Swift as the boreal light which flies, At midnight through the startled skies.

迅捷犹如扑面灯火，掠过惊悚星空夜半。

And once it thaws, that collapsing ground can drastically alter the vast expanse of the Arctic's tundra and boreal forest, and it can also threaten the homes and lifeways of Arctic residents.

一旦永久冻土开始融化，坍塌土会彻底改变北极区大片苔原和北部针叶林，这也威胁着北极区居民家园和生活方式。

Winding its way across the desert, the Colorado River supplies fresh water to a variety of arid ecosystems, including desert scrub, boreal forests, and pinyon-juniper woods.

科罗拉多河横跨沙漠，多种干旱生态系统带去新鲜水源，包括沙漠灌木丛、北方针叶林和杜松林。

The boreal forest, also known as Taiga, is the largest terrestrial biome on the planet.

北方针叶林也被称泰加林，是球上面积最大生态群系。

The boreal forest is the largest terrestrial biome in the world.

北方针叶林是世界上面积最大生态群系。

And a new study says fires in the boreal forests of North America and Eurasia are a ticking time bomb with greenhouse gas emissions increasing over the last twenty years.

一项新研究表明，北美和欧亚大北方森林火灾是一颗定时炸弹，在过去 20 里，温室气体排放量不断增加。

We also know that the Arctic boreal areas of the planet are getting warmer at a much faster rate than the rest of the planet.

我们还知道，球上北极寒带正以比其它方快得多速度变暖。

The top of the boreal and the Arctic, that's Alaska, that's Canada, that's Siberia, we are seeing an increase of bad wildfires.

在北方和北极顶端，阿拉斯加、加拿大和西伯利亚，我们看到严重野火灾害数量在增加。

A cold coniferous forest region in the north covered by boreal trees and peat bogs that was too inhospitable for agriculture.

北部是寒带针叶林区，被北方落叶树和泥炭沼泽覆盖，过于荒凉，不适合农业生产。

Models predict that fires in the boreal forests and Arctic tundra will increase by up to four times by 2100.

多个模型预测，到2100，寒带森林和北极苔原火灾将增加4倍。

Zephyr was a west wind but when you're talking about a north wind your speaking in boreal terms.

Zephyr指西风，而北风用boreal表示。

Zephyr was a west wind but when you're talking about a north wind, you're speaking in boreal terms.

Zephyr是西风意思，但你想说北风时，你应该用boreal。

REPORTER: In the remote boreal forests of Canada's Northwest Territories, and Rebecca Scholten, along with an international team of researchers, is on the hunt for signs of a rare and destructive phenomenon.

在遥远加拿大西北领北方森林，丽贝卡·斯科尔滕和一队际研究队，正在找寻这种罕见破坏性现象迹象。

I'm walking my dogs through the boreal forest.

我带着我狗穿过北方森林。

Animals you would find in a boreal forest include reindeer, moose, Artic hares, wolves and wolverines.

你可以在北方森林中找到驯鹿、驼鹿、北极野兔、狼和貂熊等动物。

Boreal forests are found in colder climates that often have freezing temperatures.

北方森林在气候较冷方，这些方经常有冰点以下温度。

These zombie fires smoulder year round in the peat below ground, in and around the Arctic Circle, only to burst into huge blazes that rage across the boreal forests of Siberia, Alaska and Canada.

这些僵尸火常在北极圈内和周围下泥炭层中暗暗燃烧，却会在西伯利亚、阿拉斯加和加拿大北方森林中爆发大型火灾。

This past spring, Randi Jandt and her colleagues published a paper in Nature about wildfires that overwinter in the boreal forest.

今春天，Randi Jandt 和同事在《自然》上发表了关于在北方针叶林越冬野火文章。

But that's not all, these boreal soils store huge amounts of carbon, so burning them releases it as carbon dioxide into the atmosphere.

但这还不是全部，这些北方土壤储存了大量碳，所以燃烧它们会以二氧化碳形式释放到大气中。

In the last two fire seasons, other parts of the world dominated by boreal forest have also seen overwintering fires and Jandt says that may be where some of her research goes next.

在过去两个火灾高发季，北方针叶林主其它区已经出现了越冬火灾，Jandt 说她接下来可能去研究那些方。