DIURNAL VARIATION OF FISH RESOURCE ESTIMATED BY HYDROACOUSTICAL METHOD OF XIANGXI RIVER IN THE THREE GORGES RESERVOIR

• LIAN Yu-Xi, 
• YE Shao-Wen, 
• HUANG Geng, 
• GODLEWSKA Małgorzata, 
• WANG Jing-Ya, 
• LIU Jia-Shou, 
• LI Zhong-Jie