ectomycorrhizas

简明释义

英[ˌɛktəʊmaɪˈkɒrɪzəz]美[ˌɛktoʊmaɪˈkɑrɪzəz]

[土壤] 外生菌根

英英释义

单词用法

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例句

1.In vitro ectomycorrhizas formation between C. argyrophylla - C. geophilum and between A. chensiensis - C. geophilum were induced by using the modified plate dish method.

运用改良平板法技术，分别建立了银杉-土生空团菌以及秦岭冷杉-士生空团菌的人工菌根诱导体系；

2.In vitro ectomycorrhizas formation between C. argyrophylla - C. geophilum and between A. chensiensis - C. geophilum were induced by using the modified plate dish method.

运用改良平板法技术，分别建立了银杉-土生空团菌以及秦岭冷杉-士生空团菌的人工菌根诱导体系；

3.The roots of many trees form symbiotic relationships with ectomycorrhizas, which help them absorb nutrients more efficiently.

许多树木的根部与外生菌根形成共生关系，帮助它们更有效地吸收养分。

4.Research shows that ectomycorrhizas can significantly enhance soil structure and fertility.

研究表明，外生菌根可以显著改善土壤结构和肥力。

5.In forest ecosystems, ectomycorrhizas play a crucial role in nutrient cycling.

在森林生态系统中，外生菌根在养分循环中起着至关重要的作用。

6.The presence of ectomycorrhizas in the soil indicates a healthy and diverse ecosystem.

土壤中存在外生菌根表明生态系统健康且多样性丰富。

7.Certain species of fungi are known to form ectomycorrhizas with oak trees, promoting their growth.

某些真菌种类已知与橡树形成外生菌根，促进其生长。

作文

Ectomycorrhizas are a fascinating and essential component of forest ecosystems. These symbiotic associations between fungi and the roots of various tree species play a critical role in nutrient exchange and soil health. To understand the significance of ectomycorrhizas (外生菌根), we must first explore the nature of this relationship. The fungi penetrate the root cortex but do not invade the cells, forming a protective sheath around the roots. This structure enhances the plant's ability to absorb water and essential nutrients like nitrogen and phosphorus from the soil. The presence of ectomycorrhizas (外生菌根) in a forest ecosystem can significantly improve plant growth and resilience against environmental stressors. For instance, trees that form these associations often exhibit better drought resistance due to the increased efficiency in water uptake. Furthermore, the fungi involved in ectomycorrhizas (外生菌根) can also decompose organic matter, releasing nutrients back into the soil, thus fostering a healthy nutrient cycle. In addition to their role in nutrient acquisition, ectomycorrhizas (外生菌根) contribute to soil structure and stability. The mycelium of the fungi binds soil particles together, which helps prevent erosion and promotes the formation of aggregates that improve aeration and water infiltration. This is particularly important in forested areas where soil quality directly impacts the overall health of the ecosystem. Research has shown that ectomycorrhizas (外生菌根) can also enhance biodiversity within forest ecosystems. By supporting a variety of plant species, these fungal associations create a more resilient habitat for other organisms, including insects, birds, and mammals. The intricate web of life supported by ectomycorrhizas (外生菌根) illustrates the interconnectedness of organisms within an ecosystem. Despite their importance, ectomycorrhizas (外生菌根) face threats from human activities, such as deforestation, pollution, and climate change. These factors can disrupt the delicate balance of these symbiotic relationships, leading to declines in both fungi and host plants. Conservation efforts that focus on preserving forest ecosystems must consider the role of ectomycorrhizas (外生菌根) in maintaining ecological health. In conclusion, ectomycorrhizas (外生菌根) are vital for the sustainability of forest ecosystems. Their ability to enhance nutrient uptake, improve soil structure, and support biodiversity highlights their importance in ecological balance. As we continue to study and understand these complex relationships, it becomes increasingly clear that protecting ectomycorrhizas (外生菌根) is essential for the health of our forests and the planet as a whole. We must prioritize conservation strategies that recognize and preserve these important fungal associations to ensure the longevity of our natural environments.

外生菌根是森林生态系统中一个迷人且重要的组成部分。这些真菌与各种树木根系之间的共生关系在营养交换和土壤健康中发挥着关键作用。要理解ectomycorrhizas（外生菌根）的重要性，我们首先必须探讨这种关系的本质。真菌穿透根皮层，但不侵入细胞，形成包裹根部的保护鞘。这种结构增强了植物从土壤中吸收水分和氮、磷等必需营养素的能力。 ectomycorrhizas（外生菌根）在森林生态系统中的存在可以显著改善植物的生长和抵御环境压力的能力。例如，形成这些关联的树木通常表现出更好的抗旱能力，因为它们在水分吸收方面的效率更高。此外，参与ectomycorrhizas（外生菌根）的真菌还可以分解有机物，将营养释放回土壤，从而促进健康的营养循环。 除了在营养获取中的作用外，ectomycorrhizas（外生菌根）还有助于土壤结构和稳定性。真菌的菌丝将土壤颗粒结合在一起，这有助于防止侵蚀并促进聚集体的形成，从而改善通气性和水分渗透性。这在森林地区尤为重要，因为土壤质量直接影响生态系统的整体健康。 研究表明，ectomycorrhizas（外生菌根）还可以增强森林生态系统内的生物多样性。通过支持多种植物物种，这些真菌关联为其他生物（包括昆虫、鸟类和哺乳动物）创造了一个更加韧性的栖息地。由ectomycorrhizas（外生菌根）支持的复杂生命网络说明了生态系统内生物之间的相互联系。 尽管它们的重要性，ectomycorrhizas（外生菌根）面临来自人类活动的威胁，例如砍伐森林、污染和气候变化。这些因素可能会破坏这些共生关系的微妙平衡，导致真菌和宿主植物的数量下降。关注保护森林生态系统的努力必须考虑到ectomycorrhizas（外生菌根）在维持生态健康中的作用。 总之，ectomycorrhizas（外生菌根）对森林生态系统的可持续性至关重要。它们增强营养吸收、改善土壤结构和支持生物多样性的能力凸显了它们在生态平衡中的重要性。随着我们继续研究和理解这些复杂关系，越来越清楚的是，保护ectomycorrhizas（外生菌根）对于我们森林和整个星球的健康至关重要。我们必须优先考虑保护策略，以承认和保护这些重要的真菌关联，以确保我们自然环境的持久性。