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首页> 外文期刊>Advances in Meteorology >Improving Carbon Mitigation Potential through Grassland Ecosystem Restoration under Climatic Change in Northeastern Tibetan Plateau
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Improving Carbon Mitigation Potential through Grassland Ecosystem Restoration under Climatic Change in Northeastern Tibetan Plateau

机译：气候变化下青藏高原东北地区通过草地生态系统恢复提高碳减排潜力

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To protect the water tower’s ecosystem environment and conserve biodiversity, China has been implementing a huge payment program for ecosystem services in the three rivers source region. We explored here the dynamics of grassland degradation and restoration from 1990 to 2012 and its relationships with climate mitigation in the TRSR to provide a definite answer as to the forcing and response of grassland degradation and restoration to climate change. Then we estimated its potential of climate mitigation benefits to address the question of whether ecological restoration could be effective in reversing the decline of ecosystem carbon mitigation service. The trend of average annual temperature and precipitation observed by meteorological stations were approximately increased. Compared before and after 2004, the area of grassland degradation was increased slightly. However, nearly one-third of degraded grassland showed improvement, and the grassland vegetation coverage showed significant increase. Comparing current grassland vegetation coverage with healthy vegetation cover with the same grass type, nearly half of the area still needs to further restore vegetation cover. The grassland degradation resulted in significant carbon emissions, but the restoration to its healthy status has been estimated to be technical mitigation potential.
机译：为了保护水塔的生态系统环境和保护生物多样性，中国一直在三河源地区实施一项庞大的生态系统服务付款计划。我们在这里探讨了1990年至2012年草地退化和恢复的动态及其与TRSR中的减缓气候的关系，从而为草地退化和恢复对气候变化的强迫和响应提供了明确的答案。然后，我们估计了其缓解气候变化效益的潜力，以解决生态恢复是否可以有效逆转生态系统碳缓解服务下降的问题。气象站观测到的年平均气温和降水量的趋势大致增加。与2004年前后相比，草地退化面积略有增加。然而，近三分之一的退化草地表现出改善，草地植被覆盖率显着增加。将目前的草地植被覆盖率与相同草类型的健康植被覆盖率进行比较，仍有将近一半的面积需要进一步恢复植被覆盖。草地退化导致大量的碳排放，但恢复其健康状态据估计具有缓解技术的潜力。

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