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西北高原所在高寒草地土壤有机碳变化研究中取得新进展
高寒草地占青藏高原地表面积的60%,其植被和土壤(0~1.0m深度)分别储存~0.80和~7.50 Pg?C。高寒草地生态系统每年的碳汇强度约为17?130 Tg C,是缓解全球气候变化的一种潜在的基于自然的解决方案 (Nature-Based Solution)。近年来,青藏高原面临着大气氮沉降加剧 (~1.0?g N m–2?year–1)和降水增加 (~0.02 ...
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