1. 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。
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2. The turnover rates of species were gradually hoisting from the centre of timberline to sub alpine meadow and forest zones, and highest at the edge of timberline.
从林线中心向亚高山草甸和森林带，物种替代率逐渐升高，在林线的边缘达到最高。
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3. On the basis of field investigations, the timberline range of Beitai, the Xiaowutai Mountains was carved up, and the changes in the makeup and diversity of plants with the altitude were discussed.
4. 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.
在很多半干旱地带也有下层的树带界限，在这种环境中，由于缺乏水分，森林下缘逐渐变成干草原或者是沙漠。
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5. You got it good in Timberline, right?
你觉得林边小镇很好，对吧？
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6. At the upper timberline the trees begin to become twisted and deformed.
在上面的树带界线那树开始变成反常的和不成形的。
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7. This rapid zone of transition is called the upper timberline or tree line.
这种急速转变的区域被称为上行树带界线或林木线。
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8. 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。
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9. 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。
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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.
