Relationship between lunar phase, water depth and operation time and CPUE of purpleback flying squid (Sthenoteuthis oualaniensis) in South China Sea in spring

• ZHAO Chunxu, 
• QIU Xingyu, 
• HE Xiongbo, 
• WANG Guoyi, 
• GU Yinna, 
• ZHONG Yana, 
• YAN Yunrong, 
• KANG Bin