The tibetan alpine meadow grassland is used by local people to graze their yaks and sheep .
西藏的高山牧场草原是当地居民放牧的好地方。
That 's because ploughing ancient grassland would release substantial amounts of carbon from the soil .
那是因为耕种古老的草地将从土壤里释放出数量相当可观的碳。
Researchers transplanted vegetation from four grassland ecosystems to lower , warmer elevations .
研究人员将四个草场生态系统的植被移植到海拔较低、较温暖的地域。
I chose a place - the uzhumuchin grassland - where there were glimpses of that culture and moved there .
我选择了一个地方---乌珠穆沁草原，那里有着游牧文化的缩影，我就搬到了那里。
That is worrying for those who prefer forest to savannah . Global warming alone is predicted to favour the conversion of woodland to grassland , and dr balch thinks her work shows that wildfires may accelerate the process .
