timber line

美 [ˈtɪmbər laɪn]英 [ˈtɪmbə(r) laɪn]

timber line

noun

line marking the upper limit of tree growth in mountains or northern latitudes: Synonym: timberline tree line

数据来源：WordNet

1

( biology ) living or growing above the timber line .

（生物学）生活或者生长在林线以上。
2

The paucity of the avifauna of the Eurasian highlands ( only 75 species breed regularly above the timber line ) is determined by severe natural conditions and scarcity of food sources .

欧亚地区高地鸟类区系的贫乏性（仅有75种繁殖于林线之上）受严酷的自然条件和食物资源短缺所决定。
3

The view of the high Sierra Lake , nestled in the snow and rock slightly below the timber line , was beautiful from my vantagepoint some five hundred feet above its shimmering surface .

坐落在高山上的谢拉湖，依偎在积雪与岩石的怀抱中，岩层往上是一片森林。从高出湖面约500英尺的观景点看下去，湖面微波荡漾，美不胜收。
4

After the cutting license has been obtained according to the law , the competent forestry authorities shall issue transport documentation to the timber cut in line with the provisions of the license when it is transported out of the forest districts .

依法取得采伐许可证后，按照许可证的规定采伐的木材，从林区运出时，林业主管部门应当发给运输证件。