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地理研究 2010
A carbon budget of alpine steppe area in the Tibetan Plateau
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Abstract:
The Tibetan Plateau,the third pole of the earth,is one of the least human-disturbed regions in the world.Its outstanding topographic feature and ecological characteristics have significant effects on modern atmospheric circulation and climate,so the greenhouse gases emission and absorption are linked to climate changes at local,regional and even global scales.Also,to examine or estimate the actual magnitude of carbon uptake or release from this terrestrial ecosystem has become the central issue in global ca...