fresh water mark

简明释义

淡水载重线标志

英英释义

例句

1.The boat was anchored just below the fresh water mark, indicating the highest level of fresh water in the lake.

这艘船停靠在淡水标记以下，表明湖泊中淡水的最高水平。

2.The fresh water mark serves as a reminder of the previous flood levels in the area.

这个淡水标记提醒人们该地区之前的洪水水位。

3.Anglers often look for the fresh water mark to find the best fishing spots.

钓鱼者通常寻找淡水标记以找到最佳钓鱼地点。

4.During the dry season, the fresh water mark on the riverbank became visible, showing how much water had receded.

在干旱季节，河岸上的淡水标记变得可见，显示出水位下降了多少。

5.The scientists measured the fresh water mark to understand the impact of climate change on the lake's ecosystem.

科学家测量了淡水标记以了解气候变化对湖泊生态系统的影响。

作文

Water is one of the most essential resources on our planet. It covers about 71% of the Earth's surface, yet only a small fraction of this water is suitable for human consumption. The term fresh water mark refers to the point at which water transitions from saltwater to freshwater, indicating a significant ecological boundary. Understanding this concept is crucial for environmental conservation and sustainable management of our water resources.The fresh water mark is not just a geographical term; it has profound implications for ecosystems and biodiversity. Freshwater bodies, such as rivers, lakes, and wetlands, support a wide variety of plant and animal life that is specifically adapted to low salinity levels. When we talk about the fresh water mark, we are discussing areas where freshwater species thrive, and where saltwater species begin to dominate. This transition zone is vital for many species, including fish that migrate between freshwater and saltwater during different stages of their life cycles.The importance of the fresh water mark is further emphasized by the increasing pressures on our water systems due to climate change, pollution, and over-extraction of water resources. As temperatures rise, glaciers that feed rivers may melt more rapidly, altering the natural flow and salinity of water bodies. This can shift the fresh water mark inland or upstream, affecting the habitats and livelihoods of countless species, including humans. For example, communities that rely on freshwater fishing may find their catch diminishing as the ecosystem changes.Moreover, the concept of the fresh water mark is critical in discussions about water rights and access. Many regions around the world face disputes over freshwater resources, particularly in areas where rivers cross national boundaries. Understanding where the fresh water mark lies can help in negotiating water-sharing agreements and ensuring that all parties have fair access to this precious resource. In urban areas, the fresh water mark can also be affected by human activity. Urban runoff, industrial discharges, and agricultural practices can introduce pollutants into freshwater systems, pushing the fresh water mark further away from its natural state. This not only impacts wildlife but also poses risks to human health as contaminated water sources can lead to disease outbreaks.To preserve our freshwater resources and maintain the integrity of the fresh water mark, it is essential to adopt sustainable practices. This includes protecting wetlands, restoring damaged ecosystems, and implementing policies that promote responsible water use. Education and awareness are also key components in this effort, as communities must understand the significance of the fresh water mark and the need to protect it.In conclusion, the fresh water mark is a vital concept that encompasses ecological, economic, and social dimensions. As we strive to manage our water resources sustainably, recognizing the importance of this boundary will be crucial in ensuring the health of our ecosystems and the well-being of future generations. By working together to protect our freshwater environments, we can safeguard this invaluable resource for all living beings on Earth.

水是我们星球上最基本的资源之一。它覆盖了地球表面约71%的面积，但只有一小部分水适合人类饮用。术语淡水标记指的是水从盐水过渡到淡水的点，表示一个重要的生态边界。理解这个概念对于环境保护和可持续管理我们的水资源至关重要。淡水标记不仅仅是一个地理术语；它对生态系统和生物多样性有深远的影响。淡水水体，如河流、湖泊和湿地，支持着各种植物和动物生命，这些生命专门适应低盐度水平。当我们谈论淡水标记时，我们是在讨论淡水物种繁盛的区域，以及盐水物种开始占主导地位的地方。这一过渡区对许多物种至关重要，包括在不同生命周期阶段在淡水和盐水之间迁徙的鱼类。淡水标记的重要性因气候变化、污染和水资源过度开采对我们水系统施加的日益压力而进一步加强。随着温度上升，喂养河流的冰川可能会更快融化，改变水体的自然流动和盐度。这可能使得淡水标记向内陆或上游移动，影响无数物种的栖息地和生计，包括人类。例如，依赖淡水捕鱼的社区可能会发现他们的捕捞量减少，因为生态系统发生了变化。此外，淡水标记的概念在水权和获取的讨论中也至关重要。世界许多地区面临淡水资源争端，特别是在跨国界的河流区域。了解淡水标记的位置可以帮助谈判水资源共享协议，并确保所有各方公平获取这一珍贵资源。在城市地区，淡水标记也可能受到人类活动的影响。城市径流、工业排放和农业实践可能会将污染物引入淡水系统，使淡水标记远离其自然状态。这不仅影响野生动物，还对人类健康构成风险，因为受污染的水源可能导致疾病爆发。为了保护我们的淡水资源并保持淡水标记的完整性，采用可持续实践至关重要。这包括保护湿地、恢复受损的生态系统以及实施促进负责任用水的政策。教育和意识也是这一努力的关键组成部分，因为社区必须理解淡水标记的重要性及其保护的必要性。总之，淡水标记是一个重要的概念，涵盖了生态、经济和社会维度。在我们努力可持续管理水资源时，认识到这一边界的重要性对于确保生态系统的健康和未来几代人的福祉至关重要。通过共同努力保护我们的淡水环境，我们可以为地球上所有生物保护这一宝贵资源。