退化草地恢复过程中群落物种多样性及生产力对氮磷养分的响应
王洪义1,常继方1,王正文2()
Responses of Community Species Diversity and Productivity to Nitrogen and Phosphorus Addition During Restoration of Degraded Grassland
WANG HongYi1,CHANG JiFang1,WANG ZhengWen2()

图1. 氮磷添加对群落物种丰富度和Simpson 指数的影响(2014—2017年)(* P<0.05)

Fig. 1. Effects of nitrogen and phosphorus addition on species richness and community Simpson index (2014-2017)