Species composition and seasonal variation of aquatic organism at Baekryeong-do, Korea were investigated using pots in 2016. A total of 42 species, 90,050 individuals and 2,351,666 g of aquatic organism were collected. Among them, there were 12 species and 3,826 individuals of fish, 15 species and 51,237 individuals of crustaceans, 2 species and 54 individuals of cephalopods, 7 species and 33,981 individuals of gastropods, 2 species and 757 individuals of echinodea, 2 species and 187 individuals of shellfish, and 1 species and 8 individuals of holothuroidea. The dominant species in number of individuals were Pagurus ochotensis, Neptunea cuming, Cancer gibbosulus, and Buccinum yokomaruae, which accounted for 70.0% of the total number individuals collected. The dominant species in biomass were Neptunea cuming, Portunus trituberculatus, Cancer gibbosulus, and Pagurus ochotensis, which accounted for 65.3% of the total biomass collected.

서 론
 재료 및 방법
 결 과
  수온 및 염분
  종조성 및 출현량
  계절별 출현양상 및 군집구조
  주요 어획종의 체장조성
 고 찰
 결 론
 References

• 박준(국립수산과학원 서해수산연구소) | Jun PARK (West Sea Fisheries Research Institute, National Institute of Fisheries Science)
• 정경숙(국립수산과학원 서해수산연구소) | Gyeong Suk JEONG (West Sea Fisheries Research Institute, National Institute of Fisheries Science)
• 김정년(국립수산과학원 수산자원연구센터) | Jung Nyun KIM (Fisheries Resources Research Center, National Institute of Fisheries Science)
• 임양재(국립수산과학원 수산자원연구센터) | Yang Jae IM (Fisheries Resources Research Center, National Institute of Fisheries Science)
• 김맹진(국립수산과학원 서해수산연구소) | Maeng Jin KIM (West Sea Fisheries Research Institute, National Institute of Fisheries Science) Corresponding author