从森林到山坡上没有树木的苔原的过渡通常会十分突然和明显。

The transition from forest to treeless tundra on a mountain slope is often a dramatic one.

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但是，所有这些古老的森林，虽然从山坡上可以看见，但是却已经超越这片产业的边界了。

All this sylvan antiquity, however, though visible from the Slopes, was outside the immediate boundaries of the estate.

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因为森林大火或者人类改造活动而造成当地山坡上植被遭到严重破坏的地区在遭遇大雨或大雨后最容易发生山体滑坡。

Areas where wildfires or human modification of the land have destroyed vegetation on slopes are particularly vulnerable to landslides during and after heavy rains.

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