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동복천수계에 서식하는 수서곤충의 (水棲昆蟲) 군집에 (群集) 관한 연구
조영관,백순기,김종선,나철호 ( Young Gwan Cho,Soon Ki Baik,Jong Sun Kim,Chul Ho Ra ) 한국하천호수학회 1993 생태와 환경 Vol.26 No.4
The total taxi of aquatic insects in the Tongbok stream were 78 species, 54 genera, 29 families in 8 orders. Among them, major groups were mayflies(24 species) and caddiesflies(17 species). The seasonal species number of collected specimen were similar, that is, they occurred 44 species in winter, 45 species in spring and summer respectively, and 39 species in autumn. In proportion of individuals at this surveyed stream, caddisflies were the highest(42%) and mayflies were 30%. Mostly dominant species were belonged to caddisflies and mayflies. Above all, Hydropsyche KUb and serratella rufa were dominant species. Dominant indices ranged from 0.25∼0.88. Species diversity indices showed 1.14∼4.29.
보성강 (寶城江) 및 이사천 (伊沙川) 수계의 (水系) 수서곤충 (水棲昆蟲) 군집에 (群集) 관한 연구
나철호,백순기,조영관,황수옥 ( Chul Ho Ra,Soon Ki Baik,Young Gwan Cho,Su Ok Hwang ) 한국하천호수학회 1989 생태와 환경 Vol.22 No.2
The aquatic insect fauna and their community structure in the Poso^˘ ng River System and Isa stream in Chonnam, Korea was studied from August 1987 to April 1988. The total number of taxa was 99 species, 54 genera, 22 families in 8 orders in the Poso^˘ ong River System and 62 species, 39 genera, 21 families in 8 orders in the Isa stream. The major groups were Ephemeroptera and Trichoptera in two catchment. The fauna was dominated numerically by Ephemeroptera (47%) in the Posoo^˘ ng River System and by Trichoptera (61%) in the Isa stream. Ephemeroptera, Trichoptera and Diptera were relatively more abundent during the spring season. Mostly Dominant species belonged to Ephemeroptera and Trichoptera in the Posoo^˘ ng River System and in the Isa stream was Hydropsyche orientalis. Dominant indices ranged from 0.19 to 0.95 in the surveyed stream. Species diversity indices showed 1.97-3.45 in studied stream.
담수산 이매패 펄조개를 이용한 흐름형 유기물 제어(CROM) 운영-퇴적물의 영향
김백호 ( Baik Ho Kim ),백순기 ( Soon Ki Baik ),황수옥 ( Su Ok Hwang ),황순진 ( Soon Jin Hwang ) 한국하천호수학회(구 한국육수학회) 2009 생태와 환경 Vol.42 No.2
국내산 담수 이매패 펄조개를 이용하여 부영양 저수지의 표층수를 실험실로 유입?처리하고 처리수는 다시 저수지로 환원하는 이른바 `흐름형 유기물 제어’ (CROM: continuous removal of organic matters) 기술을 개발하고 하천에서 채취한 모래퇴적물의 첨가가 유기물 제어와 수질에 어떠한 영향을 주는지 조사하였다. CROM은 크게 저류조, 조정조, 처리조, 분석조 등으로 이루어졌으며, 실험은 처리조에 현장수, 현장수+모래, 현장수+패류, 현장수+모래+패류 등을 각각 구성하여 유입속도는 18~25 Lh-1, 패류밀도는 486.1 indiv. m-2, 수온은 15~22℃ 범위에서 13일간 실시하였다. 유기물 및 수질 변화를 확인하기 위하여 매일 동일한 시간에 수온, pH, DO, 전도도, 탁도, 염분도, 엽록소 a, 부유물질, TN, TP, NO2, NO3, NH3, PO4 등을 측정하거나 채수하여 곧바로 분석하였다. 연구결과, 미처리수의 반송이 패류의 유기물 제어에 큰 영향을 미치지 않았으며 퇴적물의 첨가에 상관없이 실험기간 동안 80% 이상 유기물(부유물질 및 Chl-a)을 감소시켰으나 높은 농도의 암모니아와 인산 등을 배출하였다. 결국 한국산 이매패 펄조개를 이용한 CROM 운영효과는 매우 뚜렷하였으나 장기간 운영시 유기물 제어능 및 패류 생존율에 미치는 다른 요인들-수온, 미생물, 세정주기 등의 변화가 예상되며, 처리수에 대한 처리 및 활용에 대한 다각적인 연구가 뒤따라야 할 것으로 사료되었다. A `continuous removal of organic matters (CROM) system` using a native freshwater bivalve in Korea Anodonta woordiana, was developed to determine its potential of controlling various sestons in eutrophic lake system, and to evaluate its effect on water quality improvement under consideration of sediment addition as habitat. We designed CROM experiments with four treatments: no mussels and no sediment (W, negative control), no mussels and sediment (WS, positive control), mussels and no sediment (WM), and mussels and sediment (WMS). The experiments were performed at the condition of 18~25 L h-1 of inflow, mussel density of 486.1 indiv. m-2, and temperatures between 15 and 22℃ for 13 consecutive days. Physicochemical and biological parameters were measured at daily (10:00 am) intervals after the mussel addition. Results indicated that mussel stockings without addition of sediment effectively removed sestons (suspended solids and chlorophyll-a) at nearly same level over 80 percentage of the control during the study, while there were no differences in removal activities of sestons between with and without sediment (P>0.5). Therefore, it clearly suggests that CROM system using A. woordiana has a strong potential to control the seston in surface water of eutrophic lake.
무등산 (無等山) 주료 계곡에 서식하는 수서곤충 (水棲昆蟲) 군집에 (群集) 계절 변화에 관한 연구
나철호,백순기,조영관 ( Chul Ho Ra,Soon Ki Baik,Young Gwan Cho ) 한국하천호수학회 1991 생태와 환경 Vol.24 No.1
The total taxa of aquatic insects in main valley of Mt. Mudu^˘ ng were 75 Species, 51 Genera, 28 Families in 7 Orders. Among them, Ephemeroptera containing 23 species (31%), Plecoptera 20 species and Trichoptera 20 species were major groups. Especially, 10 species of Haptageniidae and 11 species of Rhyacophilidae were occurred. And also, in most cases their habitat was stream of mountain valley. In proportion of individuals at these three valleys, Ephemeroptera was the highest (30%), Plecoptera and Trichoptera were over 20% respectively. The seasonal number of collected species was similar, that is, 41 species occurred in Autumn, 46 species in Winter, 51 species in Spring and 45 species in Summer. Mostly dominant species were belonged to Ephemeroptera and Plecoptera. Above all, Epeorus curvatulus and Oyamia coreana were dominant species. And dominant indices ranged from 0.23 to 0.75. Species diversity indices showed 2.07∼4.29.
황용강수계에서의 (黃龍江水系) 저서동물의 (底棲動物) 계절적 분포와 생물학적 수질평가에 관한 연구
조영관,배석진,백순기,나철호 ( Young Gwan Cho,Seok Jin Bae,Soon Ki Baik,Chul Ho Ra ) 한국하천호수학회 1996 생태와 환경 Vol.29 No.3
The benthic macroinvertebrates in the Hwangryong river occurred 51 species, 42 genera, 26 families, 10 orders, 5 classes in 3 phyla. Among them, aquatic insects containing 44 species were the major group comparing 84.6% of the whole. In particular, a great many Ephemeroptera containing 17 species occurred and Megaloptera were found only in 2 species. Also, there were 4 species of Trichoptera. The comparison of species at each site revealed the largest number of 29 species at site 2 and 3 respectivly, and the smallest was 18 species at site 1. The seasonal number of collected species were similar, as followers; 30 species occurred in winter, 25 species in spring, 28 species in summer, and 22 species in autumn. On comparing individual numbers in this survey, Ephemeroptera were the highest (50%) and Trichoptera were 37%. The most dominant species belonged to Trichoptera and Ephemeroptera. Above all, Uracanthella rufa and Cheumatopsyche brevilineata were dominant. Dominant indices ranged from 0.46 to 0.94. Species diversity indices ranged from 1.04 to 3.00. According to the saprobic system based on the species diversity indices of benthic macroinvertebrates, water quality was β-mesosaprobic in each site. The biological water quality as biotic indices was evaluated from α- to β-mesosaprobic, the pollution indices evaluated β-mesosaprobics, the simple water quality evaluation revealed secondary water quality criteria and the GPI evaluated ranged from oligosaprobics to β-mesosaprobics. The biological water quality evaluation by these indices proved similar to the results of chemical analysis.
저서동물을 (底棲動物) 이용한 증암천 (甑岩川) 상류 하천의 생물학적 수질평가
조영관,박병훈,백순기,김종선,나철호 ( Young Gwan Cho,Byoung Hoon Park,Soon Ki Baik,Jong Sun Kim,Chul Ho Ra ) 한국하천호수학회 1996 생태와 환경 Vol.29 No.3
The taxa of benthic macroinvertebrates in the upper region of the Cheungam stream was composed of 76 species, 61 genus, 41 families, 13 orders, 4 classes in 3 phyla. Among them, aquatic inserts containing 71 species (93%) were the major group. According to order, Ephemeroptera containing 26 species was abundant, and Trichoptera containing 19 species, Plecoptera 13 species an? Diptera 11 species were the major taxa. The seasonal species number of collected specimens was most numerous in spring (57 species) and similar in other seasons (41∼44 species). On the one-to-one propotion, Ephemeroptera were the highest (52%), and Trichoptera was 19%, Diptera 16%, Plecoptera 9%. DOminant Species were Epeorus, Cincticostella castanea, Serratella rufa and Hydropsyche belonging to Ephemeroptera and Trichoptera. Dominant indices ranged from 0.34∼1.00. Species diversity indices showed 0.00∼3.82. According to saprobic system based on the species diversity indices, water quality was evaluated to be oligosaprobic and β-mesosaprobics. The biological water quality as in biotic and pollution indices was evaluated oligosaprobic in site 1, 2 and 6 and β-mesosaprobics in site 3, 4 and 5.
조영관,배석진,백순기,이정전 ( Young Gwan Cho,Seok Jin Bae,Soon Ki Baik,Jung Jun Lee ) 한국물환경학회 1996 한국물환경학회지 Vol.12 No.3
When wild growing plants such as Alopecurus aegualu var. amurensis were submerged in water for experiment, the conductivity and color of the water increased to a maximum 67 times that of raw water on the edged of Dongbok reservoir. In case of withered matters of Setaria viridis, the variation of color vas small, but when withered matters of Persicaria lapathafolia - which is used for dye materials - were submerged, the increasing rate of water color was very high. The variation of concentration of phosphorus and nitrogen in growing plants such as A. aegualis var, amurensis was 4∼37times and 2.5∼10times higher than that of withered plants(S. viridis and P. lapathafolia). As for treatment method. when ashes of A. aegualis var. amurensis were submerged in water, the concentration of total nitrogen(TN) and total phosphorus(TP) decreased more than that of non-treated. On the contrary, in case of withered matter of Persicaris lapathafolia, when ashes were submerged in water, the concentration of TN and TP increased more than that of the nontreated. Total nitrogen amount from the total plant biomass in the Dongbok reservoir was 12,821㎏ and total phosphorus amount was 1,141㎏. From among them, the amount of TN and TP in Persicaria lapathafolia was larger than that of any other dominant species.