meiofauna

简明释义

英[ˈmaɪəʊfɔːnə]美[ˈmaɪoʊfɔːnə]

n. 较小型底栖生物，较小型水底生物

英英释义

单词用法

同义词

反义词

例句

1.Meanwhile, ATP content of the phytal meiofauna from the rocky intertidal zone in Qingdao was studied.

同时还对青岛岩礁附植小型底栖动物的ATP含量进行了研究。

2.How to separating meiofauna accurately from sediments is an unfathomed problem, because meiofauna has the similar size and density with sediment granules.

由于小型底栖生物的大小、比重等物理特性与沉积物颗粒接近，如何高精度地分离样品成为一个难题。

3.How to separating meiofauna accurately from sediments is an unfathomed problem, because meiofauna has the similar size and density with sediment granules.

由于小型底栖生物的大小、比重等物理特性与沉积物颗粒接近，如何高精度地分离样品成为一个难题。

4.Free-living Marine nematodes comprised 99.8% of the total meiofauna.

自由生活海洋线虫占整个小型动物数量的99.8%。

5.As a resolvent, a novel automatic device for separating meiofauna in deep ocean, based on LIF, is introduced in detail in this paper.

为解决这一问题，提出了一种新型的基于激光诱导荧光检测海洋小型底栖生物自动分离装置的设计方案。

6.Besides, meiofauna are good environmental indicator organism because they move slowly and are sensitive to the change of environment.

此外，小型底栖动物具有活动范围小、对环境的变化反应灵敏等特点，是环境改变很好的指示生物。

7.The presence of meiofauna is often used as an indicator of environmental quality.

中型动物群的存在通常被用作环境质量的指标。

8.Sampling techniques for meiofauna often involve sieving sediment through fine mesh nets.

对中型动物群的采样技术通常涉及通过细网筛分沉积物。

9.The study of meiofauna provides insights into the health of marine ecosystems.

对中型动物群的研究为海洋生态系统的健康提供了见解。

10.Many species of meiofauna play crucial roles in nutrient cycling within their habitats.

许多中型动物群物种在其栖息地内的养分循环中扮演着重要角色。

11.Researchers found a diverse range of meiofauna in the sediment samples collected from the ocean floor.

研究人员在从海底采集的沉积物样本中发现了多种多样的中型动物群。

作文

The term meiofauna refers to a diverse group of small, often microscopic animals that inhabit the spaces between sediment particles in aquatic environments. These organisms typically range in size from 0.1 mm to 1 mm, making them smaller than macrofauna but larger than microorganisms. The study of meiofauna is crucial for understanding marine and freshwater ecosystems, as they play significant roles in nutrient cycling, sediment turnover, and as a food source for larger animals. Meiofauna includes various taxa such as nematodes, copepods, and polychaetes, which can be found in both benthic (bottom-dwelling) and pelagic (open water) habitats.One of the most fascinating aspects of meiofauna is their adaptability to different environmental conditions. They can thrive in extreme habitats, such as deep-sea trenches, intertidal zones, and even in the harsh conditions of polar regions. This adaptability makes them excellent indicators of environmental change. For instance, researchers often monitor meiofauna communities to assess the health of marine ecosystems, as these organisms respond quickly to changes in pollution levels, temperature, and salinity.In addition to their ecological importance, meiofauna also contribute to our understanding of evolutionary processes. Because they are often isolated in specific microhabitats, they can exhibit unique evolutionary traits and adaptations. Studies of meiofauna have revealed insights into speciation and biodiversity, helping scientists understand how life on Earth adapts to varying environmental pressures.Moreover, meiofauna serve as a vital food source for many larger organisms, including fish and invertebrates. Their presence in the food web supports higher trophic levels, thus maintaining the balance of aquatic ecosystems. The loss or decline of meiofauna populations can have cascading effects throughout the food web, leading to declines in fish stocks and other marine life.Research on meiofauna has grown significantly over the past few decades, with advancements in technology allowing scientists to explore previously inaccessible habitats. Molecular techniques, such as DNA barcoding, have revolutionized our ability to identify and classify these tiny creatures, leading to discoveries of new species and a better understanding of their ecological roles.In conclusion, the study of meiofauna is essential for comprehending the complexity of aquatic ecosystems. These small organisms, often overlooked due to their size, are integral to nutrient cycling, serve as indicators of environmental health, and contribute to our understanding of biodiversity and evolutionary processes. As we face increasing environmental challenges, such as climate change and habitat destruction, the importance of monitoring and preserving meiofauna cannot be overstated. Protecting these tiny yet vital components of our ecosystems is crucial for maintaining the health and balance of our planet's waters.

中型动物群是指一组多样的小型，通常是微观的动物，它们栖息在水生环境中沉积物颗粒之间的空间。这些生物的大小通常在0.1毫米到1毫米之间，使它们比大型动物群小，但比微生物大。对中型动物群的研究对于理解海洋和淡水生态系统至关重要，因为它们在营养循环、沉积物翻转以及作为较大动物的食物来源方面发挥着重要作用。中型动物群包括各种分类群，如线虫、桡足类和多毛类，可以在底栖（底部栖息）和浮游（开放水域）栖息地中找到。中型动物群最引人入胜的方面之一是它们对不同环境条件的适应能力。它们可以在极端栖息地中茁壮成长，例如深海沟、潮间带，甚至在极地地区的恶劣条件下。这种适应性使它们成为环境变化的优秀指示物。例如，研究人员经常监测中型动物群群落，以评估海洋生态系统的健康，因为这些生物对污染水平、温度和盐度的变化反应迅速。除了生态重要性外，中型动物群还为我们理解进化过程做出了贡献。由于它们通常在特定微生境中隔离，它们可能表现出独特的进化特征和适应性。对中型动物群的研究揭示了物种形成和生物多样性的见解，帮助科学家理解地球上的生命如何适应不同的环境压力。此外，中型动物群作为许多较大生物的关键食物来源。它们在食物网中的存在支持更高的营养等级，从而维持水生生态系统的平衡。中型动物群种群的丧失或下降可能对整个食物网产生级联效应，导致鱼类资源和其他海洋生物的下降。近年来，关于中型动物群的研究显著增长，技术的进步使科学家能够探索以前无法进入的栖息地。分子技术，如DNA条形码，彻底改变了我们识别和分类这些微小生物的能力，导致新物种的发现和对其生态角色的更好理解。总之，对中型动物群的研究对于理解水生生态系统的复杂性至关重要。这些小生物，常常因其体积而被忽视，是营养循环的核心，作为环境健康的指示物，并有助于我们理解生物多样性和进化过程。随着气候变化和栖息地破坏等环境挑战的加剧，监测和保护中型动物群的重要性不容小觑。保护这些微小但至关重要的生态系统组成部分对于维护我们星球水域的健康和平衡至关重要。