由土地利用、土地利用变化和林业(LULUCF)活动产生的生态系统的固碳作用，是降低大气中温室气体浓度增加速度的重要途径之一。
Enhancing carbon sequestration in land use, land-use change and forestry (LULUCF) is one of the most important means to reduce the growth rate of greenhouse gas concentrations in the atmosphere.
草地是陆地生态系统大的碳库，在减少和固持CO 2方面将发挥主要作用。
Grasslands are the biggest carbon bank, and play a chief part in reducing and fixing CO2.
草地是陆地生态系统大的碳库，在减少和固持CO 2方面将发挥主要作用。
Grasslands are the biggest carbon bank, and play a chief part in reducing and fixing CO2.
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