timberline

简明释义

英[ˈtɪmbəlaɪn]美[ˈtɪmbərˌlaɪn]

n. 树带界线

英英释义

单词用法

同义词

反义词

例句

1.At the upper timberline the trees begin to become twisted and deformed.

在树带界线的上限区域，树木开始弯曲变形。

2.There are some areas, however, where broadleaf deciduous trees form the timberline.

然而，在一些地区，阔叶落叶树木形成了林木线。

3.In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.

在许多半干旱的地区中，同样存在树带界限的下限区域；在这片区域之内，由于缺乏水分，森林下沿区域的植被通常会逐渐变成干草原或沙漠。

4.There is still no universally agreed-on explanation fir why there should be such a dramatic cessation of tree growth at the upper timberline.

目前还没有一个普遍认同的解释来说明为什么会在树带界线上出现树木停止生长这种戏剧化的现象。

5.The upper timberline, like the snow line, is highest in the tropic and lowest in the polar regions.

上行树带界线，比如雪线，在热带最高在极地最低。

6.This paper briefly outlined the advance of dendroecology research in terms of forest disturbance, population dynamics, forest structure, forest regeneration patterns and alpine timberline.

文中简要概述了树轮分析在森林干扰、群落动态、森林结构、林分更新方式以及高山林线研究方面的进展。

7.There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.

对于为什么树线以上的树木会突然停止生长，至今还没有一个公认的解释。

8.You got it good in Timberline, right?

你觉得林边小镇很好，对吧？

9.This rapid zone of transition is called the upper timberline or tree line.

这种快速的过渡地带被称为“上树带线”或“林木线”。

10.This paper briefly outlined the advance of dendroecology research in terms of forest disturbance, population dynamics, forest structure, forest regeneration patterns and alpine timberline.

文中简要概述了树轮分析在森林干扰、群落动态、森林结构、林分更新方式以及高山林线研究方面的进展。

11.Wildflowers bloom beautifully just below the timberline in the summer.

夏天，野花在树线下方绚丽绽放。

12.The timberline varies depending on latitude and local climate conditions.

由于纬度和当地气候条件的不同，树线也有所变化。

13.Scientists study the effects of climate change on the movement of the timberline upwards.

科学家们研究气候变化对树线上升的影响。

14.Above the timberline, the landscape is dominated by rocky outcrops and alpine meadows.

在树线之上，景观以岩石裸露和高山草甸为主。

15.The hikers reached the timberline where trees can no longer grow due to the harsh climate.

登山者到达了树线，在这里由于恶劣的气候，树木无法再生长。

作文

The concept of timberline refers to the elevation above which trees are unable to grow due to harsh environmental conditions. This natural phenomenon occurs in mountainous regions where the climate becomes too cold or the soil too poor to support tree growth. The timberline is not a fixed line; it varies depending on geographical location, latitude, and local climate conditions. For instance, in tropical regions, the timberline is found at higher altitudes compared to polar areas, where it is much lower. Understanding the timberline is crucial for ecologists and environmental scientists because it indicates the limits of forest ecosystems and helps in studying climate change effects.In many mountain ranges around the world, the timberline serves as a clear boundary between lush green forests and barren alpine regions. Above this line, one can find a unique ecosystem characterized by hardy plants like shrubs, grasses, and mosses that have adapted to survive in extreme conditions. These adaptations include shorter growth forms, thicker leaves, and deeper root systems. The study of these organisms provides insights into how life can thrive in seemingly inhospitable environments.The timberline also plays a significant role in local culture and economy. In many indigenous communities, the areas below the timberline are rich in resources such as timber and game, which are essential for their livelihoods. Conversely, the regions above the timberline are often viewed as sacred spaces, where traditional practices and beliefs are closely tied to the land. As such, the timberline serves not only as a physical barrier but also as a cultural and spiritual one.Moreover, the timberline is an important indicator of climate change. As global temperatures rise, scientists have observed a shift in the timberline upward in elevation. This movement can lead to the loss of biodiversity as certain species may not be able to migrate to higher altitudes quickly enough. Additionally, the changing timberline can affect water runoff patterns, soil erosion, and overall ecosystem health. Therefore, monitoring the timberline is vital for understanding the broader impacts of climate change on our planet.In conclusion, the timberline is more than just a geographical term; it encapsulates various ecological, cultural, and climatic aspects of mountainous regions. Its significance extends beyond the scientific community, impacting local economies and cultures. As we face the challenges of climate change, recognizing the importance of the timberline will be essential for conservation efforts and sustainable management of natural resources. By studying this boundary, we gain valuable knowledge about the resilience of nature and the intricate connections between climate, ecology, and human life.

“timberline”这个概念指的是树木因恶劣环境条件而无法生长的海拔高度。这种自然现象发生在山区，那里气候过于寒冷或土壤过于贫瘠，无法支持树木生长。“timberline”并不是一条固定的界线；它会根据地理位置、纬度和当地气候条件而变化。例如，在热带地区，“timberline”位于较高的海拔，而在极地地区，则要低得多。理解“timberline”对生态学家和环境科学家至关重要，因为它表明森林生态系统的界限，并有助于研究气候变化的影响。在世界许多山脉中，“timberline”作为郁郁葱葱的森林与光秃秃的高山区域之间的明显界限。在线之上，可以找到一个独特的生态系统，其特征是坚韧的植物，如灌木、草和苔藓，它们已适应在极端条件下生存。这些适应包括较短的生长形式、更厚的叶子和更深的根系。对这些生物的研究提供了关于生命如何在看似不适宜的环境中繁荣的见解。“timberline”在当地文化和经济中也扮演着重要角色。在许多土著社区中，“timberline”以下的地区富含木材和猎物，这对他们的生计至关重要。相反，“timberline”以上的地区通常被视为神圣的空间，传统实践和信仰与土地密切相关。因此，“timberline”不仅是一个物理障碍，也是一个文化和精神障碍。此外，“timberline”还是气候变化的重要指标。随着全球气温的上升，科学家观察到“timberline”向上移动。这种移动可能导致生物多样性的丧失，因为某些物种可能无法快速迁移到更高的海拔。此外，变化的“timberline”可能影响水流模式、土壤侵蚀和整体生态系统健康。因此，监测“timberline”对于理解气候变化对我们星球的更广泛影响至关重要。总之，“timberline”不仅仅是一个地理术语；它包含了山区的各种生态、文化和气候方面。它的重要性超出了科学界，影响着地方经济和文化。面对气候变化的挑战，认识到“timberline”的重要性对于保护工作和自然资源的可持续管理至关重要。通过研究这一界限，我们获得了关于自然韧性以及气候、生态和人类生活之间复杂联系的宝贵知识。