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http://dx.doi.org/10.5657/kfas.2011.0506

Community Structure of Demersal Organisms Caught by Otter Trawl Survey in the Uljin Marine Ranching Area, Korea  

Yoon, Byoung-Sun (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute, NFRDI)
Yoon, Sang-Chul (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute, NFRDI)
Lee, Sung-Il (Fisheries Resources Management Division, National Fisheries Research & Development Institute)
Kim, Jong-Bin (External Research Cooperation Division, National Fisheries Research & Development Institute)
Yang, Jae-Hyeong (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute, NFRDI)
Park, Jeong-Ho (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute, NFRDI)
Choi, Young-Min (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute, NFRDI)
Park, Jong-Hwa (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute, NFRDI)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.44, no.5, 2011 , pp. 506-515 More about this Journal
Abstract
To elucidate demersal organism community structure, abundance, and biomass by period and region in the Uljin marine ranching area, otter trawl surveys were conducted at six stations from February 2008 to December 2009. During the survey period, a total of 118 species was collected in the Uljin marine ranching area, including 76 pisces, 27 mollusca and 15 crustaceans. The average abundance of individuals was 806 ind./$m^2$ and average biomass was 31,853 g/m2. The numbers of species, species richness, individuals per area and biomass per area were higher in 2009 than in 2008. Cluster and MDS analysis, based on a Bray-Curtis similarity matrix of fourth root transformed data of number of species and individuals per area, showed division into two different groups of demersal organisms in 2008 (Group 1) and one demersal organism community in 2009 (Group 2). From cluster and MDS analysis using the similarity of the demersal community among six stations, the Uljin marine ranching area was divided into Group A (St. 2, St. 4, St. 5 and St. 6) and Group B (St. 1 and St. 3).
Keywords
Uljin marine ranching area; Otter trawl survey; Demersal organisms; Community structure;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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