완도항 해역에서 5월과 8월에 출현한 자치어의 종조성

Species Composition of Fish Larvae in Coastal Waters off Wan Island Port in May and August

Species composition of fish larvae in coastal waters off Wan island port were investigated in May and August, 2019. During the study period, the fish larvae were identified as belonging to 24 taxa, 19 families, and 9 orders. The dominant species of fish larvae were Engraulis japonicus, Nuchequula nuchalis, and Ammodytes japonicus. These three species accounted for 56.4% of the total number of individuals collected. The evenness index of the fish larvae was the highest in St. 4 (E=0.88) and the lowest in St. 1 (E=0.74). The richness index of the fish larvae was the highest in St. 2 (E=3.49) and the lowest in St. 4 (E=2.89). The diversity index of the fish larvae was the highest in St. 4 (H′=2.53) and the lowest in St. 1 (H′=2.19). The dominance index was the highest in St. 1 (D=51.12%) and the lowest in St. 4 (D=34.76%). The similarity index was the highest between St. 5 and St. 2 by 92.14%.