stomatal

简明释义

英[ˈstəʊmətəl]美[ˈstoʊmətəl]

adj. 气孔的；有气孔的

英英释义

单词用法

同义词

反义词

例句

1.Meanwhile, the stomatal conductance was related to the net photosynthesis rate.

气孔导度与净光合速率具有相关性。

2.The net photosynthetic rate was in accord with both stomatal conductance and water potential.

净光合率的提高与气孔导度及水势的提高有一致趋势。

3.The results show that stomatal transpiration is the major form of water consumption of Sabina vulgaris.

结果表明，气孔蒸腾是臭柏水分消耗的主要形式。

4.The pattern made by the cells of a leaf’s stomatal openings can help paleobotanists to identify it.

叶子气孔细胞的这种活动方式有助于古植物学家识别它。

5.The results showed that application of manganese fertilizer lessened the stomatal and non-stomatal limitation on maize photosynthesis performance.

结果表明，施用锰肥能降低光合作用的气孔限制和非气孔限制，显著提高夏玉米光合能力。

6.We suggest that the protoplasm of guardcell involved in stomatal movement.

因而提出保卫细胞原生质在气孔蒸腾中的作用值得进一步研究。

7.High CO2 levels can lead to reduced stomatal 气孔的 conductance.

高二氧化碳水平会导致气孔的导电性降低。

8.The stomatal 气孔的 response to light is crucial for photosynthesis.

对光的气孔的反应对光合作用至关重要。

9.The plant's stomatal 气孔的 openings regulate water loss.

植物的气孔的开口调节水分流失。

10.During the dry season, stomatal 气孔的 closure helps conserve moisture.

在干旱季节，气孔的关闭有助于保持水分。

11.Researchers studied the stomatal 气孔的 density in various species.

研究人员研究了不同物种的气孔的密度。

作文

The study of plant physiology reveals the intricate mechanisms that govern the life processes of plants. One crucial aspect of this study is the role of stomatal (气孔的) function in regulating gas exchange and water loss. Stomata are tiny openings located on the surfaces of leaves, primarily on the underside, which facilitate the exchange of gases such as carbon dioxide and oxygen. These openings are surrounded by specialized cells known as guard cells, which control their opening and closing based on environmental conditions.Understanding the stomatal (气孔的) behavior is essential for grasping how plants adapt to their surroundings. For instance, during hot and dry conditions, plants tend to close their stomata to minimize water loss through transpiration. This adaptive response helps them conserve water but also limits the intake of carbon dioxide, which is necessary for photosynthesis. Conversely, when conditions are favorable, such as during cooler and more humid days, the stomata open wider to allow for greater gas exchange, thus enhancing photosynthetic efficiency.Research has shown that the density and distribution of stomatal (气孔的) openings can vary significantly among different plant species. For example, plants that thrive in arid environments often possess fewer stomata compared to those in moist habitats. This variation is a fascinating adaptation that enables plants to optimize their water use while maintaining their metabolic functions. Scientists have also discovered that the size and responsiveness of stomatal (气孔的) pores can be influenced by genetic factors, making it a critical area of study in plant breeding and agricultural practices.Moreover, the impact of climate change on stomatal (气孔的) dynamics cannot be overlooked. As global temperatures rise and precipitation patterns shift, the ability of plants to regulate their stomatal function becomes increasingly vital. Research indicates that elevated carbon dioxide levels may lead to changes in stomatal (气孔的) density, potentially affecting plant growth and ecosystem balance. Understanding these changes is crucial for predicting how various plant species will respond to ongoing environmental changes and for developing strategies to enhance crop resilience.In addition to their physiological roles, stomatal (气孔的) responses are also linked to broader ecological interactions. For instance, the opening and closing of stomata can influence not only the plant's health but also the surrounding microclimate. By regulating moisture release into the atmosphere, stomatal (气孔的) activity can affect local humidity levels and even contribute to weather patterns. This interconnectedness highlights the importance of studying stomatal (气孔的) functions in the context of ecosystems and climate science.In conclusion, the significance of stomatal (气孔的) function in plant physiology extends far beyond mere gas exchange. It encompasses a range of adaptive strategies that plants employ to survive in varying environmental conditions. As we continue to confront the challenges posed by climate change and habitat loss, understanding the complexities of stomatal (气孔的) behavior will be essential for conserving biodiversity and ensuring food security. Future research in this field promises to unveil further insights into the remarkable world of plants and their intricate relationships with the environment.

植物生理学的研究揭示了支配植物生命过程的复杂机制。其中一个关键方面是stomatal（气孔的）功能在调节气体交换和水分流失中的作用。气孔是位于叶子表面上的微小开口，主要在叶子的背面，它们促进二氧化碳和氧气等气体的交换。这些开口被称为保卫细胞的特殊细胞包围，这些细胞根据环境条件控制气孔的开闭。理解stomatal（气孔的）行为对于掌握植物如何适应其环境至关重要。例如，在炎热和干燥的条件下，植物往往会关闭其气孔，以最小化通过蒸腾作用的水分流失。这种适应性反应帮助它们节约水分，但也限制了二氧化碳的摄入，而二氧化碳是光合作用所必需的。相反，当条件有利时，例如在较凉爽和潮湿的日子，气孔会更大地打开，以允许更大的气体交换，从而增强光合效率。研究表明，不同植物物种的stomatal（气孔的）开口的密度和分布可以显著变化。例如，适应干旱环境的植物通常比生活在潮湿栖息地的植物拥有更少的气孔。这种变化是一种迷人的适应，使植物能够优化水的使用，同时维持其代谢功能。科学家们还发现，stomatal（气孔的）孔的大小和响应能力可能受到遗传因素的影响，这使其成为植物育种和农业实践中的关键研究领域。此外，气候变化对stomatal（气孔的）动态的影响不容忽视。随着全球气温上升和降水模式的变化，植物调节其气孔功能的能力变得越来越重要。研究表明，二氧化碳浓度的升高可能导致stomatal（气孔的）密度的变化，潜在地影响植物生长和生态系统平衡。理解这些变化对于预测各种植物物种将如何应对持续的环境变化以及制定增强作物抗逆性的策略至关重要。除了生理作用外，stomatal（气孔的）反应还与更广泛的生态相互作用相关。例如，气孔的开闭不仅会影响植物的健康，还会影响周围的小气候。通过调节水分释放到大气中，stomatal（气孔的）活动可以影响局部湿度水平，甚至影响天气模式。这种相互联系突显了在生态系统和气候科学背景下研究stomatal（气孔的）功能的重要性。总之，stomatal（气孔的）功能在植物生理学中的重要性远不止于气体交换。它涵盖了植物在不同环境条件下生存所采用的一系列适应策略。随着我们继续面对气候变化和栖息地丧失带来的挑战，理解stomatal（气孔的）行为的复杂性对于保护生物多样性和确保粮食安全至关重要。未来在这一领域的研究有望揭示更多关于植物奇妙世界及其与环境之间复杂关系的洞察。