The birds are hard to observe, as they live in a region of mountainous forest, so the researchers have attached tiny cameras to the tails of some birds, as one method of investigating their behaviour.

这些鸟很难观察，因为它们生活在山区森林里，所以研究人员在一些鸟的尾巴上安装了微型摄像机，以此作为一种研究它们行为的方法。

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They ran a railroad into the forest region.

他们修筑铁路使之通入林区。

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There are no explicit regulations about sublet division and sublot survey in collective forest region of China.

我国目前对集体林区的小班划分、小班调查还没有明确的规程，亟待研讨。

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One picture from that Greenpeace link in particular says it all: a region of tropical Sumatran forest cleared with as much wide-scale devastation as if a tsunami had taken out every last tree.

FORBES: Japan's Unknown Ecological Tragedy

This is the latest in a number of clashes over land - last month environmental activist Chut Wutty was killed in a threatened forest region.

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The scientists found that thanks to current levels of deforestation in the region, rainfall is 6-7 percent lower than it would be with full forest cover.

BBC: Rainforest plays critical role in hydropower generation