有属主要发生于晚白垩纪和早第三纪，地质历史上大都占有广阔的分布区；

3.Endemism of vertebrates and invertebrates is also very high.

公园里的本地特有的脊椎动物和无脊椎动物也很多。

4.There were a certain amount of rare and protected plants. However, endemism in this area was not obvious, and only contained 1 genus and 9 species endemic to China.

区内具有一定数量的重点保护植物，但特有现象不显著，有中国特有属1属，中国特有种9种。

5.Sheila Conant: Hawaii is unique in its rate of what we call endemism. And that is the existence of species that occur in Hawaii and they occur nowhere else in the world.

希拉•柯南特：夏威夷的独特性体现在物种的特有分布率，即夏威夷存在的物种是世界其他任何地区所没有的。

6.Sheila Conant: Hawaii is unique in its rate of what we call endemism. And that is the existence of species that occur in Hawaii and they occur nowhere else in the world.

希拉•柯南特：夏威夷的独特性体现在物种的特有分布率，即夏威夷存在的物种是世界其他任何地区所没有的。

7.The concept of endemism (地方性) is crucial for conservation efforts.

概念地方性对保护工作至关重要。

8.The island's unique flora and fauna are a result of its high level of endemism (地方性).

这个岛屿独特的植物和动物是其高水平的地方性造成的。

9.Scientists study endemism (地方性) to understand how species evolve in isolated environments.

科学家研究地方性以理解物种如何在孤立环境中进化。

10.Australia is known for its high levels of endemism (地方性) among marsupials.

澳大利亚因其袋鼠类动物的高地方性而闻名。

11.The researchers found several species with endemism (地方性) in the remote mountain region.

研究人员在偏远山区发现了几种具有地方性的物种。

作文

Endemism is a term that refers to the ecological state of a species being unique to a defined geographic area and not naturally found anywhere else. This concept is particularly significant in the field of biodiversity conservation, as it highlights the importance of preserving specific habitats that support unique flora and fauna. For instance, the Galápagos Islands are renowned for their high levels of endemism (特有性), with many species, such as the Galápagos tortoise and the marine iguana, being found nowhere else on Earth. This unique biodiversity has made the islands a focal point for evolutionary studies and conservation efforts.The phenomenon of endemism (特有性) can occur at various scales, from a single island to an entire continent. In Australia, for example, there are numerous plant and animal species that exhibit endemism (特有性), including the iconic kangaroo and eucalyptus trees. These species have adapted to the specific environmental conditions of their habitats, making them vulnerable to changes such as climate change, habitat destruction, and invasive species.Understanding endemism (特有性) is crucial for conservation biology. Areas with high levels of endemism (特有性) are often prioritized for protection because the loss of these species would mean the loss of unique genetic diversity. Conservationists aim to create protected areas that encompass the habitats of endemic (特有的) species to ensure their survival. For example, the Madagascar rainforest is home to many endemic (特有的) species, including lemurs and baobab trees, and conservation efforts are focused on preserving this unique ecosystem.However, endemism (特有性) is not solely about the number of unique species; it also relates to the ecological roles these organisms play within their ecosystems. Endemic species often occupy specific niches, contributing to the overall health and stability of their environments. The extinction of an endemic (特有的) species can have cascading effects on the ecosystem, disrupting food webs and leading to further declines in biodiversity.Moreover, the study of endemism (特有性) provides insights into the evolutionary processes that shape life on Earth. By examining how species have evolved in isolation, scientists can better understand the mechanisms of natural selection and speciation. For instance, the unique evolutionary history of the Hawaiian Islands has led to a remarkable array of endemic (特有的) birds, such as the Hawaiian honeycreeper, which showcases the adaptive radiation of species in response to different ecological niches.In conclusion, endemism (特有性) is a vital concept in understanding biodiversity and the importance of conservation efforts. Protecting areas with high levels of endemism (特有性) ensures the survival of unique species and maintains the ecological balance of their habitats. As we face global challenges such as climate change and habitat loss, recognizing the significance of endemism (特有性) can guide our actions towards more effective conservation strategies, ensuring that these irreplaceable species continue to thrive for future generations.

特有性是指某一物种在特定地理区域内独特存在，并且自然状态下不在其他地方发现的生态状态。这个概念在生物多样性保护领域尤为重要，因为它强调了保护支持独特植物和动物的特定栖息地的重要性。例如，加拉帕戈斯群岛因其高水平的特有性而闻名，许多物种，如加拉帕戈斯龟和海鬣蜥，仅在地球上此地存在。这种独特的生物多样性使得这些岛屿成为进化研究和保护努力的焦点。特有性现象可以在不同尺度上发生，从单个岛屿到整个大陆。例如，在澳大利亚，有许多植物和动物物种展现出特有性，包括标志性的袋鼠和桉树。这些物种已经适应了其栖息地的特定环境条件，使其易受气候变化、栖息地破坏和入侵物种等变化的影响。理解特有性对于保护生物学至关重要。具有高特有性水平的地区通常被优先保护，因为失去这些物种意味着失去独特的遗传多样性。保护主义者旨在创建保护区，以涵盖特有物种的栖息地，以确保它们的生存。例如，马达加斯加雨林是许多特有物种的家园，包括狐猴和猴面包树，保护工作集中在保留这一独特生态系统上。然而，特有性不仅仅关乎独特物种的数量；它还与这些生物在其生态系统中所扮演的生态角色有关。特有物种通常占据特定生态位，为其环境的整体健康和稳定作出贡献。特有物种的灭绝可能对生态系统产生连锁反应，破坏食物链并导致生物多样性的进一步下降。此外，特有性的研究为我们提供了关于塑造地球生命的进化过程的见解。通过研究物种如何在孤立中进化，科学家可以更好地理解自然选择和物种形成的机制。例如，夏威夷群岛独特的进化历史孕育了大量特有鸟类，如夏威夷蜜雀，这展示了物种对不同生态位的适应辐射。总之，特有性是理解生物多样性和保护努力重要性的关键概念。保护具有高特有性水平的地区确保了独特物种的生存，并维持其栖息地的生态平衡。在面对气候变化和栖息地丧失等全球挑战时，认识到特有性的重要性可以指导我们的行动，采取更有效的保护策略，确保这些不可替代的物种为后代继续繁荣。