Soil organic carbon plays an important role in terrestrial ecosystem carbon pool, and has profound effect on soil physical, chemical and biological properties.
土壤有机碳是陆地生态系统碳库中的重要组成部分，对土壤的物理、化学和生物学性质有深刻的影响。
Recent years, the terrestrial ecosystem carbon pool has been seriously influenced and disturbed by human activities which make the ecological environment getting worse.
近年来，人类活动对陆地生态系统碳库的影响和干扰日趋严重，使生态环境日益恶化。
It is very important for accurate estimation of plant carbon pool in terrestrial ecosystem and further research of regional carbon cycle to determine carbon content of vegetation.
植被含碳率的确定对精确估算陆地生态系统中的植被碳库数量，进而研究区域碳循环有着非常重要的意义。
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