河北农业大学学报
冀西北坝上地区封围对植物物种多样性及生物量的影响
杨鑫，丁丽，许中旗，张艳君
Impact of enclosure on plant diversity and biomass in the Bashang area in northwest of Hebei Province
河北农业大学学报 . 2021, (3): 47 -53 .  DOI: 10.13320/j.cnki.jauh.2021.0046