We assumed that this growth of old trees is pristine rain forest because the only way we know how to manage a forest is to clear the trees, and these weren't clear-cut.
我们之所以认为这片老树是原始雨林，是因为我们自己所知道的唯一的管理树木的方式就是把树砍掉，而这里没有明显的砍伐痕迹。
In the space of 30 years the old-growth chestnut forest in North America lost every specimen of a species — the mighty chestnut — that formerly constituted a significant hunk of the forest's mass.
在30年的生长中，北美的板栗林失去了物种——高大的栗树——的每个标本，这是以前板栗林中非常重要的一块。
This magnificent rain forest in Peru's Madre DE Dios region holds some of the last old-growth stands of mahogany in South America.
这个位于秘鲁马德雷德迪奥斯的壮美的热带雨林拥有南美洲几种最新出现的红木品种。
Narrow apertures in the otherwise solid dark wooden wall sharply focus the vibrant cropped views of the old growth fir trees at the edge of the deep forest.
透过结实的黑木墙的狭窄缝隙可以看到远处森林边古老的枞树。
Some long-range projects might be the preservation of an old-growth forest, the reforestation of mining tracts, or planting new forest areas to forestall soil erosion.
一些长期项目将会是旧林地的维持，矿产区域的重新造林或是种植新的森林地区，以防止土壤被侵蚀。
Talk about an old-growth forest.
谈谈古老的森林。
Talk about an old-growth forest.
谈谈古老的森林。
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