The Growth of Mugil cephalus, Patinopecten yessoensis and Saccharina japonica in the IMTA System

Young Dae Kim; Mi Seon Park; Byung Hwa Min; Hyung Chul Kim; Won Chan Lee; Chu Lee; Gi Seung Kim; Yong Hyun Do; Hyun Il Yoo

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자료유형: 학술저널

저자정보: Young Dae Kim Mi Seon Park Byung Hwa Min Hyung Chul Kim Won Chan Lee Chu Lee Gi Seung Kim Yong Hyun Do Hyun Il Yoo

저널정보: 한국환경과학회 한국환경과학회지 한국환경과학회지 제25권 제10호

발행연도: 2016.10

수록면: 1,445 - 1,457 (13page)

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In this study, we investigated the growth of striped mullet (Mugil cephalus), Yesso scallop (Patinopecten yessoensis) and kelp (Saccharina japonica) farmed under the IMTA (integrated multi-trophic aquaculture) system developed by national institute of fisheries science (NIFS). The farmed striped mullets grew from an initial length and weight of 152.5±12.1 mm and 41.6±7.8 g in October 2013 to 154.2±5.6 mm and 47.5±8.6 g in November, 160.2±8.7 mm and 55.9±9.1 g in December and 168.4±9.6 mm and 58.4±8.7 g in January. The fish continued to grow and reached 190.2±9.4 mm in length and 87.5±8.9 g in weight in April and 256.4±9.7 mm and 156.7±6.7 g in October 2014. The daily growth rate (DGR) for total fish length was 0.015~0.1 mm/day during the periods of fast growth and attained 0.038~0.1 mm /day during February~March. The kelp grew from an initial blade length and wet weight of 1.19±0.2cm and 0.0028±0.0012 g in January 2014 to 3.3±0.8 cm and 2.5±0.9 g in February and 126.5±11.6 cm and 107.4±22.6 g in March, after which, erosion occurred and slowed the growth. The DGRs for kelp length ranged 0.03 1.9 mm /day in January 2014 and increased to 0.88~1.9 mm /day during March~April. Increasing water temperatures beginning in April lowered the DGR to 0.03 mm /day. Yesso scallops grew from an initial shell length, shell height and wet weight of 11.83±0.6 mm, 12.68±0.7 mm and in September 2013 to 19.9±2.5 mm, 20.8±2.6 mm and 0.9±0.04 g in November 2013. They continued to grow to 45.91±0.71 mm in shell length, 42.55±0.8 mm in shell height and 12.7±1.3 g in wet weight by May 2014 and 60.2±2.51 mm, 554.6±2.61 mm and 24±2.70 g by October 2014. The DGRs for shell length of Yesso scallop ranged from 0.02 to 0.256 mm/day with higher values of 0.256~0.27 mm/day during November December 2013 and March~April 2014.

#Aquaculture #Environmental pollution #Growth characteristics #IMTA

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