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강릉 남대천에서 소상하는 연어(Chum salmon, Oncorhynchus keta) 분포와 행동 특성
김범식,정용우,김우보,홍성익,이충일,Kim, Beom-Sik,Jung, Yong-Woo,Kim, Woobo,Hong, Sung-Eic,Lee, Chung Il 한국환경과학회 2022 한국환경과학회지 Vol.31 No.10
The Namdae stream in Gangneung-si is one of the rivers where salmon stock is mainly maintained by natural spawning rather than artificial seedlings. There are structures including weir, and fish distribution and movement characteristics can be different by these structures. In this study, we investigated the distribution and behavioral characteristics of salmon by sighting survey within 12 km immediately upstream of the river mouth between October 2021 and February 2022. As a result, salmon distributed within 9 km from rivermouth. There were more salmon in the lower reaches of Doosan weir than in the upper reaches of that. The main spawning ground for salmon was between 7-9 km from rivermouth and around the lower part of Doosan weir. Salmon behaved for spawning in the gravel-bed area and undercut slope of the mainstream, such as mating, digging the riverbed, and competition among males. Salmon moved more slowly in the gravel-bed area than sand-bed area. Doosan weir hinders the spawning migration of salmon by frequent flow changes and terraced fishway. This study provides primary information to understand the ecological changes of salmon by environmental changes in the Namdae stream.
연곡천 하류에서 소상하는 연어(Chum salmon, Oncorhynchus keta)의 이동특성
김범식,정용우,정해근,박주면,이철호,이충일,Kim, Beom-Sik,Jung, Yong-Woo,Jung, Hae-Kun,Park, Joo-Myun,Lee, Cheul Ho,Lee, Chung Il 한국환경과학회 2020 한국환경과학회지 Vol.29 No.9
This study described the characteristics of the upstream migration of salmon (Chum salmon, Oncorhynchus keta) along Yeon-gok Stream in the eastern coastal region of Korea from October 24 to November 9, 2018 using radio tag and data storage tag loggers for the detection of the locations of tagged salmon and measurement of water temperature. Tracking experiments were conducted and classified into four types (case 1 to case 4) depending on the release time and the number of salmon tracked. Experiments from case 1 to case 3 were classified depending on the number of salmon tracked into cases in which a single tagged salmon was tracked (case 1), a pair of tagged salmon was tracked (case 2), and salmon were tracked by different sex ratios (case 3). Experiments from cases 1 to 3 were conducted between 10 AM and 1 PM, and case 4 was conducted after 3:30 PM. Salmon moved and spawned in the downstream region of the Yeon-gok, where water temperature is higher than in other rivers and salmon return in Canada, Russia, Japan, and the U.S.A. Most of the radio-tagged salmon swam in deep and shaded areas during the day but actively moved upstream close to sunset, regardless of the release time. Females showed relatively more active movements than males during upstream migration.
글루타르알데하이드 고정 소심 낭막에서의 내피세포 증식에 대한 글루탕산 및 파라벤용액의 효과
김범식,이문환,유세영,김원곤,Kim, Beom-Sik,Lee, Mun-Hwan,Yu, Se-Yeong,Kim, Won-Gon 대한흉부심장혈관외과학회 1996 Journal of Chest Surgery (J Chest Surg) Vol.29 No.1
The conventional glutaraldehyde (GA) fixation method of tissue valves is considered to be responsible for accelerated valve degeneration. The release of toxic GA from the valve tissue is believed to limit endothelial cell (EC) ingrowth. Removal of toxic GA by reaction with L-glutamic acid and storage in a Paraben solution may offer good EC growth. To investigate the conditions for endothelialization of tissue valves, the growth properties of ECs on the conventionally and alternatively treated pericardial tissue were compared. Conventional preparation included zero-pressure fixation for 72 hours in phosphated-buffered saline (PBS) solution containing 0.5% GA at 4$^{\circ}C$ and storage into PBS containing 0.2% GA(group I). Alternatively treated pericardial tissues were divided into three postfixation treatment groups : (1) storage in PBS solution containing Paraben(group II), (2) treatment with PBS containing 8$^{\circ}C$ L-glutamic acid(PH 7.35) and storage in PBS solution containing Paraben (g oup III), (3) treatment with L-glutamic acid dissolved in distilled water (PH 3.5) (group IV). Pericardial tissue were transferred into the 24-well plate after storage for 4 weeks. ECs were harvested enzymatically from the bovine pulmonary artery and grown to confluence on culture flask surfaces. Detached ECs by trypsin were incubated into the each well of the 24-well plate including test pericardial tissues. Cells were detached by trypsin, 1, 2, 3, 5, 7 days after incubation and counted on the hemacytometer. Cell viability test was performed by frypan-blue exclusion method. Acute cell death in the group I were found even after prolonged washing. The group II showed prolonged cell survival compared with the group I. Both group III and group IV showed better cell growth than group II. There was no statistically significant difference between group III and group IV method in terms of EC growth. This results suggest that treatment by L-glutamic ac id and storage in a Paraben solution be a promising approach for improvement of durability of GA-treated tissue valves.
김범식(Beom Sik Kim),김정수(Jung Soo Kim) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.30
The purpose of this study was examince relationship between customer satisfaction and patterns of ticket purchase of cycle racing customers. The subjects in this study were 1,327 adults over 19 years old selected from the popluations of 16 off-tracks betting place. The statistical techniques employed in this study was multiple regression. The findings of this study were as below: First, product satisfaction such as night racing and fairness have effects on the frequency of visiting off-tracks betting place, and satisfaction of betting types and cybet-zone have influence on frequency of ticket purchase per a day. Second, satisfaction with parking lot has influence on the frequency of visiting off-tracks betting place, satisfaction with smoking room has effects on the frequency of ticket purchase per a day, and place satisfaction such as ticketing windows and dining room have influence on the total amount of daily betting money. Third, betting limit per once has influence on the frequency of visiting off-tracks betting place and the total amount of daily betting money, and entrance fee has effect on the frequency of visiting off-tracks betting place and the frequency of ticket purchase per a day. Fourth, promotion satisfaction such as gifts and events influence on the frequency of visiting off-tracks betting place, and satisfaction with homepage, cultural program, and clinic of the cycle and the motorboat racing also have effect on the total amount of daily betting money.
종목 특성에 맞게 수정, 보완된 플라이오매트릭 훈련이 인라인 롤러 스피드 스케이팅 선수들의 경기력 수준에 미치는 영향
김범식 ( Beom Sik Kim ),전승훈 ( Seung Hoon Jeon ),정부경 ( Bu Kyung Jung ),조인호 ( In Ho Cho ) 한국체육대학교 체육과학연구소 2014 스포츠사이언스 Vol.31 No.2
The purpose of this study is to investigate the modified plyometric trainng related inline roller skating on body composition, power, isokinetic strength(ankle, knee) and performance of inline roller speed skater· For this study, high school inline roller speed skaters(n=8) were participated and assigned into control group(general plyometric training, n=4) and experimental group(modified plyometric training, n=4)· All subject were performed each training for eight week(3day/week-1); body composition, power, isokinetic strength(ankle, knee) and 1000m speed skating(record, heart rate, lactate) were measured before and after training exercise· We founded no significant difference in the body composition, isokinetic strength and power(ankle, knee) and 1000m speed skating(record, heart rate, lactate) within and between treatment and group· Further study need to investigate the modified plyometric training related sport event for improving performance for not only inline skater but also all sport player who need more power with more scientific approach·