40年甘肃省耕层土壤有机碳时空分异及影响因素
张美兰, 崔增团, 顿志恒, 贾蕊鸿, 张玉霞, 郭世乾, 崔倩怡, 葛承暄, 蔡立群, 董博

The Spatial-temporal variance characteristic of soil organic carbon in cultivited land of Gansu Province and its influencing factors in the 40 years from 1980 to 2020
Meilan Zhang, Zengtuan Cui, Zhiheng Dun, Ruihong Jia, Yuxia Zhang, Shiqian Guo, Qianyi Cui, Chenxuan Ge, Liqun Cai, Bo Dong
表1 1980s2020s甘肃省主要地貌区耕层土壤有机碳密度( SOCD )、碳储量和固碳率的变化
Table 1 Change of SOCD and carbon storage in different farming area in Gansu Province
区域SOCD/(kg·m-2)碳储量/Tg

固碳总量/Tg

1980s—2020s

固碳率

/(kg·m-2·a-1)

1980s2000s2020s1980s2000s2020s
河西平原绿洲灌区2.012.192.3922.8924.4126.753.860.010
陇中陇东黄土高原区1.711.882.1559.9465.9775.4815.540.011
陇南山地区1.642.232.5511.2615.2717.496.230.023
甘南高原区3.683.583.53.593.493.41-0.18-0.005