The transition from forest to treeless tundra on a mountain slope is often a dramatic one.
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 changes are manifested in belts from forest, bush, meadow and steppe to desert.
森林、灌丛、草甸、草原到荒漠呈带状更迭。
Natural aerosols are produced by sea salt, desert dust, volcanic eruptions and smoke from forest fires.
天然的浮质是由海盐、沙漠灰尘、火山爆发物与森林火情的烟雾产生的；
The main increase of cultivated land was from forest land and non-use land, the rates were 28.13% and 27.50%.
耕地增加的主要来源是林地转变以及未利用土地的开垦，二者分别占到28.13%和27.50%。
Chemical industry of forest products supplies the market with chemically processed commodities from forest resources.
林产化学工业是以森林资源为原料经化学加工向市场提供商品产业。
The priority in forest history studies was shifted from forest history in the temperate zone to forest history in tropical zone.
就国际森林史研究来看，经历了一个从重点研究温带森林史向热带森林史转变的过程。
Moscow is covered in smog from forest and peat fires in areas surrounding the capital. Some residents are complaining about breathing problems.
莫斯科周边频繁的森林和泥炭火灾使该市处于烟雾笼罩之中，部分市民开始感到呼吸不畅。
The response surface methodology used for the optimization of ultrasonic-assisted extraction conditions of PLFAs from forest soil was simple and reliable.
表明响应面法超声辅助提取优化磷脂脂肪酸工艺的研究方法简便、可靠。
The change in land use from forest to farmland in mountainous areas with steep slopes has increased soil erosion by raindrops, gully formation and landslides.
在高坡度山区将林地改造成农田这种土地利用的变化增加了因降雨、冲沟形成和滑坡造成的水土流失。
They think that the climate change from wet-hot, warm-wet, little cold-wet, to cold-drought, and the vegetational evolution from forest, bush, to grassland in Zhada area.
结果表明， 札 达地区上新世—早更新世气候经历了从湿热—温暖潮湿—偏冷潮湿—寒冷干旱的变化，以及植被从森林—灌木—草原的逐渐演化。
Ram Bahadur Bamjan, who had not been spotted for more than a year, emerged from forest on Monday to preach to villagers at a temple in Ratanpuri, about 150 km southeast of Kathmandu.
RamBahadurBamjan从人们视线中消失已经一年了。他周一从森林中突然现身，在加德满都东南约150千米Ratanpuri的寺庙中向村民布道。
Inadequate appropriations make it impossible for the Division of Forestry to protect the reserves from forest fires and from depredation of timber thieves, but a start had been made.
拨款不足使林业管理局难以防止森林保护区遭遇火灾和木材盗贼的劫掠，但保护行动毕竟已开始。
About 20% of the Brazilian rainforest has already been destroyed, and 75% of Brazil's greenhouse gas emissions are estimated to come from forest clearing as vegetation burns and felled trees rot.
约20%的巴西热带雨林已遭破坏，巴西75%的温室气体排放是因植被燃烧和砍伐后残木的腐烂而产生的。
From forest zone to the ecotone, forest patch size decreases while forest fragmentation increases.
从森林带到森林草原交错带，森林斑块变小、森林景观破碎化程度提高。
From forest zone to the ecotone, forest patch size decreases while forest fragmentation increases. Forest landscapes...
从森林带到森林草原交错带，森林斑块变小、森林景观破碎化程度提高。
From forest zone to the ecotone, forest patch size decreases while forest fragmentation increases. Forest landscapes...
从森林带到森林草原交错带，森林斑块变小、森林景观破碎化程度提高。
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