casual species

简明释义

偶见种

英英释义

例句

1.Some casual species 偶发物种 can become invasive if they spread too rapidly in new environments.

一些偶发物种 casual species如果在新环境中传播过快，可能会变得具有侵略性。

2.The local park is home to several casual species 偶发物种 that are not native but have adapted well.

当地公园里有几种偶发物种 casual species，它们虽然不是本地物种，但适应得很好。

3.In many gardens, you can find a variety of casual species 偶发物种 that thrive without much care.

在许多花园中，你可以找到各种各样的偶发物种 casual species，它们在不需要太多照料的情况下茁壮成长。

4.Birdwatchers often enjoy spotting casual species 偶发物种 that visit their area during migration seasons.

鸟类观察者常常喜欢在迁徙季节看到在他们地区出现的偶发物种 casual species。

5.Researchers study casual species 偶发物种 to understand how they affect local ecosystems.

研究人员研究偶发物种 casual species，以了解它们如何影响当地生态系统。

作文

In the study of ecology and biodiversity, the term casual species refers to organisms that are not consistently present in a particular habitat but appear sporadically or occasionally. These species often thrive in environments that are subject to change, whether due to natural fluctuations or human activity. Understanding casual species is crucial for ecologists and conservationists as it helps them assess the health of ecosystems and predict changes in biodiversity. Casual species can be influenced by various factors, including climate, soil conditions, and the presence of other species. For instance, a plant species might be considered a casual species in a forest if it only appears after a disturbance, such as a fire or logging. In urban environments, certain plants or animals may become casual species due to landscaping practices or changes in land use. The presence of casual species can indicate the resilience of an ecosystem. When disturbances occur, these species may fill ecological niches temporarily, contributing to the overall biodiversity of the area. This phenomenon is particularly important in the context of climate change, where shifting environmental conditions may lead to new patterns of species distribution. Moreover, casual species can play significant roles in food webs and ecosystem functions. For example, a casual herbaceous plant may provide food for pollinators or serve as a host for certain insects. Although they may not be dominant or permanent members of the community, their occasional presence can have ripple effects throughout the ecosystem. Conservation efforts often focus on protecting endemic and endangered species, but understanding the role of casual species is equally important. By monitoring these species, scientists can gain insights into the changing dynamics of ecosystems. For instance, if a once-common casual species becomes more frequent, it may suggest that conditions are becoming more favorable for that organism, potentially indicating shifts in the ecosystem's health. Conversely, a decline in the occurrence of certain casual species could signal environmental stress or degradation. In conclusion, the concept of casual species is vital for comprehending the complexities of ecological interactions. These species, while not always present, contribute significantly to the dynamics of ecosystems. Their sporadic appearances can provide essential information about environmental changes and help guide conservation strategies. As we continue to face challenges related to biodiversity loss and climate change, recognizing the importance of casual species will be crucial for maintaining healthy ecosystems and ensuring a sustainable future for all species, including humans. In summary, casual species (偶然物种) are those that do not maintain a consistent presence in a habitat but appear intermittently. They play a significant role in understanding ecological health and dynamics.

在生态学和生物多样性的研究中，术语casual species（偶然物种）指的是在特定栖息地中并不始终存在的生物，而是偶尔或间歇性出现。这些物种通常在受自然波动或人为活动影响的环境中繁衍生息。理解casual species对生态学家和保护主义者至关重要，因为这帮助他们评估生态系统的健康状况并预测生物多样性的变化。偶然物种可能受到多种因素的影响，包括气候、土壤条件以及其他物种的存在。例如，一种植物在森林中可能被视为casual species，如果它仅在干扰后出现，例如火灾或伐木。在城市环境中，由于园林绿化实践或土地利用变化，某些植物或动物可能成为casual species。casual species的存在可以表明生态系统的弹性。当干扰发生时，这些物种可能暂时填补生态位，从而有助于该地区整体生物多样性。这一现象在气候变化背景下尤为重要，因为环境条件的变化可能导致物种分布的新模式。此外，casual species在食物网和生态系统功能中也可以发挥重要作用。例如，一种偶然出现的草本植物可能为授粉者提供食物，或作为某些昆虫的寄主。尽管它们可能不是社区中的主导或永久成员，但它们偶尔的出现可以对整个生态系统产生涟漪效应。保护工作通常集中在保护特有和濒危物种上，但理解casual species的作用同样重要。通过监测这些物种，科学家可以获得有关生态系统动态变化的见解。例如，如果一种曾经常见的casual species变得更为频繁，这可能表明该生物体的生存条件变得更加有利，可能暗示生态系统健康状况的变化。相反，某些casual species的出现频率下降可能会发出环境压力或退化的信号。总之，casual species的概念对于理解生态互动的复杂性至关重要。这些物种虽然并不总是存在，但对生态系统的动态有着重要贡献。它们的偶尔出现可以提供有关环境变化的重要信息，并帮助指导保护策略。随着我们继续面临与生物多样性丧失和气候变化相关的挑战，认识到casual species的重要性对于维持健康的生态系统和确保所有物种（包括人类）的可持续未来至关重要。总之，casual species（偶然物种）是指在栖息地中不保持一致存在但间歇性出现的物种。它们在理解生态健康和动态方面发挥着重要作用。