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윤호섭(Yoon Ho Seop),정형택(Hyung Taek Jung),라성주(Sung Ju Rha),문성용(Sung Young Moon),최상덕(Sang Duk Choi) 전남대학교 수산과학연구소 2002 수산과학연구소논문집 Vol.11 No.-
For the biosystematic studies on the marine benthic invertebrates in East china Sea, a faunal and ecological study on benthos was camed out. The materials were collected from East chain sea, by qualitative and quautitative sampling methods. Bentic animals collected during the study were identified 3 phylums (Arthropoda, Mollusca, Echinodermata). The dominant species investigated in these site to the importance value were as follow : Class Cephalopoda, Class Gastropoda, and Order Decapoda (Family Penaedae, Family Portunidae) in Phylum Arthropoda and Class Stelleroidea in Phylum Echinodermata. The most dominant Phylum was Echinodermata. Based on this data we could judge a most useful faunal were Mollusca, and Anthropoda and Asterias amurensis, Acaudina molpioides in Echinodermata were most plented speceies. Eventhough we can t use of these two species in Echinodermate so, we must not forget about these plentfulness.
소음·진동에 따른 참전복(Haliotis discus hannai)의 전중량 및 먹이섭식량 변화
정형택,김영식,최상덕 한국환경과학회 2004 한국환경과학회지 Vol.13 No.6
This paper describes the amount of food consumption and the change of total weight of abalone under a vibration with noise that can be occurred due to piling work. This experiment was conducted in the aquarium in Yosu National University. In normal situation the juvenile stage shell's(total length is 1 1.5㎝) amount of food consumption was 0.81g, the middle stage shell(total length is 3~3.5㎝) was 13.61g, and the adult stage shell (Total length is 7~7.5㎝) was 43.19g per 5 organisms in 24 hours, while the experimental group was observed low numerical value compared normal groups. The abalones' food consumption and total weight in both groups, the intermittent and continuance impact with noise and vibration, was reduced during this experiment. The abalones' food consumption and total weight in the experimental groups without vibration were recorded slightly high numerical value than the experimental groups with noise and vibration. Based on this experimental data we could conjecture the noise and vibration are harmful factors to bring up a physiological stress to abalones. Especially, the vibration impact by piling works could produce a considerably unfavorable effect to the abalones than noise impact.
소음·진동에 따른 참전복(Haliotis dissus hannai)의 행동·생태학적 변화
최상덕,정형택,윤호섭,안치영,이삼노,이우범 國立 麗水大學校 환경문제硏究所 2001 環境硏究論文集 Vol.4 No.-
These days, the underwater excavation and the piling work have been commonly used to reclaim land and to build a breakwater. As the piling work generates high underwater sound pressure in all direction, various kinds of marine organisms are largely affected even if they live a long distance from the piling work. Therefore, this paper describes the relationship between the behavior of abalone(Haliotis discus hannai) of 50cm long and the environmental noise level with vibration due to the piling work. We have separated the research into two parts. The one is continuance impact, the other is intermittent impact. The following are the results obtained from the present investigation: Comparing 0.5cm/sec vibration with 50dB noise and 0.9cm/sec vibration with 60dB, the previous one show a faster reaction speed than the later one. Futhermore the later one showed that pulling up on their shell, in order to avoid the epidemic, moving around, small organisms are included to hide under big organisms, alerting posture. However we couldn't find a consistent standard in our research.
온도; pH, 염분 내성 및 충격이 개불, Urechis unicinctus 유생에 미치는 영향
최상덕,김호진,라성주,정형택,윤호섭,신종암,이원교 國立 麗水大學校 環境問題硏究所 1999 環境硏究論文集 Vol.2 No.-
The effect of different temperature, salinity and pH on survival rate of Urechis unicinctus's swimming embryo was examined to develop the method for the efficient seed production. In addition to, this study was designed to investigate the possibility of pollutant marker diagnosis of marine pollutions by the change in different temperature, salinity and pH. Treatment was carried out whit different temperature (5˚C, 10˚C, 17˚C, 20˚C, 25˚C,), salinity(0‰, 10‰, 20‰, 30‰, 34‰, 40‰) and pH(4, 6, 7.2, 8.2, 9.2, 10). All the swimming embryo of the temperature experiment was survived within all experiment section, but the others experiment were not. At the temperature-shock and tolerance experiment ranging from 5˚C to 25˚C the survival rate was occurred: 75%, 95%, 100%, 100%, 50%, at the ph-Shock experiment ranging from 4 to 10, the survival rate was occurred: 0%, 50%, 85%, 100%, 60%, 0%, at the pH-tolerance experiment ranging 4 to 10 the survival rate was occurred : 0%, 75% 90%, 100%, 80%, 0%, and at the salinity-shock experiment ranging from 0% to 40% the survival rate was occurred : 0% 10% 90% 95% 100% 0% , at the salinity-tolerance experiment ranging from 0% to 40% , the survival rate was occurred : 0% 0% 90% 100% 100% 0%. These results suggest, that the survival rate of larvae of Urechis unicinctus was the highest at 17˚C, 34%. pH8.2 and this Urechis unicinctus could be live at the zone of euryceious and zone of euryhalines
최상덕,문성용,안치영,윤호섭,정형택,이삼노,서호영 國立 麗水大學校 환경문제硏究所 2001 環境硏究論文集 Vol.4 No.-
This study was coducted to describe the distribution and appearance pattern of macrobenthos in Kamak Bay, the southern coastal of Korea. Sampling was perfound seasonally using Van Veen grab(0.1㎡) from April 2001 to December 2001. A total of 22 macrobenthic species occured: Bivalvia accounted for 12 species(55%), and Mollusca 5 species(23%). The mean density of macrobenthos was 153.9ind./㎡, a major dominant species were a Bivalvia, Paphia undulata(28.3ind./㎡), and a Cirripedia, Chthamalus challengeri(5ind./㎡), which frequency occur in the costral area. These species showed very low density at station 1 in the Kamak Bay.