overstory

简明释义

英[ˈəʊvəˌstɔːri]美[ˈovərˌstɔri;ˈovərˌstori]

n. 上层林冠；上层

复 数 o v e r s t o r i e s

英英释义

单词用法

同义词

反义词

例句

1.Reproduce naturally in the open rather than under an overstory.

宁在空旷地而不是树冠下自然繁殖。

2.Reproduce naturally in the open rather than under an overstory.

宁在空旷地而不是树冠下自然繁殖。

3.The forest's overstory provides shelter for many bird species.

森林的上层林冠为许多鸟类提供了庇护。

4.In ecology, the overstory is crucial for understanding forest dynamics.

在生态学中，上层林冠对理解森林动态至关重要。

5.Many animals depend on the overstory for food and nesting sites.

许多动物依赖于上层林冠来获取食物和筑巢地点。

6.The overstory of this rainforest is home to countless species of insects.

这个雨林的上层林冠是无数昆虫物种的栖息地。

7.The sunlight filters through the overstory to reach the understory plants.

阳光透过上层林冠照射到下层植物。

作文

In the world of ecology, the term overstory refers to the upper layer of a forest, where the tallest trees grow. This layer plays a crucial role in the overall health of the ecosystem. The overstory consists of mature trees that can reach heights of over 100 feet, creating a canopy that provides shade and shelter for the plants and animals living below. Understanding the importance of the overstory is essential for conservation efforts and forest management practices. The overstory serves many functions within a forest. Firstly, it helps regulate the microclimate of the area. By blocking direct sunlight, the overstory keeps the understory and forest floor cooler and more humid, which is beneficial for many species of plants and animals that thrive in these conditions. Additionally, the overstory intercepts rainfall, allowing water to drip down gradually to the lower layers of the forest. This process is vital for maintaining the moisture levels necessary for the survival of various organisms. Another significant aspect of the overstory is its role in supporting biodiversity. The tall trees that make up this layer provide habitat and food for numerous species, including birds, insects, and mammals. For example, many bird species nest in the branches of the overstory, while others rely on the fruits and seeds produced by these trees for nourishment. The presence of a healthy overstory encourages a diverse range of life forms, which contributes to the stability and resilience of the entire ecosystem. However, the overstory is not immune to threats. Deforestation, climate change, and invasive species pose significant risks to the health of this vital layer. When trees are cut down or damaged, the entire forest ecosystem suffers. The loss of the overstory can lead to increased soil erosion, reduced habitat for wildlife, and a decline in plant diversity. Therefore, it is crucial to implement sustainable forestry practices that protect the overstory and promote reforestation efforts. Moreover, understanding the dynamics of the overstory can inform restoration projects aimed at rehabilitating degraded forests. By focusing on the growth and health of the overstory, conservationists can create strategies that support the recovery of the entire forest ecosystem. This approach not only benefits the flora and fauna that depend on the overstory, but it also enhances the overall beauty and functionality of the landscape. In conclusion, the overstory is a fundamental component of forest ecosystems that warrants our attention and protection. Its ability to regulate climate, support biodiversity, and maintain ecological balance highlights its significance in nature. As stewards of the environment, we must prioritize the preservation of the overstory to ensure the health and sustainability of our forests for future generations. By doing so, we can foster a deeper appreciation for the intricate web of life that exists within these magnificent ecosystems, reminding us of the interconnectedness of all living things.

在生态学的世界中，术语overstory指的是森林的上层，在这里生长着最高的树木。这一层在整个生态系统的健康中起着至关重要的作用。overstory由成熟的树木组成，这些树木的高度可以超过100英尺，形成一个提供阴影和庇护的树冠，为生活在下面的植物和动物提供栖息地。理解overstory的重要性对保护工作和森林管理实践至关重要。overstory在森林中发挥着许多功能。首先，它有助于调节该地区的小气候。通过阻挡直射阳光，overstory使下层和森林地面保持更凉爽和潮湿，这对许多在这些条件下繁茁生长的植物和动物物种是有利的。此外，overstory拦截降雨，使水分逐渐滴落到森林的下层。这一过程对于维持各种生物体生存所需的水分水平至关重要。overstory的另一个重要方面是其支持生物多样性的角色。构成这一层的高大树木为众多物种提供栖息地和食物，包括鸟类、昆虫和哺乳动物。例如，许多鸟类在overstory的树枝上筑巢，而其他鸟类则依靠这些树木生产的果实和种子来获取营养。健康的overstory的存在鼓励了多种生命形式的存在，这有助于整个生态系统的稳定性和韧性。然而，overstory并非没有威胁。森林砍伐、气候变化和入侵物种对这一重要层的健康构成重大风险。当树木被砍伐或损坏时，整个森林生态系统都会受到影响。overstory的丧失可能导致土壤侵蚀加剧、野生动物栖息地减少以及植物多样性的下降。因此，实施可持续的林业实践以保护overstory并促进重新造林工作至关重要。此外，理解overstory的动态可以为旨在恢复退化森林的修复项目提供信息。通过关注overstory的生长和健康，保护主义者可以制定支持整个森林生态系统恢复的策略。这种方法不仅有利于依赖于overstory的植物和动物，还增强了景观的整体美感和功能性。总之，overstory是森林生态系统的基本组成部分，值得我们关注和保护。它调节气候、支持生物多样性和维持生态平衡的能力突显了其在自然界中的重要性。作为环境的管理者，我们必须优先保护overstory，以确保我们的森林在未来几代人的健康和可持续性。通过这样做，我们可以培养对这些宏伟生态系统中存在的复杂生命网络的更深层次的欣赏，提醒我们所有生物之间的相互联系。