Spatial variation characteristics and influencing factors of soil nutrients in the alpine forest-grassland ecotone at Minjiang headwaters

• SONG Yike, 
• GAI Aihong, 
• ZHOU Jun, 
• WANG Jinniu, 
• SUN Jian, 
• HEI Jiali, 
• ZHA Lin, 
• Niyati Naudiyal, 
• ZHOU Tianyang, 
• SHI Ning, 
• BAI Jingwen