Biotic and abiotic drivers of ecosystem multifunctionality: Evidence from the semi-arid grasslands of northern China - Congwen Wang; Wanying Yu; Linna Ma; Xuehua Ye; Enkhmaa Erdenebileg; Renzhong Wang; Zhenying Huang; Tuvshintogtokh Indree; Guofang Liu (Science of The Total Environment, 2023)