navicula

简明释义

英[nəˈvɪkjʊlə]美[nəˈvɪkjələ]

n. 舟状窝

英英释义

单词用法

同义词

反义词

例句

1.For Navicula, a majority of diatoms could be extracted by enzymatic digestion method, while only a few diatoms could be detected by other three methods.

对舟形藻（海水），酶消化法的检出率高，其余三种方法几乎检测不到硅藻；

2.For Navicula, a majority of diatoms could be extracted by enzymatic digestion method, while only a few diatoms could be detected by other three methods.

对舟形藻（海水），酶消化法的检出率高，其余三种方法几乎检测不到硅藻；

3.The presence of navicula indicates good water quality in aquatic ecosystems.

在水生生态系统中，navicula的存在表明水质良好。

4.Researchers use navicula as a bioindicator for environmental monitoring.

研究人员使用navicula作为环境监测的生物指示剂。

5.The navicula species is known for its unique symmetrical shape.

navicula物种以其独特的对称形状而闻名。

6.In the freshwater pond, we found several species of navicula growing on the rocks.

在淡水池塘中，我们发现了几种生长在岩石上的navicula。

7.The biologist examined the structure of the navicula under a microscope.

生物学家在显微镜下检查了navicula的结构。

作文

In the vast world of biology, many terms can often seem obscure or overly technical. One such term is navicula, which refers to a genus of diatoms, a type of algae that are notable for their intricate and beautiful silica cell walls. These microscopic organisms play a crucial role in aquatic ecosystems, serving as primary producers and forming the base of the food web. Understanding the significance of navicula is essential for appreciating the health of our water bodies. Diatoms, including navicula, are essential for photosynthesis in aquatic environments. They convert sunlight into energy, producing oxygen as a byproduct. This process not only sustains their own life but also supports countless other organisms, from tiny zooplankton to larger fish species. In fact, it is estimated that diatoms contribute to about 20% of the global oxygen supply, making them vital for maintaining atmospheric balance. Moreover, navicula and other diatoms are indicators of environmental health. Scientists often study these organisms to assess water quality. The presence or absence of certain species can indicate pollution levels or changes in nutrient availability. For instance, an abundance of navicula might suggest a eutrophic condition, where excess nutrients lead to algal blooms, while a decline could signal adverse environmental changes. The structure of navicula is as fascinating as its ecological role. Their unique shape, often resembling a boat or a small vessel, is where the name comes from—navicula means 'little ship' in Latin. This design not only aids in movement through water but also contributes to their survival by providing a large surface area for photosynthesis while minimizing resistance against water currents. In addition to their ecological importance, navicula has applications in various scientific fields. Researchers utilize these diatoms in paleolimnology, the study of ancient lakes, to reconstruct past environmental conditions. By examining sediment cores that contain fossilized navicula, scientists can infer historical climate patterns and ecological shifts over millennia. This information is invaluable for understanding how current climate change may impact aquatic environments. Furthermore, the beauty of navicula has not gone unnoticed in the art world. The intricate patterns of their silica shells have inspired artists and designers alike. Some have even incorporated these designs into jewelry, textiles, and home decor, merging science with aesthetics. In conclusion, the term navicula encompasses much more than just a scientific classification. It represents a critical component of our ecosystem, a tool for scientific research, and a source of inspiration for creativity. By understanding and appreciating navicula, we gain insight into the intricate connections within our environment and the importance of preserving our natural resources. As we face global challenges such as climate change and pollution, recognizing the role of organisms like navicula can help us advocate for healthier ecosystems and a more sustainable future.

在生物学的广阔世界中，许多术语可能显得晦涩或过于专业。其中一个术语是navicula，它指的是一种硅藻的属，这种藻类以其复杂而美丽的硅质细胞壁而闻名。这些微小的生物在水生生态系统中发挥着至关重要的作用，作为初级生产者，形成食物链的基础。理解navicula的重要性对于欣赏我们水体的健康至关重要。包括navicula在内的硅藻对水生环境中的光合作用至关重要。它们将阳光转化为能量，并产生氧气作为副产品。这一过程不仅维持了它们自身的生命，还支持了无数其他生物，从微小的浮游动物到更大的鱼类物种。实际上，硅藻估计约占全球氧气供应的20%，使它们对维持大气平衡至关重要。此外，navicula和其他硅藻是环境健康的指示剂。科学家们经常研究这些生物以评估水质。某些物种的存在或缺失可以指示污染水平或营养物质可用性的变化。例如，navicula的丰富可能表明富营养化条件，其中过量的营养物质导致藻类爆发，而数量减少则可能表明不利的环境变化。navicula的结构与其生态角色同样引人入胜。它们独特的形状，通常类似于船只或小船，这就是名称的由来——navicula在拉丁语中意为“小船”。这种设计不仅有助于它们在水中的移动，还通过提供较大的光合作用表面积来提高生存能力，同时最小化水流的阻力。除了生态重要性外，navicula在各个科学领域也有应用。研究人员利用这些硅藻进行古湖泊学的研究，以重建过去的环境条件。通过检查包含化石化navicula的沉积物核心，科学家可以推断出数千年来的历史气候模式和生态变化。这些信息对于理解当前气候变化可能如何影响水生环境至关重要。此外，navicula的美丽在艺术界也引起了注意。它们硅壳的复杂图案激发了艺术家和设计师的灵感。有些人甚至将这些设计融入珠宝、纺织品和家居装饰中，将科学与美学相结合。总之，术语navicula不仅仅代表一个科学分类。它代表了我们生态系统的关键组成部分，是科学研究的工具，也是创造力的灵感来源。通过理解和欣赏navicula，我们获得了对环境内部复杂联系的洞察，以及保护自然资源的重要性。在面对气候变化和污染等全球挑战时，认识到像navicula这样的生物的作用可以帮助我们倡导更健康的生态系统和更可持续的未来。