Climate variability drives megafaunal fluctuation: Sedimentary biomarker insights from the Tibetan Plateau over the Holocene - Qiang Qu; Xiaohuan Hou; Zhe Sun; Fenglin Lyu; Xiaoxue Gao; Lili Song; Juzhi Hou (Palaeogeography, Palaeoclimatology, Palaeoecology, 2026)