treeline

noun

1. 林木线（山上等树木生长的上限）
   a level of land, for example on a mountain, above which trees will not grow

1. As the sun dipped below the treeline, I came across an imposing chestnut with a hollow at its base big enough for me to crawl inside to hide and wait, to listen for the seekers.
   阳光在沿途的树木间洒落，我看到一株巨大的栗树，它的底部有个大洞，我爬进去藏在里面，等着听搜寻人员的呼唤。
2. Stem radius growth features of Picea meyeri and its relationship with environmental factors at the treeline of Luya Mountain
   芦芽山林线组成树种白杄径向生长特征及其与环境因子的关系
3. Above the treeline take a grassy path leading steeply towards the summit.
   过了林木线之后沿着长满青草的小道直通陡峭的顶。
4. Alpine Describing a BIOME ( regional community) of plants above the treeline and below the snowline on high mountains.
   高山的：描述在高山雪线以下的植物生物群系。
5. The State of Knowledge on Alpine treeline and Suggestions for Future Research
   全球高山林线研究现状与发展方向
6. Net primary productivities of larch mixed forest and birch forest decreased sharply at treeline in comparison with lower altitudinal stands, whilst the ratio of root production was much higher than that of lower altitude. This made it profitable to take water and nutrients in soil.
   树线地带落叶松混交林和岳桦林的净生产量也出现急剧降低，但根系生产量比例则较低海拔同类林分高，有利于对土壤中水分和养分的吸收。
7. Tree-growth in alpine treeline held a high-temperature and arid period, which was general period during 1920-1930's in northwestern China, and the authors also found that it was the coldest and longest period during 1861-1878 in last 200 years.
   西北干旱区中普遍存在的20世纪2030年代高温干旱期在这里也很显著，同时该研究也发现18611878年是近200年来的7月气温最低和最长的时段。