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우리나라에 분포하는 꼼치(Liparis tanakae )의 생 식생태와 어업경영에 관한 연구
송세현 ( Se Hyun Song ),이해원 ( Hae Won Lee ),전복순 ( Bok Soon Jeon ),김희준 ( Hee Jun Kim ),정재묵 ( Jae Mook Jung ),오택윤 ( Taeg Yun Oh ) 한국수산해양기술학회(구 한국어업기술학회) 2021 수산해양기술연구 Vol.57 No.1
This study analyzed the reproductive biology, fishing characteristics and changes in fishing business of Liparis tanakae, snailfish collected from September to March. It was the period when they were mainly caught from 2018 to 2020. The average length was generally small in September and October and was large in January and February. The average body weight was generally around 1,500 g and the average body weight in autumn was lower and in winter was higher. The sex ratio of male and female was 0.40:0.60 (χ <sup>2</sup> test, p < 0.05). The spawning period was estimated from October to February and the main spawning period was from December to February through the GSI. The egg diameter of matured staged female L. tanakae was 0.11-1.48 mm, which was the main spawning period and the relationship between body weight and fecundity was F = 1849TL<sup>0.1093</sup> (r<sup>2</sup> = 0.2401). The monthly catch of L. tanakae was high from November to February, the time of migrating to the coastal area. Coastal gillnet fishery showed the highest percentage of all fisheries catching Liparis spp. Liparis spp. were caught at a high rate in winter in Chungnam, Jeonbuk, Jeonnam and Gyeongnam region, and revenue and cost was increased since 2017. Assuming a situation where there is no catch of Liparis spp., the fishing profit that can be obtained was the highest in Gyeongnam region and the dependence on fishing of Liparis spp. by coastal gillnet fishery was high.
송세현 ( Se Hyun Song ),정재묵 ( Jae Mook Jeong ),유준택 ( Joon Taek Yoo ),김희용 ( Hee Yong Kim ) 한국수산해양기술학회(구 한국어업기술학회) 2018 수산해양기술연구 Vol.54 No.3
A study for species composition and abundance of the fish assemblages in the coastal Sacheon Bay, Korea were conducted using monthly collection by a shrimp beam trawl from March 2015 to February 2016. The number of individuals, biomass and species diversity indices fluctuated with the station and month. Of all 73 species collected, the dominant species in terms of numbers were Liparis tanakae, Zoarces gillii, Amblychaeturichthys hexanema, Ricuzenius pinetorum and Pleuronichys cornutus. The peak number of fishes occurred in March and April, whereas the biomass of fishes was highest in April. The numbers and biomass of fishes were lower in February corresponding with the low temperature, and diversity indices were highest in June. Due to those seasonal difference in abundance of the dominant species, fish community were divided into three main groups. In addition, seasonal difference by station of fish community were devided into four main groups. Juvenile fishes of coastal Sacheon were presented during the study period. It presented that the study area served as an important role in spawning and nursery ground for fisheries resource.
해파리 출현빈도에 따른 여수 정치망어업의 경영실적 고찰
송세현 ( Se Hyun Song ),이상고 ( Sang Go Lee ),김희용 ( Hee Yong Kim ) 한국수산해양기술학회 2015 수산해양기술연구 Vol.51 No.1
According to the catch condition of Scomberomorus niphonius in autumn season affected greatly, the catch price for the set net fishery. Catch production and the selling price were relatively even except 2009 showing a great big blooming jellyfish of Nemopliema nomurai in 2008∼2011. The fishing cost of the set net fishery in Yeosu has increased gradually by the decrease of catch production and unexpected environmental change like as jelly fish blooming. The increase of fishing cost diminished net income and caused a negative impact in profitability. The lowest Fisheries ratio of gross profit to gross costs the set net fishery were appeared 60.2% in 2010, respectively. Bycatch was highest in 2008 and lowest in 2009. In general, the bycatch was occurred from May to July every year and when Scomber japonicus was most dominant in the catch price by bycatch had a advantage in the profit side. However, the catch increase of immature small fishes by the bycatch, which will bring about the decrease of fisheries resources. Finally, the present state in set net fisheries will act as a defect on the long-term management of fisheries resources.
제주도 주변 해역에 출현하는 고등어 (Scomber japonicus)의 위내용물 조성
박현솔 ( Hyun-sol Park ),김소라 ( So Ra Kim ),송세현 ( Se Hyun Song ),김창신 ( Chang Sin Kim ) 한국어류학회 2023 韓國魚類學會誌 Vol.35 No.2
The diet composition of chub mackerel Scomber japonicus were studied using 959 specimens collected in the coastal waters of Jeju Island, Korea from January to November 2022. The size of the specimens ranged from 22.8 to 45.8 cm in total length. S. japonicus were fed mainly on euphausiids that constituted 77.7% in IRI. Fishes were the second largest prey component. Its diet also includes small quantities amphipods, copepods, shrimps, crabs and cephalopods. The diet composition of S. japonicus showed changes in season. The euphausiids feeding rate was highest in summer, whereas the proportion of fishes was higher in winter than in other seasons. The proportion of fishes has increased as the body size of S. japonicus increased, whereas the proportion of euphausiids decreased gradually. As the body size of S. japonicus increased the mean weight of prey per the stomach (mW/ST) tended to increase significantly (One-way ANOVA, P<0.05).
김희용 ( Hee Yong Kim ),송세현 ( Se Hyun Song ),이선길 ( Sun Kil Lee ),김종빈 ( Jong Bin Kim ),유준택 ( Joon Taek Yoo ),장대수 ( Dae Soo Jang ) 한국어업기술학회 2013 수산해양기술연구 Vol.49 No.3
The annual and monthly fluctuation in the species composition and the catch abundance of dominant species were analyzed using the daily sales slip catch data by a set net in the offshore waters off Dolsan Island in Yeosu from March 2004 to December 2011. Mean catch from 2004 to 2011 is 372M/T and the maximum and the minimum catch are 526 M/T in 2005 and 27 2M/T in 2009, respectively. The dominant species were Engraulis japonicus mainly in spring and Scomberomorous niphonius in Autumn and therefore the set net catch that is dominated by S. niphonius`s catch was much higher in autumn than in spring. Through comparative analyses for the environmental factors to the annual catch fluctuation, it is revealed that the water temperature variation affected the recruitment property of S. niphonius to the fishing ground but the effect of typhoon on the catch fluctuation was not distinct. Furthermore, the big blooming event of jellyfish, particularly Nemopilema nomurai, that occurred in 2009 showed a tendency of faster appearance and later extinction until December. The occurring characteristic of N. nomurai became a direct cause that brought about the lowest total catch in 2009 since the dominant species catch of the set net fishery was concentrated mostly in Autumn.
이상 고수온에 따른 남해안 멸치 알과 자어 분포 및 어획량 변동 특성
유준택 ( Joon-taek Yoo ),김영혜 ( Yeong Hye Kim ),송세현 ( Se Hyun Song ),이승환 ( Seung Hwan Lee ) 한국수산해양기술학회(구 한국어업기술학회) 2018 수산해양기술연구 Vol.54 No.3
We examined the characteristics of egg and larval distributions and catch changes of anchovy in relation to abnormally high sea temperature in the South Sea of Korea in summer 2015 and 2016. The densities of anchovy eggs and larvae in the southern coastal region were lower in July-August 2016 than in July-August 2015. In particular, anchovy eggs and larvae (approximately 5 mm TL) were rarely observed in the coastal region in August 2016 due to the abnormally high SST (up to 28°C), which was above the optimum spawning temperature of anchovy. The catch of non-swimming stage (< 2 cm TL) larval anchovy was lower in July-August 2016 than in July-August 2015. The decreased catch of larval anchovy in July-August 2016 could be attributed to decreased spawning density in June-July 2016. In contrast, the catch of swimming stage ( > 2 cm TL) anchovy was increased in July-August 2016. In the summer of 2016, prominent sea temperature near the southern coast of Korea and sea temperature higher than 30°C in the offshore region of the South Sea of Korea could greatly enhance the retention of swimming anchovies in the coastal fishing grounds.
통영 연안에서 채집된 감성돔 (Acanthopagrus schlegelii)의 산란시기와 성전환
이해원 ( Hae Won Lee ),정재묵 ( Jae Mook Jeong ),유효재 ( Hyo Jae Yu ),황강석 ( Kang Seok Hwang ),오시은 ( Si Eun Oh ),송세현 ( Se Hyun Song ) 한국어류학회 2021 韓國魚類學會誌 Vol.33 No.1
본 연구는 연안에 서식하는 감성돔의 산란생태학적 연구를 위해 2020년 2월부터 2021년 1월까지 통영 연안에서 어획된 시료 총 470개체 (가랑이체장 20.5∼50.2 cm)를 대상으로 하였다. 통영에 서식하는 감성돔의 월별 생식소숙도지수 (GSI) 변화를 통해 암수 모두 동일한 양상을 보이며 4∼5월이 산란시기로 추정되었고, 연 1회 산란하는 것으로 확인되었다. 조직학적 검경을 통해 수컷에서 암컷으로 성전환하는 과정을 확인하였으며, 전기자웅동체 (MF)는 20.5∼39.6 cm에서 보였고, 후기자웅동체(FM)는 26.4∼50.2 cm에서 보였다. 난경은 0.02∼0.60mm 범위였으며, 2월에 평균 난경은 0.09mm로 가장 작았고, 8월에 평균 난경은 0.43mm 가장 높았고, 포란수는 277,148 (33.9 cm)∼2,772,421 (34.1 cm)립의 범위를 보였다. This study sought to reveal spawning period and sex inversion of black seabream, Acanthopagrus schlegelii collected off the coast of Tongyeong, Korea. The monthly gonodosomatic index (GSI) showed the same pattern of between both sexes, and it was estimated that black seabream spawned once a year (between April and May). Histological examination revealed the transition from male to female sex, size of fork length bisexual gonad with ovarian (primary hermaphrodite; progress from male to female, MF) was seen at 20.5 to 39.6 cm and bisexual gonad with testicular (post hermaphrodite; female development and Male degeneration, FM) was seen at 26.4 to 50.2 cm. The egg diameters was in the range of 0.02 to 0.60 mm, with the smallest average egg diameter of 0.09 mm in February, the highest average egg diameters of 0.43 mm in August, and the range of fecundity was number of eggs 277,148 (33.9 cm) to 2,772,421 (34.1 cm).
생체시료중 로바스타틴산의 분석조건 설정 및 로바스타틴 제제의 생물학적 동등성
이상길,최성업,조성완,전홍렬,전호성,신현우,송세현,최영욱 중앙대학교 약학연구소 1999 약학 논총 Vol.13 No.-
Lovastatin acid (LVA), a lovastatin(LV) hydroxy acid biotransformed by liver microsomal CYP3A, is a specific and potent inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase, the rate limiting enzyme in the de novo synthesis of cholesterol. A fast, simple and accurate method for determining of LVA in human plasma has been developed and validated. This HPLC method involves column switching system with UV detection. The procedure was linear from 0.5 to 50ng/㎖ for LVA. The interday and intraday validations for coefficient of variation(CV(%)) and relative error(RE) were less than 10%. Based on this analysis methods, bioequivalence of two lovastatin tablets, the Mevacor^TM(Choong-Wae Phrmaceutival Co., Ltd.) and the Lovarex^TM(Sam-A Pharmaceutical Co., Ltd.), was evaluated according to the guideline of KFDA. Sixteen normal male volunteers (age 21∼27 years old) were divided into two groups and a randomized 2×2 cross-over study was employed. After oral administrations of four lovastatin tablets(80㎎ of lovastatin), blood sample was taken at predetermined time intervals and the concentration of lovastatin acid in plasma was determined by HPLC with column switching system. The pharmacokinetic parameters(AUCo→_12h, C_max, T_max) were calculated and ANOVA was introduced for the statistical analysis of parameters. The results showed that the differences in AUCo→_12h, C_max, and T_max between two tablets were 0.17%, -10.14% and 9.67%, respectively. The power (1-β) for AUCo→_12h, C_max, and T_max were 89.6%, 93.1% and 89.1%, respectively. Detectable differences(Δ) and confidence intervals were all less than ±20%. All of these parameters met the criteria of KFDA guidelines for bioequivalence, indicating that Lovarex^TM tablet is bioequivalent to Mevacor^TM tablet.