pneumatophore

简明释义

英[ˈnjuːmətəfɔː]美[ˈnjʊmˈmætofɔ]

n. 呼吸根；[动] 气胞囊

英英释义

单词用法

同义词

反义词

例句

1.Pneumatophore ( aerophore ; breathing root ) a specialized neg atively geotropic root produced by certain aquatic vascular plants ( especially trees such as man groves, e. g.

呼吸根：指由某种水生维管植物产生的特化的负向地性根（尤其如红树，如海桑属） ，在土壤之上生长良好。

2.Pneumatophore ( aerophore ; breathing root ) a specialized neg atively geotropic root produced by certain aquatic vascular plants ( especially trees such as man groves, e. g.

呼吸根：指由某种水生维管植物产生的特化的负向地性根（尤其如红树，如海桑属） ，在土壤之上生长良好。

3.Pneumatophore aerophore; breathing root a specialized negatively geotropic root produced by certain aquatic vascular plants especially trees such as mangroves, e. g.

呼吸根：指由某种水生维管植物产生的特化的负向地性根(尤其如红树，如海桑属)，在土壤之上生长良好。

4.The mangrove trees in the coastal area have developed specialized structures called pneumatophores to help them breathe in waterlogged soil.

沿海地区的红树林发展出一种特殊结构，称为气生根，以帮助它们在水logged土壤中呼吸。

5.During our biology field trip, we observed how pneumatophores assist mangroves in obtaining oxygen.

在我们的生物实地考察中，我们观察到气生根如何帮助红树林获取氧气。

6.The unique morphology of pneumatophores allows them to rise above the water level, facilitating gas exchange.

独特的气生根形态使它们能够高于水位，从而促进气体交换。

7.In some species, the height of the pneumatophores can indicate the health of the mangrove ecosystem.

在某些物种中，气生根的高度可以指示红树林生态系统的健康状况。

8.The roots of the mangrove tree are not just for stability; they also include pneumatophores for respiration.

红树林树木的根不仅用于稳定；它们还包括用于呼吸的气生根。

作文

In the intricate web of ecosystems, plants have evolved remarkable adaptations to survive in challenging environments. One such adaptation can be observed in certain species of mangroves, which thrive in coastal areas where saltwater meets freshwater. Among their unique features, the pneumatophore stands out as a fascinating structural adaptation that facilitates survival in oxygen-poor soils. The term pneumatophore refers to specialized aerial roots that extend above the water's surface, allowing these resilient trees to breathe in an otherwise inhospitable environment. Mangroves are typically found in intertidal zones, where they are often submerged during high tides. This submersion can create anoxic conditions in the soil, making it difficult for roots to absorb the necessary oxygen for respiration. To combat this challenge, mangrove species such as Avicennia and Sonneratia have developed pneumatophores, which rise vertically from their root systems. These structures are equipped with lenticels—small openings that allow gas exchange to occur. The significance of pneumatophores extends beyond mere survival; they play a crucial role in maintaining the health of the entire mangrove ecosystem. By facilitating oxygen intake, pneumatophores enable mangroves to grow and reproduce, contributing to the stability of coastal environments. Furthermore, these unique roots provide habitat and shelter for various marine organisms, including fish and crustaceans, thus promoting biodiversity. The presence of pneumatophores also has implications for coastal protection. Mangrove forests act as natural barriers against storm surges and erosion, safeguarding coastal communities from the devastating effects of hurricanes and typhoons. The intricate root systems, including pneumatophores, help anchor the soil in place, reducing the impact of strong waves and currents. However, despite their ecological importance, mangrove ecosystems face numerous threats due to human activities. Deforestation, coastal development, and pollution are leading to the degradation of these vital habitats. As a result, the future of pneumatophores and the mangrove trees that produce them is at risk. Conservation efforts are essential to protect these ecosystems, ensuring that the unique adaptations of mangroves, such as pneumatophores, continue to thrive in the face of environmental challenges. In conclusion, the pneumatophore is not just a fascinating botanical feature; it represents the resilience and adaptability of mangrove ecosystems. Understanding the function and significance of pneumatophores is crucial for appreciating the complex interactions within coastal environments and the need for their preservation. As we navigate the challenges posed by climate change and habitat destruction, recognizing the value of such unique adaptations will be vital in our efforts to protect the planet's biodiversity and ensure the survival of these remarkable ecosystems.

在生态系统的复杂网络中，植物为了在挑战性环境中生存而进化出了显著的适应性。其中一种适应性可以在某些红树林物种中观察到，这些植物在淡水与盐水相遇的沿海地区茁壮成长。在它们独特的特征中，气生根作为一种迷人的结构适应性脱颖而出，有助于在缺氧土壤中生存。术语气生根指的是特殊的空气根，伸出水面，使这些坚韧的树木能够在原本不适宜的环境中呼吸。 红树林通常生长在潮间带，在高潮时常常被淹没。这种淹没可能导致土壤中的缺氧状况，使根部难以吸收必要的呼吸氧气。为了应对这一挑战，像Avicennia和Sonneratia这样的红树林物种发展出了气生根，这些根部垂直升起于根系之上。这些结构配备了气孔——小开口，允许气体交换发生。 气生根的重要性不仅仅在于生存；它们在维持整个红树林生态系统的健康方面发挥着关键作用。通过促进氧气摄入，气生根使红树林能够生长和繁殖，从而有助于沿海环境的稳定。此外，这些独特的根部为各种海洋生物提供栖息地和庇护，包括鱼类和甲壳类动物，从而促进生物多样性。 气生根的存在还对沿海保护产生了影响。红树林森林作为自然屏障，抵御风暴潮和侵蚀，保护沿海社区免受飓风和台风的毁灭性影响。复杂的根系，包括气生根，有助于将土壤固定在位，减少强波浪和水流的影响。 然而，尽管它们在生态方面的重要性，红树林生态系统仍面临着由于人类活动造成的诸多威胁。砍伐、沿海开发和污染正在导致这些重要栖息地的退化。因此，气生根及其所产生的红树林树木的未来正面临风险。保护工作对于保护这些生态系统至关重要，确保红树林的独特适应性，例如气生根，在环境挑战面前继续生存。 总之，气生根不仅仅是一个迷人的植物特征；它代表了红树林生态系统的韧性和适应性。理解气生根的功能和重要性对于欣赏沿海环境中复杂的相互作用和保护它们的必要性至关重要。随着我们应对气候变化和栖息地破坏带来的挑战，认识到这种独特适应性的价值将是我们保护地球生物多样性和确保这些非凡生态系统生存的努力中的关键。