oligotrophic

简明释义

英[ˌɒlɪɡəʊˈtrɒfɪk]美[ˌɑːlɪɡoʊˈtrɑːfɪk]

adj. （湖泊、池塘等）贫营养的，营养不足的

英英释义

单词用法

同义词

反义词

例句

1.The research shows that the Chenghai Lake is a tsoda lake which is in transition from freshwater lake to saltwater lake and no longer an oligotrophic lake.

研究结果表明，程海是一个由淡水湖向咸水湖过渡的苏打湖，并且不再届贫营养湖。

2.The research shows that the Chenghai Lake is a tsoda lake which is in transition from freshwater lake to saltwater lake and no longer an oligotrophic lake.

研究结果表明，程海是一个由淡水湖向咸水湖过渡的苏打湖，并且不再届贫营养湖。

3.Therefore it is significant to investigate composition, physiochemical properties and water-chemical environment in the oligotrophic peat in China.

因此，弄清我国贫营养泥炭沉积的物质组成及水化学环境特征，具有重要意义。

4.The composite ratio of oligotrophic bacteria and algicidal strain is 2:1, after separately training.

菌剂复配方式为分别培养后投加，贫营养菌与溶藻菌的复配比为2：1。

5.The lake is classified as oligotrophic 贫营养的 due to its low nutrient levels and clear waters.

这个湖被归类为贫营养的，因为它的养分水平低且水质清澈。

6.Scientists study oligotrophic 贫营养的 lakes to understand the impact of low nutrient availability on aquatic life.

科学家研究贫营养的湖泊，以了解低养分可用性对水生生物的影响。

7.The oligotrophic 贫营养的 nature of the water body makes it ideal for certain species of fish.

该水体的贫营养的特性使其成为某些鱼类的理想栖息地。

8.In an oligotrophic 贫营养的 environment, you will often find high levels of dissolved oxygen.

在贫营养的环境中，您通常会发现高水平的溶解氧。

9.Researchers found that oligotrophic 贫营养的 lakes have a unique biodiversity compared to eutrophic lakes.

研究人员发现，与富营养湖相比，贫营养的湖泊具有独特的生物多样性。

作文

In the realm of ecology, the term oligotrophic refers to a type of water body that is characterized by low nutrient levels, particularly nitrogen and phosphorus. These water bodies are often clear and support a limited amount of plant life, which in turn affects the overall ecosystem. Understanding what it means for a lake or a stream to be oligotrophic is crucial for environmental scientists and ecologists, as it helps them assess the health of aquatic ecosystems and their capacity to support various forms of life. One of the most significant characteristics of oligotrophic waters is their clarity. Due to the low concentration of nutrients, there is less algae growth, which allows sunlight to penetrate deeper into the water. This clarity not only makes oligotrophic lakes and rivers visually appealing but also creates a unique habitat for certain species of fish and aquatic plants. Species such as trout and whitefish thrive in these environments, as they prefer cooler waters with high oxygen levels, conditions that are typically found in oligotrophic systems. Moreover, oligotrophic lakes are often found in remote areas, far from urban development. They are usually located in mountainous regions or areas with minimal human impact. This geographical isolation contributes to their pristine condition, making them vital for biodiversity conservation. The preservation of oligotrophic ecosystems is essential because they act as indicators of environmental health. A shift towards more nutrient-rich conditions can signal pollution or other ecological disturbances, leading to eutrophication, a process that can devastate aquatic life. The study of oligotrophic environments also has implications for climate change. As global temperatures rise, the dynamics of these ecosystems may shift. Warmer temperatures can lead to changes in water chemistry, potentially increasing nutrient levels and transforming oligotrophic lakes into more productive, but less clear, eutrophic systems. This transition can have cascading effects on local wildlife and plant communities, disrupting established food webs and leading to a loss of biodiversity. Furthermore, oligotrophic waters play a role in recreational activities and tourism. Many people seek out these clear, clean lakes for fishing, swimming, and kayaking. The economic benefits derived from tourism centered around oligotrophic environments can be significant, providing income for local communities. However, this increased human activity must be managed carefully to prevent degradation of these delicate ecosystems. In conclusion, the concept of oligotrophic waters encompasses much more than just low nutrient levels; it reflects a complex interaction between geology, hydrology, biology, and human activity. Protecting these ecosystems is essential not only for maintaining biodiversity but also for preserving the natural beauty and recreational opportunities they provide. As we continue to study and understand oligotrophic environments, we must remain vigilant in our efforts to protect them from the threats posed by pollution, climate change, and overuse. By doing so, we ensure that future generations can enjoy and learn from these remarkable ecosystems.

在生态学领域，术语oligotrophic指的是一种水体，其特征是养分水平低，特别是氮和磷。这些水体通常清澈，支持有限的植物生命，这反过来又影响整体生态系统。理解湖泊或溪流为何被称为oligotrophic对环境科学家和生态学家至关重要，因为这有助于他们评估水生生态系统的健康状况及其支持各种生命形式的能力。 Oligotrophic水域最显著的特征之一是其清晰度。由于养分浓度低，藻类生长较少，从而使阳光能够深入水中。这种清晰度不仅使oligotrophic湖泊和河流在视觉上吸引人，还为某些鱼类和水生植物创造了独特的栖息地。像鳟鱼和白鱼这样的物种在这些环境中茁壮成长，因为它们更喜欢凉爽且氧气含量高的水，这些条件通常出现在oligotrophic系统中。 此外，oligotrophic湖泊通常位于偏远地区，远离城市开发。它们通常位于山区或人类影响最小的地区。这种地理隔离有助于它们保持原始状态，使它们对生物多样性保护至关重要。保护oligotrophic生态系统是必不可少的，因为它们作为环境健康的指标。向更富营养的条件转变可能表明污染或其他生态干扰，导致富营养化，这一过程可能会摧毁水生生命。 对oligotrophic环境的研究还与气候变化有关。随着全球气温上升，这些生态系统的动态可能会发生变化。温暖的温度可能导致水化学的变化，可能增加养分水平，并将oligotrophic湖泊转变为更具生产性的但不那么清澈的富营养化系统。这种转变可能会对当地野生动物和植物群落产生连锁反应，破坏既定的食物网，从而导致生物多样性的丧失。 此外，oligotrophic水域在休闲活动和旅游中也发挥着重要作用。许多人寻找这些清澈、干净的湖泊进行钓鱼、游泳和皮划艇。围绕oligotrophic环境的旅游所带来的经济利益可能是显著的，为当地社区提供收入。然而，这种人类活动的增加必须谨慎管理，以防止这些脆弱生态系统的退化。 总之，oligotrophic水域的概念不仅仅涵盖了低养分水平；它反映了地质、水文学、生物学和人类活动之间复杂的相互作用。保护这些生态系统对于维持生物多样性以及保护它们所提供的自然美和休闲机会至关重要。随着我们继续研究和理解oligotrophic环境，我们必须保持警惕，努力保护它们免受污染、气候变化和过度使用等威胁。通过这样做，我们确保未来的世代能够享受和学习这些非凡的生态系统。