The scientists, led by Ulf Buntgen of the Swiss Federal Research Institute for Forest, Snow and Landscape, studied tree samples from Germany, France, Italy and Austria.

瑞士国家森林、雪和景观研究所的乌尔夫邦特，他带领的科学团队研究了德国、法国、意大利和奥地利的树木样本。

youdao

To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.

为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。

youdao

He loves greenery, so send him a tree or plant for his office, a new set of gardening tools, or give him a custom landscape consultation for his yard.

他喜欢绿色，所以给他一树或为他的办公室，一组新的园艺工具，或给他一个为他的院子里协商定制景观植物。

youdao

The painting shows melting clocks,insects, and a dead tree in an empty landscape.

VOA: special.2010.03.24

D-shaped holes in the bark or new tree shoots emerging at the root zone of your ash trees may be a sign of infestation by the Emerald Ash Borer, an insect native to the Far East that targets ash trees, says Dave Dailey of Birchcrest Tree and Landscape, in Rochester, N.

WSJ: Getting to the Roots of Your Trees' Stress

In "An Autumn Grove" he depicts a tree pushing up from a rocky landscape, its branches semibare.

WSJ: Paths Easy and Daunting | Ming Masterpieces | Artful Recluse | Lacma | Asia Society | By Lee Lawrence

After a short flight from Kathmandu to the mountain hamlet of Lukla, it took me 12 days to reach Base Camp, trekking 160km and climbing 10, 000 feet, hiking through dense forest, over a dozen suspension bridges, above the tree line and, finally, into a frozen landscape of ancient rock and glacial ice.

BBC: Everest's growing problem