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http://dx.doi.org/10.3796/KSFT.2010.46.4.335

Seasonal variation of fish assemblage in Sacheon marine ranching, the southern coast of Korea  

Kim, Young-Seup (Research and Development Planning Department, National Fisheries Research and Development Institute)
Choi, Jung-Hwa (Research and Development Planning Department, National Fisheries Research and Development Institute)
Kim, Jung-Nyun (Fisheries Resources Research and Management Division, National Fisheries Research and Development Institute)
Oh, Taeg-Yun (Fisheries Resources Research and Management Division, National Fisheries Research and Development Institute)
Choi, Kwang-Ho (Fisheries Resources Research and Management Division, National Fisheries Research and Development Institute)
Lee, Dong-Woo (Fisheries Resources Research and Management Division, National Fisheries Research and Development Institute)
Cha, Hyung-Kee (Fisheries Resources and Environment Division, Southwest Sea Fisheries Research Institute)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.46, no.4, 2010 , pp. 335-345 More about this Journal
Abstract
Species composition and seasonal variation of fish assemblage in Sacheon marine ranching, Korea were examined. Sampling was seasonally made by a shrimp trawl from February 2009 to November 2009. A total of 55 species were collected. Of these, five species was dominant species comprising 51.1% of the total number of individuals. Nine species represented 57.3% of the total biomass. While total abundance (number of individuals) was high in spring, total biomass and species richness (number of species) and diversity were high in autumn. Cluster analysis, based on seasonally abundance data of the 21 most common species, showed that the species were separated into 4 different groups. Group A composed of Pholis nebulosa, Pleuronectes yokohamae, Hypodytes rubripinnis, Hexagrammos otakii, Tridentiger trigonocephalus and Paracercis sexfasciata, which were year round residents, group B Congr myriaster, Leiognathus nuchalis, and Platycephalus indicus, which were abundant in autumn, group C Sillago japonica, Pseudaesopia japonica, Zoarces gilli, Pholis fangi, and Pleuronichthys cornutus which were abundant in spring, and group D Sillago sihama, Cociella sp., Johnius grypotus, Cynoglossus joyneri, Cynoglossus robustus, and Pennahia argentata, which were abundant in summer. Principal component analysis revealed that seasonal variation in the fish assemblage was attributed to the abundance of temporal species such as conger and sand smelt fishes, which were abundant in summer, due to seasonal variation of water temperature.
Keywords
Fish species composition; Seasonal variation; Fish assemblage; Sacheon marine ranching;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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