The correlation and niche of survival community of Kengyilia thoroldiana in Maduo County, Qinghai Province

• ZHANG Jing, 
• Caiwendaiji, 
• Suonancairen, 
• WEN Xiaocheng, 
• WANG Shengcai, 
• YANG Maoji, 
• Renzengouzhu, 
• SUN Haiqun