Monthly Species Composition about Benthos Living in AenggangBay of Namhae, Korea

Community structure and species composition about Benthos living in Aenggang Bay of Namhae, Korea. The samples were collected by quadrat method for 12 months from March, 2021 to February 2022. A quadrat method total of 5,641 benthos were sampled and classified into 37 species, 21 families. The dominant family 6 species (16.22%) were appeared from Sesarmidae, 5 species (13.51%) were appeared from Trochidae and 4 species (10.81%) were appeared from Muricidae. The richness index of benthic organisms was the highest in station 1 (R = 3.049) and lowest in station 3 (R = 1.597). The evenness index was the highest in station 1 (J = 0.832) and lowest in station 2 (J = 0.768). The diversity index was the highest in station 1 (H’ = 2.678) and lowest in station 3 (H’ = 2.026). Furthermore, the dominance index was the highest in station 3 (D = 0.514) and lowest in station 1 (D = 0.321).