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

北方森林在气候较冷的地方，这些地方经常有冰点以下的温度。

I'm walking my dogs through the boreal forest.

我带着我的狗穿过北方森林。

Jill Johnstone has been studying boreal forest ecology for decades.

吉尔·约翰斯通几十年来一直在研究北方森林生态学。

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

北方针叶林也被称为泰加林，是地球上面积最大的陆地生态群系。

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。

Black spruce and fir are the dominant tree species in the boreal forest.

黑云杉和冷杉是北方森林的优势树种。

When the boreal forest burns, it has the potential to release gigatons of carbon into the atmosphere.

当北方森林燃烧时，它有可能向大气中释放数十亿吨的碳。

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

北方针叶林是世界上面积最大的陆地生态群系。

The boreal forest is the largest terrestrial biome in the world. It covers 14 percent of the land on earth.

北方森林是世界上最大的陆地生物群落。 它占地球陆地面积的14%。

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年，寒带森林和北极苔原的火灾将增加4倍。

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

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

They may be frightening and destructive forces of nature, but wildfires are also vital to the existence of healthy boreal forest ecosystems.

野火可能有点可怕， 并对大自然有破坏力，但它们对于维持健康的森林生态系统却有着重要的意义。

REPORTER: In 2015, this region of boreal forest was the scene of an overwintering fire also known as a zombie fire.

2015年，这片北方森林地区发生了一场越冬大火，也被称为僵尸大火。

Wildfire is a normal part of the lifecycle for a boreal forest, but as the climate warms, this ecosystem is becoming increasingly vulnerable.

野火是北方森林生命周期中正常的一部分，但随着气候变暖，这个生态系统变得越来越脆弱。

Johnstone says this new kind of boreal forest is storing carbon four times faster than it would have before it burned.

Johnstone 说这种新北方针叶林存储碳的速度，是未过火时的4倍。

This past spring, a group of scientists released their findings from a 15-year study that looked at how boreal forests regenerate after wildfire.

今年春天，一组科学家公布了他们对北方森林野火后如何再生的15年研究的发现。

But this feedback of vegetation change in the boreal forest is at least pushing back against that acceleration to slow us down.

但这种北方森林植被变化的反馈至少会把加速的速度往回推，让我们减速。

Many work in the boreal forest which stretches from Alaska to Newfoundland.

许多人在从阿拉斯加延伸到纽芬兰的北方森林中工作。

It is a harsh, but strikingly beautiful part of the boreal forest.

这是北方森林中一个严酷但美丽得惊人的部分。

The tundra is mostly moss, and then there's the boreal forest.

苔原大部分是苔藓， 然后是北方森林。