These grasslands make up the largest biome in North America.

些草原构成了北美最大物群落。

That's essentially a semi-arid steppe biome and an extension of the vast American Great Plains.

基本上是半干旱草原物群落，是广阔美国大平原延伸。

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

然而，是要付出代价。几乎一半原始物群已经被摧毁。

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

因此，是地球上非常重要物群落，而且大多数是未知。

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

植物几乎是每一个物群落主要组成部分。

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

在世界14个受保护物群落和栖息地中，温带草地保护水平最低。

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

从不利一面来看，山脉存在只会扩大之前发展沙漠和丛林物群落不利因素。

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

她指出，些结核是一个大致相当于亚马逊雨林大物群落核心部分。

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

每个物群落都包含多个态系统，除了最寒冷北极地区外，所有地区都由植物支撑。

Okay, that's better — with biomes, the largest units that ecologists use to describe the plant life of different locations.

好吧，就更好了——物群落，态学家用来描述不同地区植物命最大单位。

But no matter how many biomes there are, plants have important roles to fill in them.

但无论有多少物群系，植物都扮演着重要角色。

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

比如，想想水或水基物群落。

This is a huge biome that we carry in our bellies every single day.

是我们每天肚子里都携带着一个巨大物群落。

There's something stable and healthy about this biome.

个物群落稳定而健康。

If we look broader than that, the next one would be biome.

如果我们把视野放得更广一些，下一个层级就是物群系。

We've got a number of biomes on our planet.

我们星球上有许多物群落。

To discover new blocks, new biomes, new ways of looking at the world.

发现新方块， 新物群落， 新看待世界方式。

We have a whole episode on the gut biome that we'll link for you.

我们有一期关于肠道菌群完整节目，会为你提供链接。

The desert is the driest biome on Earth.

沙漠是地球上最干燥物群落。

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物群落之一，有超过百分之九十森林被砍伐和破坏。