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동대만 잘피밭에 서식하는 가시망둑(Pseudoblennius cottoides)의 성장과 생산량
김하원,허성회,곽석남,이인철,Kim, Ha-Won,Huh, Sung-Hoi,Kwak, Seok-Nam,Lee, In-Cheol 해양환경안전학회 2014 해양환경안전학회지 Vol.20 No.5
가시망둑(1.80~10.01 cm TL)의 성장과 생산량에 대한 연구를 동대만 잘피밭에서 2006년도에 실시하였다. 가시망둑 시료는 소형 빔트롤로 총 702개체를 채집하였다. 본 연구 결과, 가시망둑에 대한 전장(TL)의 성장식은 $TL=0.0539d^{0.9105}$, 전장과 체중의 관계식은 $W=0.0079TL^3.1103$이었다. 가시망둑의 단위면적당 밀도, 생체량, 일일생산량, 연간생산량은 각각 $0.06{\pm}0.062/m^2$, $0.10{\pm}0.144g/m^2$, $0.0005{\pm}0.0006g\;AFDW/m^2/day$, $0.1833g\;AFDW/m^2/year$이었으며, P/B의 비율은 1.813이었다. 가시망둑 생산량은 생체량의 높았던 5월과 7월 9월에 가장 높았으며(0.0029, 0.0031, $0.0019g\;AFDW/m^2/day$), 생체량이 낮았던 12월에 가장 낮았다($0.00004g\;AFDW/m^2/day$). 가시망둑의 월별 생산량의 변화에서 양의 상관관계를 보인 것은 생체량과 수온이었다. The growth and production of Pseudoblennius cottoides (1.80~10.01 cm TL) were investigated in an eelgrass bed of Dongdae Bay, Korea throughout 2006. A total 702 P. cottoides were collected with a small beam trawl. Growth in fish total length was expressed as: $TL=0.0539d^{0.9105}$. The relationships between total length body weight was estimated as $W=0.0079TL^3.1103$. The densities, biomass, daily, annual production, and P/B ratio were $0.06{\pm}0.062/m^2$, $0.10{\pm}0.144g/m^2$, $0.0005{\pm}0.0006g\;AFDW/m^2/day$, $0.1833g\;AFDW/m^2/year$, and 1.813, respectively. Monthly production of P. cottoides were greatly peak in May, July and September (0.0029, 0.0031 and $0.0019g\;AFDW/m^2/day$) when the biomass was high, and the lowest value in December (0.00004g AFDW/m^2/day) when the biomass was low. Monthly change in production of P. cottoides was positively correlated with biomass and temperature.
동대만 잘피밭에 서식하는 실비늘치(Aulichthys japonicus)의 성장과 생산량
김하원,허성회,곽석남 해양환경안전학회 2013 해양환경안전학회지 Vol.19 No.1
실비늘치(6.70~5.32 cm TL)의 성장과 생산량에 대한 연구는 동대만 잘피밭에서 2006년도에 실시하였다. 실비늘치 시료는 소형 빔트롤에 의해서 총 888개체가 채집되었다. Bertalanffy 성장식을 이용하여 구한 전장의 성장식은 Lt=24.8257(1-e-0.5583(t+0.4816))이었다. 실비늘치의 밀도, 생체량, 일일생산량, 연간생산량, 그리고 P/B ratio는 각각 0.01±0.009/m2, 0.17±0.16g/m2, 0.00006±0.00006g AFDW/m2/day, 0.02g AFDW/m2/yr, 그리고 0.12이었다. 실비늘치 생산량의 월변화는 컸으며, 7월(0.000182g AFDW/m2/day), 9월(0.000127g AFDW/m2/day) 그리고 11월(0.000123g AFDW/m2/day)에 높았으며, 4월과 5월(0.000003g AFDW/m2/day)에 가장 낮았다. 실비늘치의 생산량의 월변화는 개체수와 생체량, 그리고 성장률과 양의 상관관계를 보였다. The growth and production of Aulichthys japonicus (6.70~15.32 cm TL) were investigated in an eelgrass bed of Dongdae Bay, Korea throughout 2006. A total 888 A. japonicus were collected with a small beam trawl. Growth in fish total length was expressed by the von Bertalanffy's growth equation as: Lt=24.8257(1-e-0.5583(t+0.4816)). The densities, biomass, daily, annual production, and P/B ratio were 0.01±0.009/m-2, 0.17±0.16g/m2, 0.00006±0.00006g AFDW/m2/day, 0.02g AFDW/m2/yr, and 0.12, respectively. Monthly variation in production of A. japonicus was large; the peak occurred at July, September and November 2006 (0.000182, 0.000127 and 0.000123 g AFDW/m2/day), where as the lowest value was 0.000003g AFDW/m2/day at April and May 2006. Monthly change in production of A. japonicus was positive correlated with number of individuals, biomass and growth rate.
김하원,허성회,곽석남,Kim, Ha-Won,Huh, Sung-Hoi,Kwak, Seok-Nam The Korean Society of Marine Environment and safet 2013 海洋環境安全學會誌 Vol.19 No.1
실비늘치(6.70~5.32 cm TL)의 성장과 생산량에 대한 연구는 동대만 잘피밭에서 2006년도에 실시하였다. 실비늘치 시료는 소형 빔트롤에 의해서 총 888개체가 채집되었다. Bertalanffy 성장식을 이용하여 구한 전장의 성장식은 $L_t=24.8257(1-e^{-0.5583(t+0.4816)})$이었다. 실비늘치의 밀도, 생체량, 일일생산량, 연간생산량, 그리고 P/B ratio는 각각 $0.01{\pm}0.009/m^2$, $0.17{\pm}0.16g/m^2$, $0.00006{\pm}0.00006g$ AFDW/$m^2$/day, 0.02g AFDW/$m^2$/yr, 그리고 0.12이었다. 실비늘치 생산량의 월변화는 컸으며, 7월(0.000182g AFDW/$m^2$/day), 9월(0.000127g AFDW/$m^2$/day) 그리고 11월(0.000123g AFDW/$m^2$/day)에 높았으며, 4월과 5월(0.000003g AFDW/$m^2$/day)에 가장 낮았다. 실비늘치의 생산량의 월변화는 개체수와 생체량, 그리고 성장률과 양의 상관관계를 보였다. The growth and production of Aulichthys japonicus (6.70~15.32 cm TL) were investigated in an eelgrass bed of Dongdae Bay, Korea throughout 2006. A total 888 A. japonicus were collected with a small beam trawl. Growth in fish total length was expressed by the von Bertalanffy's growth equation as: $L_t=24.8257(1-e^{-0.5583(t+0.4816)})$. The densities, biomass, daily, annual production, and P/B ratio were $0.01{\pm}0.009/m^{-2}$, $0.17{\pm}0.16g/m^2$, $0.00006{\pm}0.00006g$ AFDW/$m^2$/day, 0.02g AFDW/$m^2$/yr, and 0.12, respectively. Monthly variation in production of A. japonicus was large; the peak occurred at July, September and November 2006 (0.000182, 0.000127 and 0.000123 g AFDW/$m^2$/day), where as the lowest value was 0.000003g AFDW/$m^2$/day at April and May 2006. Monthly change in production of A. japonicus was positive correlated with number of individuals, biomass and growth rate.
김하원 大韓免疫學會 1996 大韓免疫學會誌 Vol.18 No.4
Ganoderma lucidum is a famous Oriental medicinal fungus that has various biological activities such as inhibition of antibody production, immunosuppressive antiviral activity, inhibition of histamine release and cytotoxicity. The carpophores were extracted with hot water and fractionated into high molecular (HM) and low molecular (LM) fractions and methanol extracted fraction was further fractionated into eight fractions: GLA, GLB, GLC, GLD, GI .E, GLF, GLG and GLH. When the peripheral blood mononuclear cell (FBMC) was cultured for 5 days in the presence of various concentrations of the HM and LM, both fractions did not affect the cell proliferation when measured by [3H]-thymidine incorporation. However, methanol extracted fractions suppressed cell proliferation in a concentration-dependent manner. Among them, GLC, GLE and GLG fractions led to the significant inhibition even at 10 ug/ml concentration. Upon stimulation of human Jurkat T cells with HM or LM for 30 seconds at various concentrations, dephosphorylation of protein tyrosine was observed in 50 kDa and 30 kDa proteins. On the contrary, phosphorylation of protein tyrosine occurred at 47 kDa protein when the- cells were treated with HM or LM at concentration dependently ranging from 1 ug/ml to 10 mg/ml. These data indicate that HM or LM rapidly activates intracellular protein tyrosine kinase and phosphatase that might be involved in signal transduction pathway.