periphyton

简明释义

英[pəˈrɪfɪtɒn]美[ˌperɪˈfaɪtən;pəˈrɪfəˌtɑːn]

n. 固着生物

英英释义

单词用法

同义词

反义词

例句

1.Tilapia (Oreochromis niloticus) is the dominant species in freshwaters of South China, and its food includes phytoplankton in open water habitats and periphyton in substrate-surface habitats.

罗非鱼是我国南方许多淡水湖泊中的优势种，食物包括浮游植物、附着藻类及沉水植物等。

2.The percentages of phytoplankton, macrophyte and periphyton in the total net primary production were 93%, 6% and 1% respectively.

浮游植物、大型水生植物和附生藻类在净初级生产力中的比例分别为93%、6%和1%。

3.Tilapia (Oreochromis niloticus) is the dominant species in freshwaters of South China, and its food includes phytoplankton in open water habitats and periphyton in substrate-surface habitats.

罗非鱼是我国南方许多淡水湖泊中的优势种，食物包括浮游植物、附着藻类及沉水植物等。

4.The health of the river ecosystem can be assessed by studying the composition of periphyton 附生藻类 present on the rocks.

通过研究岩石上的periphyton 附生藻类组成，可以评估河流生态系统的健康状况。

5.Researchers found that the abundance of periphyton 附生藻类 can indicate nutrient levels in freshwater lakes.

研究人员发现，periphyton 附生藻类的丰度可以指示淡水湖泊中的营养水平。

6.In aquatic environments, periphyton 附生藻类 serves as a crucial food source for many herbivorous organisms.

在水生环境中，periphyton 附生藻类是许多食草生物的重要食物来源。

7.The presence of diverse periphyton 附生藻类 species is essential for maintaining biodiversity in aquatic ecosystems.

多样化的periphyton 附生藻类物种的存在对维持水生生态系统的生物多样性至关重要。

8.Monitoring periphyton 附生藻类 growth can help scientists understand the effects of pollution on aquatic habitats.

监测periphyton 附生藻类的生长可以帮助科学家了解污染对水生栖息地的影响。

作文

In the study of aquatic ecosystems, the term periphyton refers to a complex community of microorganisms, algae, and detritus that adhere to submerged surfaces in aquatic environments. This fascinating assemblage plays a crucial role in the health and functioning of water bodies. Understanding periphyton is essential for ecologists and environmental scientists, as it serves as a primary producer and a vital component of the food web. Periphyton can be found on various substrates, including rocks, plants, and artificial structures, where it forms a biofilm that can significantly influence nutrient cycling and energy flow within the ecosystem.The growth of periphyton is influenced by several factors, including light availability, water flow, and nutrient concentrations. In areas with abundant sunlight and nutrients, periphyton can flourish, leading to increased primary productivity. This productivity not only supports a diverse range of aquatic organisms, from herbivorous grazers to higher trophic levels, but also contributes to the overall biodiversity of the ecosystem. Conversely, excessive growth of periphyton, often due to nutrient pollution, can lead to detrimental effects such as oxygen depletion and habitat degradation.Research has shown that periphyton communities are sensitive indicators of environmental changes. Monitoring their composition and abundance can provide valuable insights into the health of aquatic systems. For instance, a decline in periphyton diversity may signal increased pollution or habitat alteration, prompting further investigation and potential remediation efforts. Consequently, understanding the dynamics of periphyton is vital for effective management and conservation of freshwater ecosystems.In addition to its ecological significance, periphyton has practical applications in water quality assessment and bioremediation. Scientists have developed methods to utilize periphyton as bioindicators, leveraging their sensitivity to changes in environmental conditions. By analyzing the species composition and biomass of periphyton, researchers can gauge the impact of human activities on aquatic habitats. Moreover, certain species of periphyton can be employed in bioremediation strategies to remove excess nutrients and pollutants from water bodies, thereby improving water quality.In conclusion, periphyton is a vital component of aquatic ecosystems, playing a key role in nutrient cycling, energy flow, and biodiversity. Its sensitivity to environmental changes makes it an important indicator for assessing ecosystem health. As we continue to face challenges such as pollution and habitat loss, understanding and preserving periphyton communities will be essential for maintaining the integrity of our freshwater resources. By recognizing the importance of periphyton, we can take informed actions to protect our aquatic environments for future generations.

在水生生态系统的研究中，术语periphyton指的是一组复杂的微生物、藻类和沉积物，它们附着在水体中的浸没表面上。这个迷人的群落在水体的健康和功能中扮演着至关重要的角色。理解periphyton对生态学家和环境科学家来说是必不可少的，因为它作为初级生产者和食物网的重要组成部分。Periphyton可以在各种基底上找到，包括岩石、植物和人工结构，在那里形成的生物膜可以显著影响营养物质循环和能量流动。Periphyton的生长受到多种因素的影响，包括光照可用性、水流和营养浓度。在阳光和营养丰富的地区，periphyton可以蓬勃发展，导致初级生产力的增加。这种生产力不仅支持从食草动物到更高营养级的各种水生生物，还为生态系统的整体生物多样性做出贡献。相反，periphyton的过度生长，通常由于营养污染，可能导致氧气耗竭和栖息地退化等有害影响。研究表明，periphyton群落是环境变化的敏感指示剂。监测它们的组成和丰度可以提供有关水生系统健康的宝贵见解。例如，periphyton多样性的下降可能表明污染或栖息地改变的增加，从而促使进一步的调查和潜在的修复工作。因此，理解periphyton的动态对于有效管理和保护淡水生态系统至关重要。除了其生态意义外，periphyton在水质评估和生物修复方面也具有实际应用。科学家们已经开发出利用periphyton作为生物指示剂的方法，利用其对环境条件变化的敏感性。通过分析periphyton的物种组成和生物量，研究人员可以评估人类活动对水生栖息地的影响。此外，某些periphyton物种可以用于生物修复策略，以去除水体中的多余营养物质和污染物，从而改善水质。总之，periphyton是水生生态系统的重要组成部分，在营养物质循环、能量流动和生物多样性中发挥关键作用。其对环境变化的敏感性使其成为评估生态系统健康的重要指标。随着我们继续面临污染和栖息地丧失等挑战，理解和保护periphyton群落将对维护我们的淡水资源的完整性至关重要。通过认识到periphyton的重要性，我们可以采取知情行动，保护我们的水生环境，为未来的世代服务。