These grasslands make up the largest biome in North America.

这些草原构成了北美最大的生物群落。

So this is now a really significant biome on earth, and it's largely unknown.

因此，这是地球上非常重要的生物群落，而且大多数是未知的。

Like, think about an aquatic — or water-based — biome.

比如，想想水生或水基生物群落。

And plants are a major part of nearly every single biome.

植物几乎是每一个生物群落的主要组成部分。

That came at a price, however. Almost half of the original biome has been destroyed.

然而，这是要付出代价的。几乎一半的原始生物群已经被摧毁。

Temperate grasslands have the lowest level of protection of the world's 14 recognised “biomes”, or habitats.

在世界14个受保护的生物群落和栖息地中，温带草地的保护水平最低。

On the bad side, the presence of mountains only amplifies the previous negatives with developing desert and jungle biomes.

从不利的一面来看，山脉的存在只会扩大之前发展沙漠和丛林生物群落的不利因素。

The nodules are a core part of a biome roughly the size of the Amazon rain forest, she notes.

她指出，这些结核是一个大致相当于亚马逊雨林大小的生物群落的核心部分。

The Atlantic rainforest is one of the planet's most threatened biomes, more than 90 percent of it was deforested and destroyed.

大西洋雨林是地球上受威胁最严重的生物群落之一，有超过百分之九十的森林被砍伐和破坏。

Each biome contains multiple ecosystems, and all but the most frigid arctic regions are supported by plants.

每个生物群落都包含多个生态系统，除了最寒冷的北极地区外，所有地区都由植物支撑。