middle reach

简明释义

中游

英英释义

例句

1.The middle reach of the lake is known for its clear water and abundant wildlife.

这个湖的中游以清澈的水和丰富的野生动物而闻名。

2.Fish populations tend to thrive in the middle reach of the stream due to the stable flow.

由于水流稳定，鱼类种群往往在中游中繁荣。

3.In the middle reach of the river, the current slows down, allowing for easier fishing.

在河流的中游，水流减缓，使钓鱼变得更容易。

4.The river is calm in the middle reach, making it perfect for kayaking.

这条河在中游时很平静，非常适合皮划艇运动。

5.During our hike, we stopped at a scenic overlook in the middle reach of the canyon.

在我们的徒步旅行中，我们在峡谷的中游的一个风景区停下来。

作文

In the study of river systems, the term middle reach refers to the section of a river that lies between its upper reaches and lower reaches. This area is crucial for understanding the ecological and hydrological dynamics of a river. The middle reach typically experiences a balance of influences from both upstream and downstream activities, making it an area of significant interest for environmental scientists and ecologists.The middle reach of a river often features a variety of habitats that support diverse wildlife. For example, in this region, the flow of water tends to be more stable compared to the turbulent upper reaches, which are often characterized by steep gradients and rapid currents. This stability allows for the development of lush riparian zones, where plants and animals thrive. Fish species, such as trout and bass, are commonly found in the middle reach, as they prefer the moderate flow conditions that provide ample feeding opportunities and shelter.Additionally, the middle reach plays a vital role in the sediment transport process. As rivers flow from their source to the sea, they carry sediments that can shape the landscape. In the middle reach, sediment begins to settle, creating bars and islands that contribute to the river’s morphology. Understanding these processes is essential for effective river management and conservation efforts.Human activities also significantly impact the middle reach. Urbanization, agriculture, and industrial development can lead to pollution and habitat destruction. For instance, runoff from agricultural fields can introduce fertilizers and pesticides into the river, adversely affecting water quality and aquatic life. Therefore, it is essential to implement sustainable practices to protect the middle reach and its ecosystems.Moreover, the middle reach serves as a critical resource for local communities. Many people rely on rivers for drinking water, recreation, and transportation. The health of the middle reach directly influences the livelihoods of those who depend on its resources. Conservation efforts must take into account the needs of these communities while also protecting the ecological integrity of the river system.In conclusion, the middle reach of a river is a vital segment that supports diverse ecosystems and provides essential resources for human populations. Understanding its dynamics is crucial for effective river management and conservation. By prioritizing the health of the middle reach, we can ensure the sustainability of our waterways for future generations. Protecting this area not only benefits the environment but also enhances the quality of life for those who depend on these vital resources.

在河流系统的研究中，短语middle reach指的是河流的中段，位于上游和下游之间。这个区域对于理解河流的生态和水文动态至关重要。middle reach通常受到上下游活动的双重影响，使其成为环境科学家和生态学家的重要研究对象。河流的middle reach往往具有多样化的栖息地，支持着丰富的野生动物。例如，在这一地区，水流相较于上游的湍急部分更为稳定，这些上游区域通常具有陡峭的坡度和快速的水流。这种稳定性允许茂盛的滨水区的发展，植物和动物在此繁荣生长。鱼类如鳟鱼和鲈鱼通常出现在middle reach中，因为它们偏好适中的流速条件，这为它们提供了充足的觅食机会和庇护所。此外，middle reach在沉积物输送过程中也发挥着至关重要的作用。随着河流从源头流向海洋，它们携带的沉积物可以塑造景观。在middle reach，沉积物开始沉降，形成沙洲和岛屿，进而影响河流的形态。理解这些过程对于有效的河流管理和保护工作至关重要。人类活动也对middle reach产生了重大影响。城市化、农业和工业发展可能导致污染和栖息地破坏。例如，农业田地的径流可能将肥料和农药引入河流，从而对水质和水生生物造成不利影响。因此，实施可持续实践以保护middle reach及其生态系统是非常必要的。此外，middle reach对当地社区也是重要的资源。许多人依赖河流获取饮用水、娱乐和交通。middle reach的健康状况直接影响到依赖其资源的人的生计。保护工作必须考虑到这些社区的需求，同时保护河流系统的生态完整性。总之，河流的middle reach是一个重要的部分，支持着多样的生态系统，并为人类提供基本资源。理解其动态对于有效的河流管理和保护至关重要。通过优先考虑middle reach的健康，我们可以确保我们的水道在未来几代人的可持续性。保护这一地区不仅有利于环境，还能提高依赖这些重要资源的人的生活质量。