seston

简明释义

英[ˈsestən]美[ˈsestən]

n. 浮游物；[海洋] 悬浮物

英英释义

单词用法

同义词

反义词

例句

1.Pigments dynamics in seston during enclosure experiment were studied by means of HPLC, and the impacts of filter-feeding silver carp on the main pigments were discussed.

用高效液相色谱法（ HPLC）研究了围隔实验过程中水柱颗粒物主要色素的组成及动态变化，并就滤食性鱼类鲢对水体主要色素代谢的影响进行了讨论。

2.The mean ash contents of seston was 42 38%.

颗粒悬浮物的灰分含量平均值为42 .3 8%。

3.Pigments dynamics in seston during enclosure experiment were studied by means of HPLC, and the impacts of filter-feeding silver carp on the main pigments were discussed.

用高效液相色谱法（ HPLC）研究了围隔实验过程中水柱颗粒物主要色素的组成及动态变化，并就滤食性鱼类鲢对水体主要色素代谢的影响进行了讨论。

4.The seston composition can vary greatly between freshwater and marine environments.

淡水和海洋环境中的seston成分可能差异很大。

5.High levels of seston can lead to decreased light penetration in the water.

高水平的seston会导致水中光线穿透力下降。

6.The concentration of seston in the water can indicate the health of the aquatic ecosystem.

水中的seston浓度可以指示水生生态系统的健康状况。

7.Researchers are studying how different types of seston affect fish populations.

研究人员正在研究不同类型的seston如何影响鱼类种群。

8.Monitoring seston helps scientists understand nutrient cycling in aquatic systems.

监测seston有助于科学家理解水生系统中的养分循环。

作文

In the study of aquatic ecosystems, the term seston refers to the collection of both particulate and living organic matter suspended in water. This includes a variety of components such as phytoplankton, zooplankton, and detritus. Understanding seston is crucial for ecologists and environmental scientists because it plays a vital role in the food web and nutrient cycling within aquatic environments. For instance, phytoplankton, which are microscopic plants, form the base of the aquatic food chain. They utilize sunlight to produce energy through photosynthesis, thereby serving as a primary food source for zooplankton, small animals that feed on these tiny plants.The significance of seston extends beyond just being a food source. It also contributes to the overall health of aquatic ecosystems. The concentration and composition of seston can indicate the productivity of a body of water. High levels of phytoplankton often signify a nutrient-rich environment, which can be beneficial for fish populations. However, an excess of nutrients can lead to algal blooms, which may deplete oxygen levels in the water and harm aquatic life.Moreover, seston is not only important for the organisms that live in water but also affects human activities. Fisheries rely on healthy populations of fish, which depend on the availability of seston for their growth and reproduction. Therefore, monitoring seston levels can help in managing fish stocks and ensuring sustainable fishing practices.Research on seston also encompasses its role in carbon cycling. As phytoplankton photosynthesize, they absorb carbon dioxide from the atmosphere, which helps mitigate climate change. When these organisms die, they sink to the ocean floor, effectively sequestering carbon in deep waters. This process highlights the importance of seston not only in ecological terms but also in addressing global environmental challenges.In conclusion, the concept of seston is integral to understanding aquatic ecosystems. It serves as a fundamental component of the food web, influences the health of water bodies, supports fisheries, and plays a role in carbon cycling. As we face increasing environmental pressures, studying seston will become even more critical in our efforts to protect and sustain aquatic environments. By prioritizing research and conservation efforts focused on seston, we can better manage our natural resources and ensure the resilience of aquatic ecosystems for future generations.

seston在水生生态系统的研究中，指的是悬浮在水中的颗粒和生物有机物的集合。这包括各种成分，如浮游植物、浮游动物和腐殖质。理解seston对生态学家和环境科学家至关重要，因为它在水生环境中的食物网和养分循环中扮演着重要角色。例如，浮游植物是微小的植物，形成了水生食物链的基础。它们利用阳光通过光合作用产生能量，从而成为浮游动物的主要食物来源，这些小动物以这些微小植物为食。seston的重要性不仅仅体现在作为食物来源上。它还对水生生态系统的整体健康做出贡献。seston的浓度和组成可以表明水体的生产力。高水平的浮游植物通常意味着营养丰富的环境，这对鱼类种群是有利的。然而，营养过剩可能导致藻类暴发，从而消耗水中的氧气并危害水生生物。此外，seston不仅对生活在水中的生物重要，还影响人类活动。渔业依赖健康的鱼类种群，而这些鱼类的生长和繁殖依赖于seston的可用性。因此，监测seston水平可以帮助管理鱼类资源，确保可持续的捕鱼实践。关于seston的研究还涉及其在碳循环中的作用。当浮游植物进行光合作用时，它们从大气中吸收二氧化碳，这有助于缓解气候变化。当这些生物死亡时，它们会沉入海底，有效地将碳封存于深水中。这个过程突显了seston在生态学和应对全球环境挑战中的重要性。总之，seston的概念对于理解水生生态系统至关重要。它作为食物网的基本组成部分，影响水体的健康，支持渔业，并在碳循环中发挥作用。随着我们面临越来越大的环境压力，研究seston将变得更加重要，以保护和维持水生环境。通过优先考虑针对seston的研究和保护工作，我们可以更好地管理自然资源，确保水生生态系统的韧性，为子孙后代服务。