sympatry

简明释义

英[sɪmˈpætri]美[sɪmˈpætri]

n. [生态] 分布区重叠；同域分布；共存性

英英释义

单词用法

同义词

反义词

例句

1.The sympatry in space and the synchrony in time indicated that these natural enemies had high efficiency to control their preys.

天敌和害虫在空间上的同域性和时间上的同步性说明了天敌对害虫控制作用较明显。

2.The sympatry in space and the synchrony in time indicated that these natural enemies had high efficiency to control their preys.

天敌和害虫在空间上的同域性和时间上的同步性说明了天敌对害虫控制作用较明显。

3.The two species exhibit sympatry, meaning they coexist in the same geographic area.

这两个物种表现出同域分布，意味着它们在同一地理区域内共存。

4.In regions of sympatry, competition for resources can lead to evolutionary changes.

在同域分布的地区，资源竞争可能导致进化变化。

5.Studying sympatry helps researchers understand how species adapt to shared environments.

研究同域分布有助于研究人员了解物种如何适应共享环境。

6.The presence of sympatry among these birds indicates a complex ecological interaction.

这些鸟类之间存在同域分布，表明生态互动复杂。

7.In areas of sympatry, hybridization between species can occur more frequently.

在同域分布的区域，物种之间的杂交可能更为频繁。

作文

In the study of ecology and evolutionary biology, the term sympatry refers to the occurrence of two or more species in the same geographical area, where they can potentially interact and compete for resources. This concept is crucial for understanding biodiversity and the dynamics of species interactions within ecosystems. When species are in sympatry with one another, they may exhibit various adaptations that allow them to coexist despite the competition for similar resources. For example, two bird species might share the same habitat but occupy different niches; one may feed on insects while the other primarily consumes seeds. This differentiation in feeding habits is a strategy that enables them to thrive in sympatry without directly competing for the same food source. Moreover, sympatry can lead to fascinating evolutionary outcomes such as character displacement, where species evolve distinct traits when they coexist in the same area. This phenomenon occurs because competition drives species to adapt in ways that reduce overlap in their ecological roles. A classic example of this is observed in Darwin's finches in the Galápagos Islands, where different species of finches have evolved varying beak sizes and shapes to exploit different food resources available in their shared environment. The implications of sympatry extend beyond mere coexistence; they also influence the evolutionary trajectories of species involved. When species are in sympatry, they may experience increased selective pressures that can lead to speciation. This process occurs when populations of the same species adapt to different ecological niches, eventually leading to the emergence of new species. The presence of multiple species in a sympatry scenario can thus enhance genetic diversity and contribute to the resilience of ecosystems, making them better equipped to withstand environmental changes. However, sympatry is not without its challenges. Species that exist in close proximity may face heightened competition for limited resources, which can lead to population declines or even extinction if one species outcompetes the other. Human activities, such as habitat destruction and climate change, further exacerbate these challenges by altering the environments in which species coexist. Conservation efforts must take into account the complex interactions that occur in sympatry, as protecting one species often requires safeguarding the entire ecosystem and the relationships within it. In conclusion, the concept of sympatry is fundamental to understanding ecological interactions and evolutionary processes. It highlights the intricate balance that exists within ecosystems and the importance of species diversity. By studying sympatry, researchers can gain insights into how species adapt, compete, and evolve in response to one another, ultimately contributing to the rich tapestry of life on our planet. As we continue to face environmental challenges, recognizing the significance of sympatry will be essential for effective conservation strategies aimed at preserving biodiversity and maintaining healthy ecosystems.

在生态学和进化生物学研究中，术语sympatry指的是两种或多种物种在同一地理区域内的发生，它们可以相互作用并竞争资源。这个概念对于理解生物多样性和物种在生态系统中的相互作用动态至关重要。当物种与彼此处于sympatry时，它们可能会表现出各种适应性，使它们能够共存，尽管面临着对相似资源的竞争。例如，两种鸟类可能共享同一栖息地，但占据不同的生态位；一种可能以昆虫为食，而另一种主要以种子为食。这种喂养习惯的差异是一种策略，使它们能够在sympatry中茁壮成长，而不直接竞争相同的食物来源。 此外，sympatry可能导致引人入胜的进化结果，例如特征位移，当物种在同一区域共存时，物种会进化出不同的特征。这个现象发生的原因是竞争驱使物种以减少其生态角色重叠的方式适应。一个经典的例子是在加拉帕戈斯群岛观察到的达尔文雀，不同种类的雀类已经进化出不同的喙大小和形状，以利用它们共享环境中可用的不同食物资源。 sympatry的影响不仅限于简单的共存；它们也影响参与物种的进化轨迹。当物种处于sympatry时，它们可能会经历增加的选择压力，这可能导致物种形成。这个过程发生在同一物种的群体适应不同的生态位时，最终导致新物种的出现。因此，多种物种在sympatry场景中的存在可以增强遗传多样性，并有助于生态系统的韧性，使其更好地应对环境变化。 然而，sympatry并非没有挑战。存在于近距离的物种可能面临资源有限的高度竞争，这可能导致种群下降甚至灭绝，如果一种物种在竞争中击败另一种物种。人类活动，如栖息地破坏和气候变化，进一步加剧了这些挑战，通过改变物种共存的环境。保护工作必须考虑到发生在sympatry中的复杂相互作用，因为保护一种物种往往需要保护整个生态系统及其内部关系。 总之，sympatry的概念对于理解生态相互作用和进化过程是基础的。它突显了生态系统内存在的微妙平衡以及物种多样性的重要性。通过研究sympatry，研究人员可以深入了解物种如何适应、竞争和因彼此而进化，从而最终为我们星球上丰富的生命画卷做出贡献。随着我们继续面临环境挑战，认识到sympatry的重要性将对有效的保护策略至关重要，这些策略旨在保护生物多样性并维护健康的生态系统。