Degradation of wetlands on the Qinghai-Tibetan Plateau causing a loss in soil organic carbon in 1966–2016 - Hailing Li; Tingting Li; Wenjuan Sun; Wen Zhang; Qing Zhang; Lijun Yu; Zhangcai Qin; Bin Guo; Jia Liu; Xingchu Zha (Plant and Soil, 2021)