Relationship between grasshopper community and vegetation in hilly meadow steppe of Horqin

• Hong-yan BAI, 
• Wei SUN, 
• Cheng-ping LEI, 
• Chao LIU, 
• Ya-lin YAO, 
• Xin-yue LI, 
• Tian-jing ZHANG, 
• Bin CONG, 
• Hui DONG, 
• Hai-tao QIAN