At the foot of the Himalayas in the Indian state of Uttaranchal, forests of regal, old oak form a natural watershed for two major rivers that feed the plain below.

在位于喜马拉雅山脚下的印度uttaranchal邦，壮观、古老的橡树林为流入低处平原的两条大河形成了一道自然的分水岭。

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The Black Mountains in central Bhutan form a watershed between two major river systems, the Mo Chhu and the Drangme Chhu.

不丹中部的黑山成为两大河系Mo Chhu和Drangme Chhu的分水岭。

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The results showed that the evapotranspiration was the main form of water output in the upper reaches of Raoyang River Watershed.

结果表明，绕阳河上游流域水量平衡中蒸散是水分输出的主要形式。

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So the watershed improvement comes in the form of retaining ponds that help farmers high in the hills harvest water.

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But many are also too small to cope with tasks like disease control or watershed management, or to sustain any oversight in the form of local media or pressure groups.

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