Study on Growth Characteristics of Sargassum fulvellum in the Integrated Multi-trophic Aquaculture (IMTA) System

Young Dae Kim; Mi Seon Park; Byung Hwa Min; Seong Jae Jeong; Hyung Chul Kim; Hyun Il Yoo; Won Chan Lee; Jae Suk Choi

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자료유형: 학술저널

저자정보: Young Dae Kim Mi Seon Park Byung Hwa Min Seong Jae Jeong Hyung Chul Kim Hyun Il Yoo Won Chan Lee Jae Suk Choi

저널정보: 한국환경과학회 한국환경과학회지 한국환경과학회지 제23권 제10호

발행연도: 2014.10

수록면: 1,703 - 1,718 (16page)

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이 논문의 연구 히스토리 (2)

2015

Growth Characteristics of Yesso scallop (Patinopecten yessoensis) in Integrated Multi-trophic Aquaculture System

Young Dae Kim , Chu Lee , Mi Sun Pa 외 7명 한국수산과학회 양식분과 학술대회 2015.10 학술대회자료

2014

Study on Growth Characteristics of Sargassum fulvellum in the Integrated Multi-trophic Aquaculture (IMTA) System

Young Dae Kim , Mi Seon Pa , k 외 6명 한국환경과학회지 2014.10 학술저널

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An eco-friendly integrated multi-trophic aquaculture (IMTA) farming technique was developed with the goal of resolving eutrophication by excess feed and feces as fish-farming by-products. A variety of seaweed species were tried to remove inorganic nutrients produced by fish farming. However, there have been few trials to use Sargassum fulvellum in an IMTA system, a species with a relatively wide distribution across regions with various habitat conditions, great nutrient removal efficiency and importance for human food source and industrial purposes. In this regard, our study tried to examine feasibility of using S. fulvellum in an IMTA system by analyzing growth characteristics of the species in an IMTA system comprising of rockfish (Sebastes shlegeli), sea cucumber (Stichopus japonocus) and the tried S. fulvellum (October 2011 - November 2012). We also monitored environment conditions around the system including current speed, water temperature and inorganic nutrient level as they may affect growth of S. fulvellum. S. fulvellum in the IMTA system, which were 15.72±5.67 mm long at the start of the experiment in October 2011, grew to a maximum of 1093±271.13 mm by May 2012. In September, seaweed growth was reduced to a minimum of 280±70.43 mm in length. Then, S. fulvellum began to grow again reaching 325±196.19 mm by November 2012. Wet weight of the seaweed was 4.01±1.89 g at the start of the experiment and reached a maximum of 109.26±34.23 g in May. The weight gradually declined to a low of 15.12±8.40 g in September 2012. Weight began to increase once more, rising to 39.27±21.69 g by November. During the experiment, the average velocity at the surface and the bottom was 6.5 cm/s and 3.4 cm/s, respectively. The water temperature ranged 5.0-23.5 ℃, which was considered suitable for growing S. fulvellum. Results of the study indicated no significant differences in inorganic nutrients between pre- and post-IMTA installation. It was thus concluded that S. fulvellum can be a suitable seaweed species to be used in an IMTA system.

#Eco-friendly aquaculture #Growth characteristics #IMTA #Sargassum fulvellum

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