The mightiest are native to North America, but big trees grow all over the globe, from the tropics to the boreal forests of the high latitudes.
最高大的树原产于北美，但大树遍布全球——从热带到高纬度的北方森林。
World forest Ecosystem includes tropical, subtropical, temperate, and boreal forests as well as other woodland.
世界森林生态系统包括热带、亚热带、温带森林，北方针叶林以及其他有林地。
Birds from every habitat-from boreal forests to subtropical islands-will have to adapt to the shifts in their already compromised habitat.
各个栖居地——从北方森林到亚热带岛屿——的鸟类将不得不适应业已熟悉的环境即将发生的转变。
Some studies suggest biochar can accelerate microbes degrading organic matter into dread CO2 in places like the boreal forests of the northern hemisphere.
一些研究表明，在北半球高纬度地区的森林里，生物炭会加速微生物将有机物降解成可怕的二氧化碳。
Rich with aspen parkland and grasslands, marshes and small lakes, and spanning deciduous and boreal forests, Riding Mounting is a top wildlife-viewing locale.
这个公园有着大批山杨树的公园场地、草地、沼泽和小湖泊、落叶和寒带森林，骑马登山是一个顶级的观赏野生动物的活动。
Boreal forests have more wetlands area than anywhere else in the world, with Russia and Canada each containing an estimated one million to two million lakes and ponds.
即使俄罗斯和加拿大每个国家都拥有大约一两百万的湖泊和池塘，北部大森林也拥有比世界上任何一个地方都大的湿地。
I've seen cities like Beijing choked by industrial pollution, ancient Boreal forests in Canada that have been clear-cut, and rainforests in Indonesia that have been incinerated.
我曾经目睹过像北京那样因工业污染而窒息的城市，加拿大古老的寒温带森林被夷为平地，印度尼西亚的热带雨林被焚烧殆尽。
Other likely effects include shrinkage of the Amazon rainforest and Boreal forests, increases in the intensity of extreme weather events, species extinctions and changes in agricultural yields.
其他的一些影响包括亚马孙雨林和寒带森林的锐减，极端天气状况出现密度加剧，物种灭绝以及农业产量下降等。
Most of this pulp comes from the Canadian Boreal forest, which makes up 25 percent of the remaining ancient forests left in the world, she said.
大部分纸浆是来自加拿大的北方森林，这使得上升百分之二十五，其余的原始森林留在世界上，她说。
Most of this pulp comes from the Canadian Boreal forest, which makes up 25 percent of the remaining ancient forests left in the world, she said.
大部分纸浆是来自加拿大的北方森林，这使得上升百分之二十五，其余的原始森林留在世界上，她说。
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