Losing a species like this would have a drastic impact on the entire grassland ecosystem.

失去这样一个物种将对整个草原生态系统产生严重的影响。

Nitrogen, or indeed the lack of it, plays a decisive role in any grassland ecosystem.

氮元素，或者说在缺乏氮元素的情况下对任何草地生态系统都会产生决定性的影响。

When cheetahs run again in Kuno National Park, the grassland ecosystem of the place will get restored.

当猎豹再次在库诺国家公园奔跑时，这个地方的草原生态系统将得到恢复。

I can tell you that almost everything that happens out here in this grassland ecosystem is governed by a craving for this rare resource.

我可以告诉你在这个草原生态系统里，几乎所发生的一切都是由于渴求这种稀缺资源而引起。

And the story of why the wolf needs the ant is an amazing one, and it's all down to the way that grassland ecosystems survive against the odds.

狼需要蚂蚁才能生存的故事一定会让你吃惊，这也是所有草原生态系统冲破万难，获得生存的方法。