Temporal and spatial distribution characteristics of Antarctic krill (Euphausia superba) aggregations in South Shetland Islands in autumn and winter of 2019

• LI Shuai, 
• LI Lingzhi, 
• FENG Chao, 
• YANG Jialiang, 
• ZHANG Gangchen, 
• RAO Xin, 
• HUANG Hongliang