To investigate this effect, Clements and his team placed screens over small segments of a dozen mountain streams to block ultraviolet light, and left them there for 60 days.

为了调查由此产生的影响，克莱门茨和其研究小组选取了十几条山间溪流，将遮盖板放置在溪流的某一段以阻挡紫外线对溪床的照射。

youdao

Under the effect of regional tectonics there develop many raws drape anticline and active fault in the front of mountain and they have especial motion fashion.

由于受区域构造长期作用的影响，在北天山山前地区逐步发育形成了多排褶皱背斜及活动断裂，且运动方式具有独特性。

youdao

All of the differences were results of vegetational and climatic differences determined by the topography of the Ailao Mountain and the effect of the southwest monsoon.

所有这些差别与哀牢山地理位置，西南季风影响所形成的东西坡植被和气候等环境因素有关。

youdao

This will have a bad effect on the mountain's ecosystems and on Tanzania's travel industry.

VOA: special.2009.04.22

The most important members of the team, then, may not be the entrepreneurs and venture capitalists who put up the drive and the money, nor the engineers who build the hardware that makes it all possible, but the economists who try to work out the effect on the price of platinum when a mountain of the stuff arrives from outer space.

ECONOMIST: Mining asteroids: Going platinum | The

The collective effect may be to alter the ability of these ecosystems to provide critical goods and services to both mountain and lowland people.

UNESCO: Ecological Sciences and Research