Warming and increased precipitation synergy undermines soil multifunctionality through enhanced bacterial–fungal competition in semi-arid grasslands - Li, Xiting; Shao, Jiayin; Li, Siyi; Wang, Yuxin; Canisares, Lucas Pecci; Zhu, Yuanjun; Shangguan, Zhouping; Deng, Lei; Yan, Weiming; Zhong, Yangquanwei (Soil Ecology Letters, 2026)