干旱区研究
Variation in soil extracellular enzyme activities stoichiometry during biological soil crust formation in the Loess Plateau
YAO Hongjia,WANG Baorong,AN Shaoshan,YANG E’nv,HUANG Yimei
Arid Zone Research . 2022, (2): 456 -468 .  DOI: 10.13866/j.azr.2022.02.13