The Scottish Highlands were once the site of extensive forests, but these forests have mostly disappeared and been replaced by peat bogs.

苏格兰高地曾经是大片森林的所在地，但这些森林大部分已经消失，取而代之的是泥炭沼泽。

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Apart from water, peat bogs are largely composed of huge volumes of saturated, undecayed plants.

除了水以外，泥碳沼泽绝大部分是由大量饱含水分却不会腐烂的植物组成。

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But green groups say that hardly helps, since peat bogs have varying depths, and draining a shallow part will erode the rest.

但是环保团体说，这基本没什么用，泥炭沼泽深度不一，排干浅层将破坏其它部分。

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Also starring are Ron Perlman (inevitably), Idris Elba (wisely) and Burn Gorman, continuing his vertiginous ascent from the peat bogs of Torchwood.

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Across quaking peat bogs and through clouds of black, biting flies, we hiked three miles into the backcountry of Newfoundland's austere northern peninsula.

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It includes peat bogs and raised bogs, alluvial and riverine forests, as well as complete cave systems, such as the Schrattenfluh and the Napf area.

UNESCO: Natural Sciences