eutrophic

简明释义

英[juːˈtrɒfɪk]美[juːˈtroʊfɪk]

adj. 富营养的；发育营养正常的

n. 发育营养正常促进剂

英英释义

单词用法

同义词

反义词

例句

1.Lake Nanhu is in serious eutrophic state, and needs to take measures to prevent the water quality from worsening further.

长春市南湖水体呈现较为严重的富营养化状态，需要采取措施防止南湖水质进一步恶化。

2.Using enclosure ecosystem bags, the control of algal overgrowth with chemical methods is studied in eutrophic Chaohu Lake.

本文报道了在湖泊现场用围隔生态系统对藻类进行化学控制的研究。

3.The results will give some advice for environmental management of Lake Taihu and can be used to set up the standard for evaluating ecosystem health of shallow eutrophic lakes.

该结果对进一步研究湖泊生态系统健康评价指标阈值具有重要的参考意义。

4.As the main source water supply of Xi 'an city, Heihe reservoir is facing some problems that the water quality is deteriorating and the reservoir is gradually becoming eutrophic.

黑河金盆水库作为西安市主要的饮用水水源地，近些年面临着水质恶化、富营养化加剧的严峻形势。

5.When eutrophic condition of water body is serious, algae on water surface proliferate and cover the water surface flakily to form water blooms or red tides.

水体严重富营养化时，水面藻类增殖，成片或成团地覆盖在水体表面，形成水华或赤潮。

6.It is match with in the eutrophic sediment spatial distribution of elements and in the water in the same period.

同时期的底泥中富营养化元素空间分布趋势与水体中的相吻合。

7.The lake is classified as eutrophic, meaning it is rich in nutrients and supports a high level of plant growth.

这个湖被归类为富营养的，意味着它富含养分，支持高水平的植物生长。

8.Eutrophic conditions can lead to algal blooms that deplete oxygen in the water.

富营养的条件可能导致藻类大量繁殖，从而耗尽水中的氧气。

9.Scientists monitor eutrophic lakes to study their impact on local ecosystems.

科学家监测富营养的湖泊，以研究它们对当地生态系统的影响。

10.The eutrophic status of the pond was confirmed by testing its nutrient levels.

通过测试营养物质水平，确认了池塘的富营养状态。

11.Managing eutrophic waters requires careful planning to prevent further degradation.

管理富营养的水域需要仔细规划，以防止进一步恶化。

作文

Eutrophication is a process that occurs in aquatic ecosystems, where an excess of nutrients, particularly nitrogen and phosphorus, leads to increased plant growth, especially algae. This phenomenon can be described as 富营养化, which refers to the enrichment of water bodies with nutrients that stimulate the growth of aquatic plants. While some level of nutrient input is natural and necessary for maintaining healthy ecosystems, excessive amounts can lead to severe ecological consequences. In many cases, human activities such as agriculture, industrial discharge, and urban runoff contribute significantly to nutrient loading in lakes, rivers, and coastal waters. For example, fertilizers used in farming often contain high levels of nitrogen and phosphorus. When it rains, these fertilizers can wash into nearby water bodies, causing them to become 富营养化. This nutrient overload can result in harmful algal blooms, which not only deplete oxygen levels in the water but also produce toxins that can be detrimental to aquatic life and even pose health risks to humans. The effects of 富营养化 are profound and widespread. As algae proliferate, they can create thick mats on the surface of the water, blocking sunlight from reaching submerged plants. This lack of light can cause these plants to die off, disrupting the food web and leading to a decline in fish populations that rely on these plants for habitat and food. Additionally, when algae die and decompose, the process consumes oxygen in the water, leading to hypoxic conditions or 'dead zones' where most aquatic life cannot survive. Moreover, the economic implications of 富营养化 are significant. Water bodies affected by this issue may become unsuitable for recreational activities such as swimming, fishing, and boating, which can affect local tourism and economies. Furthermore, the treatment of drinking water can become more complex and costly due to the presence of toxins produced by harmful algal blooms, placing an additional financial burden on municipalities. Preventing and managing 富营养化 requires a multi-faceted approach. One effective strategy is to implement better agricultural practices, such as using cover crops and buffer strips to reduce runoff. Additionally, promoting the use of organic fertilizers and minimizing the application of synthetic ones can help decrease nutrient inputs into water bodies. Urban areas can also play a role by improving stormwater management systems to filter out pollutants before they enter waterways. Public awareness and education are crucial in addressing the issue of 富营养化. Communities must understand the importance of protecting their local water bodies and the steps they can take to reduce nutrient pollution. Engaging stakeholders, including farmers, industry representatives, and local residents, can foster collaborative efforts to improve water quality. In conclusion, 富营养化 is a significant environmental challenge that arises from nutrient over-enrichment in aquatic ecosystems. Its consequences extend beyond ecological impacts, affecting economic activities and public health. By adopting sustainable practices and raising awareness, we can mitigate the effects of 富营养化 and preserve the health of our precious water resources for future generations.

富营养化是发生在水生生态系统中的一种过程，其中营养物质（尤其是氮和磷）的过量导致植物生长增加，尤其是藻类。这种现象可以被描述为富营养化，它指的是水体中营养物质的丰富，刺激水生植物的生长。虽然某种程度的营养输入是自然且必要的，以维持健康的生态系统，但过量的营养物质会导致严重的生态后果。 在许多情况下，人类活动，例如农业、工业排放和城市径流，显著促进了湖泊、河流和沿海水域的营养负荷。例如，农业中使用的肥料通常含有高水平的氮和磷。当下雨时，这些肥料可能会冲入附近的水体，导致它们变得富营养化。这种营养过载可能导致有害的藻类暴发，这不仅会耗尽水中的氧气，还会产生对水生生物有害的毒素，甚至对人类健康构成风险。 富营养化的影响深远且普遍。当藻类大量繁殖时，它们可能在水面上形成厚厚的垫层，阻挡阳光照射到水下植物。这种缺乏光照可能导致这些植物死亡，破坏食物链，并导致依赖这些植物作为栖息地和食物的鱼类种群下降。此外，当藻类死亡并分解时，这一过程会消耗水中的氧气，导致缺氧条件或“死区”，大多数水生生物无法生存。 此外，富营养化的经济影响也是显著的。受此问题影响的水体可能不适合游泳、钓鱼和划船等休闲活动，这可能影响当地旅游业和经济。此外，由于有害藻类暴发所产生的毒素的存在，饮用水的处理可能变得更加复杂和昂贵，给市政当局带来额外的财务负担。 预防和管理富营养化需要多方面的方法。一种有效的策略是实施更好的农业实践，例如使用覆盖作物和缓冲带以减少径流。此外，推广使用有机肥料并最小化合成肥料的施用可以帮助减少水体中的营养输入。城市地区也可以通过改善雨水管理系统，在污染物进入水道之前进行过滤，发挥作用。 公众意识和教育在解决富营养化问题中至关重要。社区必须了解保护当地水体的重要性以及他们可以采取的减少营养污染的措施。吸引利益相关者，包括农民、行业代表和当地居民，可以促进合作努力以改善水质。 总之，富营养化是一个显著的环境挑战，源于水生生态系统中的营养过度丰富。其后果超越生态影响，影响经济活动和公共健康。通过采用可持续的做法和提高意识，我们可以减轻富营养化的影响，保护我们珍贵水资源的健康，以供后代使用。