allogenous stream

简明释义

外源河;

英英释义

An allogenous stream refers to a watercourse that originates from outside a particular watershed or drainage basin, often bringing in water and sediment from external sources.

外源性河流是指起源于特定集水区或排水盆地之外的水流,通常从外部来源带来水和沉积物。

例句

1.Environmentalists are concerned about the effects of an allogenous stream on native fish populations.

环保主义者担心异源水流对本地鱼类种群的影响。

2.An allogenous stream can change the chemical composition of the water in a river.

异源水流可以改变河流中水的化学成分。

3.The researchers studied the impact of an allogenous stream on local biodiversity.

研究人员研究了异源水流对当地生物多样性的影响。

4.In hydrology, an allogenous stream can significantly alter the landscape over time.

在水文学中,异源水流可以随着时间显著改变地貌。

5.The introduction of an allogenous stream into the ecosystem can lead to new species colonization.

异源水流引入生态系统可能导致新物种的定殖。

作文

In the study of ecology and environmental science, the term allogenous stream refers to a watercourse that is influenced by external factors or inputs from surrounding environments. This concept is vital for understanding how different ecosystems interact and the role that various elements play in shaping aquatic habitats. An allogenous stream typically receives water, nutrients, and organic matter from adjacent land areas, which can significantly affect its biological and chemical characteristics. For instance, when rainwater flows over agricultural fields, it can carry fertilizers and pesticides into nearby streams, transforming them into allogenous streams. The introduction of these substances can lead to nutrient pollution, causing algal blooms that deplete oxygen levels in the water and harm aquatic life. Understanding the dynamics of allogenous streams is crucial for effective environmental management and conservation efforts.Moreover, allogenous streams can serve as indicators of land use changes and their impacts on water quality. As urbanization increases, impervious surfaces such as roads and buildings alter the natural flow of water, leading to increased runoff and sedimentation in nearby streams. This process highlights the interconnectedness of terrestrial and aquatic ecosystems, emphasizing the need for integrated approaches to land and water management.The study of allogenous streams also extends to the field of hydrology, where researchers examine how these streams contribute to the overall watershed dynamics. They play a significant role in regulating water flow, especially during periods of heavy rainfall or snowmelt. By understanding the behavior of allogenous streams, scientists can better predict flooding events and devise strategies to mitigate their impacts on communities.Furthermore, the ecological health of allogenous streams is often assessed through the analysis of biodiversity within these water bodies. The presence of various aquatic species can indicate the quality of the water and the extent of external influences. Conservationists often focus on protecting allogenous streams as they are vital habitats for many organisms and serve as corridors for wildlife movement.In conclusion, the concept of allogenous stream is essential for comprehending the complexities of ecosystem interactions and the impact of human activities on aquatic environments. By studying these streams, we gain valuable insights into the health of our waterways and the necessary steps to preserve them for future generations. Effective management of allogenous streams not only benefits local ecosystems but also supports the overall sustainability of our planet's water resources.

在生态学和环境科学的研究中,术语外源性水流指的是受到周边环境外部因素或输入影响的水流。这一概念对于理解不同生态系统之间的相互作用以及各种元素在塑造水生栖息地中的作用至关重要。外源性水流通常从邻近土地区域接收水、营养物质和有机物,这可能会显著影响其生物和化学特性。例如,当雨水流经农业用地时,它可能会将肥料和农药带入附近的溪流,从而将其转变为外源性水流。这些物质的引入可能导致营养污染,造成藻类爆发,消耗水中的氧气并危害水生生命。理解外源性水流的动态对于有效的环境管理和保护工作至关重要。此外,外源性水流可以作为土地利用变化及其对水质影响的指示器。随着城市化的加剧,不透水表面如道路和建筑物改变了水的自然流动,导致附近溪流的径流和沉积增加。这个过程突显了陆地和水生生态系统之间的相互联系,强调了对土地和水资源管理采取综合方法的必要性。外源性水流的研究还扩展到水文学领域,研究人员考察这些溪流如何影响整个流域的动态。在强降雨或融雪期间,它们在调节水流方面发挥着重要作用。通过理解外源性水流的行为,科学家可以更好地预测洪水事件,并制定减轻其对社区影响的策略。此外,通常通过分析这些水体内的生物多样性来评估外源性水流的生态健康。各种水生物种的存在可以指示水质及外部影响的程度。保护主义者通常专注于保护外源性水流,因为它们是许多生物的重要栖息地,并且作为野生动物迁徙的走廊。总之,外源性水流的概念对于理解生态系统相互作用的复杂性以及人类活动对水生环境的影响至关重要。通过研究这些溪流,我们获得了关于水道健康及保护未来世代所需步骤的宝贵见解。有效管理外源性水流不仅有利于当地生态系统,还支持我们星球水资源的整体可持续性。

相关单词

stream

stream详解:怎么读、什么意思、用法