xerophytes

简明释义

英[ˈzɪərəˌfaɪts]美[ˈzerəfaɪts]

n. [生态] 旱生植物

英英释义

单词用法

同义词

反义词

例句

1.Compared to supratidal zones, intertidal zones had a higher ratio of halophytes and hygrophytes, but a lower ratio of neutral plants, glycophytes, mesophytes, and xerophytes.

与潮上带相比，潮间带的盐生植物与湿生植物比例较高，而中性植物、甜土植物、中生植物与旱生植物的比例较低。

2.Compared to supratidal zones, intertidal zones had a higher ratio of halophytes and hygrophytes, but a lower ratio of neutral plants, glycophytes, mesophytes, and xerophytes.

与潮上带相比，潮间带的盐生植物与湿生植物比例较高，而中性植物、甜土植物、中生植物与旱生植物的比例较低。

3.The population of Sabina vulgaris are mainly typical mesophyte, secondly the xerophytes, super- xerophytes; the proportion of Phreatophyte is very small.

臭柏种群的植物类型以典型中生植物为主、其次为典型旱生植物，超旱生植物、湿中生植物的比例很小。

4.That all indicate that Leptodermis ordosica has the structures traits of xerophytes that is the coadaptation of thirsty environment.

结果表明内蒙野丁香具明显的旱化结构特征，是对荒漠区山地干旱环境条件的协同适应。

5.The plants of Sinopteris are evergreen small xerophytes.

该属植物为常绿旱生小型植物。

6.Most desert plants are probably best classified as xerophytes.

大部分的沙漠植物可能最好都被归类为旱生植物。

7.In arid regions, xerophytes 耐旱植物 like cacti and succulents thrive due to their ability to store water.

在干旱地区，xerophytes 耐旱植物如仙人掌和多肉植物因其储水能力而繁茂生长。

8.Farmers often choose xerophytes 耐旱植物 for landscaping in desert areas to reduce water consumption.

农民在沙漠地区的园艺中经常选择xerophytes 耐旱植物以减少水的消耗。

9.The study of xerophytes 耐旱植物 helps scientists understand how plants adapt to extreme environments.

对xerophytes 耐旱植物的研究帮助科学家了解植物如何适应极端环境。

10.Many xerophytes 耐旱植物 have specialized leaves that minimize water loss.

许多xerophytes 耐旱植物具有特殊的叶子，以最小化水分流失。

11.The xerophytes 耐旱植物 in this botanical garden are a testament to the diversity of desert flora.

这个植物园中的xerophytes 耐旱植物证明了沙漠植物群的多样性。

作文

In the vast landscapes of our planet, diverse ecosystems thrive under various climatic conditions. Among these ecosystems, deserts are often characterized by their extreme aridity and unique flora. One of the most fascinating groups of plants that have adapted to such harsh environments is known as xerophytes. These remarkable organisms possess specialized adaptations that enable them to survive in conditions where water is scarce, making them a subject of great interest for botanists and ecologists alike. Xerophytes (干旱植物) are plants that have evolved to withstand prolonged periods of drought. They exhibit a range of adaptations that allow them to minimize water loss and maximize water storage. For instance, many xerophytes have thick, waxy cuticles on their leaves, which reduce transpiration—the process by which water evaporates from plant surfaces. Additionally, some xerophytes have modified leaves that take the form of spines or scales, further decreasing surface area and thus water loss. Another fascinating adaptation of xerophytes is their ability to store water in various parts of their structure. Succulents, a well-known subgroup of xerophytes, store water in their fleshy leaves or stems, allowing them to endure long dry spells. The iconic cactus, for example, is a quintessential xerophyte that exemplifies these adaptations. Its thick stem acts as a reservoir, while its spines protect it from herbivores and reduce water loss. Furthermore, xerophytes have developed unique strategies for photosynthesis, enabling them to thrive in their arid environments. Many xerophytes utilize a process called Crassulacean Acid Metabolism (CAM), which allows them to open their stomata at night instead of during the hot daytime hours. This adaptation minimizes water loss while still allowing the plant to take in carbon dioxide necessary for photosynthesis. The ecological role of xerophytes extends beyond their survival strategies; they play a crucial part in their ecosystems. By stabilizing soil, preventing erosion, and providing habitat and food for various organisms, xerophytes contribute to the overall health of desert ecosystems. Their presence ensures that life can flourish even in the most challenging conditions. Despite their resilience, xerophytes face significant threats due to climate change and human activities. As global temperatures rise and rainfall patterns shift, the delicate balance of desert ecosystems is disrupted. Overgrazing, urbanization, and the introduction of invasive species further threaten the survival of these extraordinary plants. Conservation efforts are vital to protect xerophytes and their habitats, ensuring that future generations can appreciate their beauty and ecological importance. In conclusion, xerophytes are a testament to the incredible adaptability of life on Earth. Their unique adaptations to arid environments not only allow them to survive but also enable them to thrive in conditions that would be inhospitable to most other plants. Understanding and protecting these remarkable organisms is essential for maintaining the biodiversity and ecological integrity of desert ecosystems. As we continue to study xerophytes, we gain valuable insights into the resilience of nature and the importance of conservation in an ever-changing world.

在我们星球的广袤景观中，各种生态系统在不同的气候条件下蓬勃发展。在这些生态系统中，沙漠通常以其极端的干旱和独特的植物群落而著称。其中一种适应如此恶劣环境的植物群体被称为xerophytes（干旱植物）。这些非凡的生物拥有特殊的适应性，使它们能够在水资源稀缺的条件下生存，这使得它们成为植物学家和生态学家极为关注的对象。 Xerophytes（干旱植物）是指那些能够忍受长时间干旱的植物。它们展现出一系列适应性，使它们能够最小化水分流失并最大化水分储存。例如，许多xerophytes具有厚厚的蜡质表皮，能够减少蒸腾作用——即水分从植物表面蒸发的过程。此外，一些xerophytes的叶子被改造成刺或鳞片，进一步减少表面积，从而减少水分流失。 Xerophytes（干旱植物）的另一个迷人适应性是它们能够在结构的不同部分储存水分。众所周知的多肉植物是xerophytes（干旱植物）的一个亚群，它们在肥厚的叶子或茎中储存水分，使它们能够忍受漫长的干旱期。标志性的仙人掌就是一个典型的xerophyte（干旱植物），体现了这些适应性。它厚实的茎充当水库，而它的刺则保护它免受食草动物的侵害，并减少水分流失。 此外，xerophytes（干旱植物）还开发了独特的光合作用策略，使它们能够在干旱环境中茁壮成长。许多xerophytes（干旱植物）利用一种称为“景天酸代谢”（CAM）的过程，使它们能够在夜间而不是炎热的白天打开气孔。这种适应性在最小化水分流失的同时，仍然允许植物吸收进行光合作用所需的二氧化碳。 Xerophytes（干旱植物）的生态角色不仅限于它们的生存策略；它们在生态系统中扮演着至关重要的角色。通过稳定土壤、预防侵蚀，并为各种生物提供栖息地和食物，xerophytes（干旱植物）对沙漠生态系统的整体健康做出了贡献。它们的存在确保了即使在最具挑战性的条件下，生命也能蓬勃发展。 尽管它们具有韧性，但xerophytes（干旱植物）仍面临气候变化和人类活动带来的重大威胁。随着全球气温上升和降雨模式的变化，沙漠生态系统的微妙平衡受到破坏。过度放牧、城市化以及外来物种的引入进一步威胁到这些非凡植物的生存。保护措施对于保护xerophytes（干旱植物）及其栖息地至关重要，以确保未来几代人能够欣赏它们的美丽和生态重要性。 总之，xerophytes（干旱植物）是地球上生命惊人适应能力的证明。它们对干旱环境的独特适应性不仅使它们能够生存，还使它们能够在对大多数其他植物来说不适宜的条件下繁荣发展。理解和保护这些非凡生物对于维护沙漠生态系统的生物多样性和生态完整性至关重要。随着我们继续研究xerophytes（干旱植物），我们获得了关于自然韧性和在不断变化的世界中保护的重要性的宝贵见解。