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

在世界14个受保护的落和栖息地中，温带草地的保护水平最低。

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

大西洋是地球上受威胁最严重的落之一，有超过百分之九十的森被砍伐和破坏。

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大小的落的核心部分。

These grasslands make up the largest biome in North America.

这些草原构成了北美最大的落。

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

北方针叶是世界上面积最大的陆地态系。

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

北方针叶也被称为泰加，是地球上面积最大的陆地态系。

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

北方森是世界上最大的陆地落。 它占地球陆地面积的14%。