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Estimation of Fish School Abundance by Using an Echo Sounder in an Artificial Reef Area

Abstract

The hydro-acoustic method is widely used for estimating biomass and distribution of fisheries resources along the coast and in the ocean. High costs and time are necessary to construct systems for this method and to initially educate specialists. It has been used in fisheries of advanced nations like Japan and Norway, because it is more efficient than other methods. In order to research the behavior of fish around an artificial reef using an echo sounder, volume backscattering strength (SV) and fish per cubic meter (FPCM) of darkbanded rockfish around the model artificial reef in a water tank were measured. Moreover, behavior of fish was observed in an adjacent artificial reef, which was constructed at Tongyeong marine ranching area. Following that, an acoustics survey was conducted at Mirukdo around the Tongyeong marine ranching area, in order to understand the spatial distribution and strength of fisheries resources. Very high patches of fish were found in a wide area around the artificial reef. It is thought that an approaching fish school around the artificial reef can be measured accurately by using an echo sounder of high resolution. Moreover, use of other monitoring methods like of diving or ROV simultaneous with an echo sounder is required in order to grasp the species and ecology of fish inhabiting the area around the artificial reef.

참고문헌 (8)

  1. Akamatsu, T., H. Takahashi and A. Matsuda. 2003. A monitoring system for the aggregated fish group by an acoustic-visual combined method. Scientist, 4, 18-26. (in Japanese) 
  2. Demartini, E.E., D.A. Roberts and T.W. Anderson. 1989. Contrasting patterns of fish density and abundance at an artificial rock reef and a cobble-bottom kelp forest. Bull. Mar. Sci., 44, 881-892 
  3. Fabi, G. and A. Sala. 2002. An assessment of biomass and diel activity of fish at an artificial reef (Adriatic sea) using a stationary hydroacoustic technique. ICES J. Mar. Sci., 59, 411-420 
  4. Furusawa, M. 1995. Acoustic technique for fisheries re- sources surveys: Measurement methods and quantita- tive echo sounders. J. Mar. Acoust. Soc. Japan, 22, 14-23. (in Japanese) 
  5. Furusawa, M., Y. Takao, K. Sawada, T. Okubo and K. Yamatani. 1993. Versatile echo sounding system using dual beam. Nippon Suisan Gakkaishi, 59, 967-980 
  6. MOMAF. 2003. Studies on development of marine ranching program in Tongyeong, Korea, pp. 526-583. (in Korean) 
  7. Stanley, D.R. and C.A. Wilson. 1996. Abundance of fishes associated with a petroleum platform as measured with dual-beam hydroacustics. ICES J. Mar. Sci., 53, 473-475 
  8. Thorne, R.E., J.B. Hedgepeth and J. Campos. 1989. Hydroacoustic observations of fish abundance and behavior around an artificial reef in Costa Rica. Bull. Mar. Sci., 44, 1058-1064 

이 논문을 인용한 문헌 (8)

  1. Oh, Taeg-Yun ; Cha, Hyung-Kee ; Chang, Dae-Soo ; Hwang, Choul-Hee ; Nam, Yun-Ju ; Kwak, Seok-Nam ; Son, Min-Ho 2010. "Seasonal variation and species composition of fishes communities in artificial reef unit at marine ranching area in the coastal waters off Jeju island, Korea" 한국어업기술학회지 = Journal of the Korean Society of Fisheries Technology, 46(2): 139~147 
  2. Kim, Jae-Woo ; Kim, Ha-Won ; Huh, Sung-Hoi ; Kwak, Seok-Nam 2011. "Seasonal variation and species composition of fish species in artificial reefs in the Shinyang-Ri coastal waters off Jeju island, Korea" 한국어업기술학회지 = Journal of the Korean Society of Fisheries Technology, 47(2): 118~127 
  3. Yoo, Jae-Won ; Hong, Hyun-Pyo ; Hwang, Jae-Youn ; Lee, Min-Soo ; Lee, Yong-Woo ; Lee, Chae-Sung ; Hwang, Sun-Do 2014. "A Study on the Ecological Indices for the Assessment of the Function and Maturity of Artificial Reefs" 바다 : 한국해양학회지, 19(1): 8~34 
  4. Hwang, Bo-Kyu ; Jang, Ho-Young 2014. "Spatial characteristics of fish distribution lured by artificial reefs in Jeju marine ranching area" 한국어업기술학회지 = Journal of the Korean Society of Fisheries Technology, 50(1): 30~38 
  5. Yoon, Eun-A. ; Hwang, Doo-Jin ; Kim, Ho-Sang ; Lee, Seung-Joo ; Lee, Kyung-Seon 2014. "Acoustic observation of the behavior of fish in an artificial reef" 한국어업기술학회지 = Journal of the Korean Society of Fisheries Technology, 50(2): 124~130 
  6. Kim, Dongha ; Woo, Jinho ; Na, Won-Bae ; Yoon, Han-Sam 2014. "Flow and Structural Response Characteristics of a Box-type Artificial Reef" 한국해안·해양공학회논문집 = Journal of Korean Society of Coastal and Ocean Engineers, 26(3): 113~119 
  7. Yoon, Eun-A ; Hwang, Doo-Jin ; Kim, Ho-Sang ; Lee, Kyung-Seon 2014. "The Characteristics and Spatio-temporal Distribution of Fish Schools during Summer in the Marine Ranching Area (MRA) of Yeosu using Acoustic Data" 한국수산과학회지 = Korean journal of fisheries and aquatic sciences, 47(3): 283~291 
  8. 2014. "" Fisheries and aquatic sciences, 17(3): 369~376 

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