mesotrophic

简明释义

[ˌmesəʊˈtrɒfɪk][mesoʊˈtrɑːfɪk]

adj. (水体)中滋育的

英英释义

Referring to a body of water that has a moderate level of nutrients, typically characterized by a balance between productivity and oxygen levels.

指营养水平适中的水体,通常表现为生产力与氧气水平之间的平衡。

单词用法

mesotrophic lake

中营养湖

mesotrophic conditions

中营养条件

mesotrophic ecosystem

中营养生态系统

transition from oligotrophic to mesotrophic

从贫营养到中营养的转变

characteristics of mesotrophic waters

中营养水体的特征

同义词

moderately productive

适度生产力

A mesotrophic lake supports a moderate level of aquatic life.

中营养湖支持适度水平的水生生命。

反义词

eutrophic

富营养的

Eutrophic lakes often experience algal blooms due to excessive nutrients.

富营养湖泊由于营养物质过多,常常出现藻类繁殖。

oligotrophic

贫营养的

Oligotrophic environments are characterized by low nutrient levels and high oxygen content.

贫营养环境的特点是营养物质含量低和氧气含量高。

例句

1.According to the comprehensive trophic level index (TLI), the values of Tangxi reservoir were between 30 and 50. It showed that the reservoir was mesotrophic.

结果表明,汤溪水库综合营养状态指数(TLI)在30 ~50之间,属中营养水平。

2.Results show that mesotrophic water constitutes 42.6% of total water area, and the area of eutrophication is 5.8%, including Miaohu Lake and Shuiguohu Lake.

计算可知,东湖占42.6%面积的区域属中等营养水平,5.8%面积的区域为富营养化水平。

3.Hedi Reservoir, located in the north of Leizhou Peninsula, is a large and mesotrophic reservoir.

鹤地水库位于雷州半岛北部,是一座中营养化的大型水库。

4.According to the comprehensive trophic level index (TLI), the values of Tangxi reservoir were between 30 and 50. It showed that the reservoir was mesotrophic.

结果表明,汤溪水库综合营养状态指数(TLI)在30 ~50之间,属中营养水平。

5.Among the 34 lakes studied in 1970's, most of lakes were in the mesotrophic status, mesotrophic water area accounted for 91.8%.

此中34个湖泊1970年的研讨,年夜局部湖泊都在中养状况,营养型水域面积占91.8%。

6.The lake belongs to mesotrophic waters and is still a macrophytic lake.

该湖泊总体上属中营养型水体,仍保持草型湖状态。

7.In mesotrophic lakes, algal blooms are less frequent compared to eutrophic lakes.

中营养型湖泊中,与富营养湖泊相比,藻类水华发生的频率较低。

8.The lake is classified as mesotrophic, meaning it has a moderate level of nutrients and supports a balanced ecosystem.

这个湖泊被归类为中营养型,意味着它具有适度的营养水平,并支持平衡的生态系统。

9.Researchers found that the mesotrophic conditions in the pond were ideal for certain fish species.

研究人员发现,这个池塘的中营养型条件对某些鱼类物种来说是理想的。

10.The conservation program aims to restore the mesotrophic state of the wetland.

该保护计划旨在恢复湿地的中营养型状态。

11.Monitoring the health of mesotrophic ecosystems can help prevent them from becoming eutrophic.

监测中营养型生态系统的健康状况可以帮助防止它们变成富营养型。

作文

The term mesotrophic refers to a classification of aquatic ecosystems that have a moderate level of productivity. This classification is crucial for understanding the health and quality of freshwater bodies such as lakes and rivers. In contrast to oligotrophic systems, which are characterized by low nutrient levels and high oxygen content, and eutrophic systems, which are rich in nutrients but often suffer from issues like algal blooms and oxygen depletion, mesotrophic waters strike a balance between these two extremes. In a mesotrophic lake, one can typically find a diverse range of aquatic life, including various fish species, plants, and microorganisms. The moderate nutrient levels support a healthy ecosystem where these organisms can thrive without the detrimental effects associated with excessive nutrient loading. For instance, fish populations in mesotrophic lakes tend to be more stable and diverse compared to those in either oligotrophic or eutrophic environments. This biodiversity is essential not only for the ecological balance but also for recreational activities such as fishing and boating, which are vital for local economies.Moreover, mesotrophic conditions are often seen as an indicator of good water quality. Scientists and environmentalists monitor the nutrient levels in water bodies to determine whether they fall into the mesotrophic category. If a lake begins to show signs of becoming more nutrient-rich, it may transition into a eutrophic state, leading to potential ecological problems. Such transitions can be caused by various factors, including agricultural runoff, urban development, and other human activities that introduce excess nutrients into the water system.Understanding the concept of mesotrophic ecosystems is critical for conservation efforts. Protecting these balanced environments is essential to prevent them from tipping into less desirable states. Conservation strategies may include implementing better land-use practices, reducing fertilizer application, and restoring natural habitats around water bodies. By maintaining mesotrophic conditions, we can ensure that these ecosystems continue to provide essential services, such as clean water, habitat for wildlife, and recreational opportunities for communities.In conclusion, the classification of aquatic ecosystems into oligotrophic, mesotrophic, and eutrophic categories helps us understand their ecological health and productivity. Mesotrophic waters represent a balanced state that supports diverse life forms and contributes to the overall well-being of the environment. As we face increasing pressures from human activities, it becomes imperative to monitor and protect these vital ecosystems to ensure they remain healthy and productive for future generations.

术语mesotrophic指的是一种水生生态系统的分类,其营养水平适中。这一分类对于理解淡水体(如湖泊和河流)的健康和质量至关重要。与低营养水平和高氧含量特征的贫营养(oligotrophic)系统相比,以及富含营养但常常面临藻类暴发和缺氧等问题的富营养(eutrophic)系统,mesotrophic水体在这两者之间达到了一种平衡。在mesotrophic湖泊中,通常可以发现多种水生生物,包括各种鱼类、植物和微生物。适中的营养水平支持着一个健康的生态系统,使这些生物能够茁壮成长,而不会遭受过量营养负荷带来的不利影响。例如,与贫营养或富营养环境中的鱼类种群相比,mesotrophic湖泊中的鱼类种群往往更加稳定和多样。这种生物多样性不仅对生态平衡至关重要,而且对钓鱼和划船等休闲活动也至关重要,这些活动对当地经济至关重要。此外,mesotrophic条件通常被视为良好水质的指标。科学家和环保人士监测水体中的营养水平,以确定它们是否属于mesotrophic类别。如果一个湖泊开始显示出变得更富营养的迹象,它可能会过渡到富营养状态,从而导致潜在的生态问题。这种转变可能由多种因素引起,包括农业径流、城市发展以及其他人类活动,这些活动将过量的营养物质引入水系统。理解mesotrophic生态系统的概念对保护工作至关重要。保护这些平衡的环境对于防止它们转变为不太理想的状态至关重要。保护策略可能包括实施更好的土地利用实践、减少肥料施用以及恢复水体周围的自然栖息地。通过维持mesotrophic条件,我们可以确保这些生态系统继续提供重要的服务,如清洁水源、野生动物栖息地以及为社区提供的休闲机会。总之,将水生生态系统分为贫营养、mesotrophic和富营养类别有助于我们理解其生态健康和生产力。mesotrophic水域代表了一种支持多样生命形式的平衡状态,并为环境的整体福祉做出贡献。随着我们面临来自人类活动日益加大的压力,监测和保护这些重要生态系统变得尤为重要,以确保它们在未来世代中保持健康和富有生产力。