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해상 실험에 의한 침하식 해삼 양성 기구의생물학적 성능 평가
오무환 ( Moo Hwan Oh ),권인영 ( In Yeong Kwon ),김태호 ( Tae Ho Kim ) 한국어업기술학회 2014 수산해양기술연구 Vol.50 No.2
The sea cucumber, Apostichopus japonicus, is becoming an important aquaculture species in China, Japan and Korea. The purpose of this study is to evaluate the biological performance of a tubular type of subsurface cage for sea cucumber grow-out by in-situ tests. The cage structure was constructed of PP (polypropylene) frames and PP tubes (Φ130 mm×24 pieces). A set of tests were conducted at a depth of 15 m near Seosaeng, Ulsan, Korea for 295 days (23 July, 2012 to 13 May, 2013). A total of 155 sea cucumbers were used and fed a mixed diet containing mud, mineral, wheat, fish meal, etc (3% of their body weight). At the end of the experiments, sea cucumber showed a higher survival rate in feed shelter (77.14%) rather than no feed shelter (64.71%). The specific growth rate (SGR) of sea cucumbers in feed condition (0.04% day-1) was higher than that of no feed culture animals (-0.49% day-1) during total experimental periods. The result was able to find a no significance difference in survival rate but a significance difference in SGR under feed and no feed treatments.
실내 수조에서 왜문어(Octopus vulgaris)의 먹이 선택성과 실험용 가두리에서의 성장률 및 생존율 비교
권인영(In-Yeong Kwon),오무환(Moo-Hwan Oh),강소희(So-Hee Kang),김대성(Dae-Seong Kim),이동주(Dong-Ju Lee),윤호섭(Ho-Seop Yoon),김태호(Taeho Kim) 전남대학교 어업기술연구소 2013 어업기술연구소보고지 Vol.6 No.1
The purpose of this study is to examine the feed selectivity of octopus (octopus vulgaris) and the survival and growth rates of octopus in two cage models (tube and den type) set up in the indoor water tank. The two trial tests (feed selectivity and ongrowing) were conducted for 14 days (13 September to 26 September, 2012) and 25 days (15 May to 8 June, 2012), respectively. The size of fishing pot used in the feed selectivity was 300D×615L ㎜. The frame of two cage models were made of poly propylene pipe and the sizes of cage models were 1070L×500B×330D ㎜, composed of plastic pots (Φ120 ㎜×8 pieces) in tube type cage and 980L×460B×570D ㎜, constructured of PVC pipes (Φ70 ㎜) for den was. In the experiments, the water temperatures ranged from 15 to 16℃ and salinity was 33 psu. A total of 2 specimens (body weight: 700-1100 g) in the case Ⅰ and 20 specimens (body weight: 594±127.60 g) in the case Ⅱ were used. The feed used in the tests were crab, mussel, mackerel and manila clam and food ratio was 3-8% of body weight. The results of the experiment (e.g. biological parameters) were analyzed with the statistical computer package SPSS ver. 20. According to the results of case Ⅰ experiments, crab (51%) and mackerel (38%) were high in feed selectivity of octopus. The survival rate (80%) of octopus in den type model were higher than that (33.3%) of tube type model. The reason of high mortality in tube type model is estimated to stress suffered form a small space. Further study was needed to draw more accurate results considering the improvement of cage model structure and test conditions like noise, intensity of illumination, etc.
도시고속도로 합류영향권상에서의 속도예측모형 구축에 관한 연구
김태곤(Kim Tae Gon),김승길(Kim Seung Gil),신광식(Shin Kwang Sik),권인영(Kwon In Yeong) 대한토목학회 2007 대한토목학회논문집 D Vol.27 No.1D
일반적으로 도시고속도로는 대도시의 도시교통체계에 있어서 중요한 역할을 수행하고 있다. 그러나 우리나라에 있어서 대부분의 도시고속도로는 출퇴근시간대에 관계없이 유입연결로의 합류영향권내에서 교통정체가 발생하고 있고, 특히 출퇴근시간대에는 교통량의 집중으로 도시고속도로의 유입연결로 합류영향권내에서 극심한 교통체증을 겪고 있다. 따라서 이 연구의 목적은 도심지역과 부도심지역을 연결하는 도시고속도로의 유입연결로를 중심으로 합류영향권내 상류부, 하류부 및 연결로의 교통특성을 파악하고, 교통특성의 상호관계를 비교 분석하며, 비교 분석된 교통특성을 중심으로 합류영향권내 하류부에서의 속도예측모형을 구축하고자 하는 것이다. Generally urban freeway plays a key role in the urban transportation system of the big city. However, urban freeways are having a congestion problem on the ramp merge influence areas regardless of the rush hour in Korea. During the rush hours, particularly, serious traffic congestion occurs in the merge influence areas of the urban freeway in Korea. Thus, the purpose of this study was to identify the traffic characteristics in the merge influence areas close to the urban or suburban areas, compare and analyze the correlations between the traffic characteristics in the merge influence areas, and finally develop the speed predictive models at the downstream locations based on the correlations between the traffic characteristics at the upstream and ramp locations in the merge influence area.
실내 수조에서 수온 변화에 따른 해삼(Apostichopus japonicus, Selenka)의 운동 패턴
오무환(Moo-Hwan Oh),권인영(In-Yeong Kwon),김보라(Bo-Ra Kim),신종훈(Jong-Hun Shin),유화현(Hwa-Hyeon Yu),윤호섭(Ho-Seop Yoon),김태호(Taeho Kim) 전남대학교 어업기술연구소 2013 어업기술연구소보고지 Vol.6 No.1
A series of experiments on the movement patterns of sea cucumber (Apostichopus japonicus) to the change of water temperature (10, 13, 16, 19 and 21℃) were carried out in the indoor water tank. The experiments consisted of the preliminary test (Case 1) and formal experiments (Case 2). In case 1 test, the moving patterns of sea cucumbers inside model cage set up in water tank was examined with naked eye observation. In addition, the moving speed and distance of total sea cucumbers in water tank were analyzed based on the image of video camera and PVS program in the case 2 test. The initial body wet weights of sea cucumber were 33.1±11.3 g in case 1 and 52.9±15.3 g in case 2 , respectively. The movement patterns of sea cucumbers were observed using video camera for 12 hours a day. The movement pattern of sea cucumber showed the highest activity at 10℃ of water temperature. The maximum moving distance and speed of sea cucumber were about 0.78m and approximately 0.028 cm/s at 10℃, respectively. The minimum moving distance and speed of sea cucumber were about 0.01m at 19℃ and approximately 0.0048cm/s at 21℃, respectively. It was observed that the optimum water temperature for the movement of sea cucumber was about 10℃.
완도 육상 해수 양식장과 조위관측소의 수질 환경 데이터 비교 분석
예성빈(Seoung-Bin Ye),권인영(In-Yeong Kwon),김태호(Tae-Ho Kim),박정선(Jeong-Seon Park),한순희(Soon-Hee Han),정희택(Hee-Taek Ceong) 한국전자통신학회 2021 한국전자통신학회 논문지 Vol.16 No.5
육상 양식장 수질 모니터링 시스템의 데이터 신뢰도 향상 및 효율적 시스템 운영을 위하여 현재 시험 운영중인 육상 해수 양식장과 해양환경정보망(완도조위관측소)의 수질 데이터를 비교 분석한다. 또한 수질 모니터링 시스템의 데이터 오류를 제거하고, 측정 데이터의 신뢰도를 높이는 방법으로 데이터 유효성 검증, 데이터 범위 필터, 데이터 변위 검사를 적용하여 비교 분석한다. To improve the data on reliability of the onshore fish farm water quality monitoring system and operate the system efficiently, the water quality data of the onshore seawater fish farms which are progressing test operation, and the marine environmental information network(Wando tidal station) were compared and analyzed. Furthermore, data validation, data range filters, and data displacement checks were applied to analyze the data in a way that eliminates the data errors in water quality monitoring systems and increases the reliability of measurement data.