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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.
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.
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.
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.
한국산 (韓國産) 수서곤충의 (水棲昆蟲) 환경오염물질에 대한 내성 (耐性) 및 감수성 연구
나철호,최충길,백순기 ( Chul Ho Ra,Chug Gil Choi,Soon Ki Paik ) 한국하천호수학회 1986 생태와 환경 Vol.19 No.1·2
The aquatic insects of mayflies (Ephemeroptera) and stoneflies (Plecoptera) which inhabited in Yo^˘ngsan and Tamjin rivers were identified, and sensitivity, tolerance range, and pollution tolerance index associated with identified each species on the environmental pollutants were investigated. Also in order to use as indicator organisms, nine species were selected and the optimal BOD_5 value and relative frequency of occurance were computed and examined. Thirty species of mayflies and twentytwo species of stoneflies were identified. Potamanthus sp. NB and Ecdyonurus yoshidae tolerated in low pH level of 5. 5. E. yoshidae, Ephemerella rufa and Cloeon dipterum tolerated in waters with high nutrient concentration. P, sp. NB, E. rufa and C. dipterum also tolerated in organically polluted and low dissolved oxygen concentration waters. Tolerant species to high water temperature of above 30℃ was E. rufa and stoneflies, Alloperla granulata and Phasaganophora capitata occured at low water temperature in 5℃ to 15℃ limitted. Tolerant species to the turbidity of above 20 NTU were Baetis sp. KA and Tadamus sp. The pollution tolerance indices of mayflies and stoneflies were range from 0.5 to 5 and 0 to 2, respectively. P. sp. NB and E. rufa showed the highest optimal BOD_5 value of 10.5㎎/ℓ, at that concentration, their relative frequencies of occurance were 29.6% and 57.2%, respectively. Three species of stoneflies were range from 1.4 to 1.5 ㎎/ℓ and 40.1 to 46.5%.
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.
탐진강수계의 (耽津江水系) 수서곤충군집에 (水棲昆蟲群集) 대한 조사연구
위인선,나철호,최충길,백순기 ( In Sun Wui,Chul Ho Ra,Chung Gil Choi,Soon Ki Baik ) 한국하천호수학회 1983 생태와 환경 Vol.16 No.1·2
This study has been carried out to survey the community structure of aquatic insects in the Tamjin River from October, 1981 to August, 1982. Quantitatively collected materials are classified and dominance indices, diversity indices, similarity indices, according to each sites and seasons are mathematic analyzed and to determine the water quality by diversity indices. The results are as follows: 1. The aquatic insect fauna of the Tamjin River is composed of total 93 species, 54 genera, 30 families in 7 orders. 2. Common speices from all the site are 12 species and native species from each site are 24 species. 3. Composition of aquatic insect fauna according to insect order is as follows: Ephemeroptera 44 species, 16 genera in 9 families. Coleoptera 13 species, 10 genera in 6 families. Trichoptera 13 species, 8 genera in 5 families. Plecoptera 9 species, 9 genera in 4 families. Odonata 4 species, 4 genera in 1 families. Megaloptera 3 species, 2 genera in 1 families. 4. Component ratio of the number of individuals according to the insect orders is as follows: Ephemeroptera 68.0% Trichoptera 10.8% Diptera 8.9% Coleoptera 7.4% Plecoptera 4.4% Odonata 0. 6% 5. Epeorus curvatulus is a dominant species in the Tamjin River and Choroterpes trifurcata, Hydropsyche ulmeri, Potamantus sp. nb., Mateopsepheuus japouicus, and Ecdyouurus yoshidae are to make up the greatest population. Dominant indices of this River are 0.269 to 0.584. 6. Diversity indices represent 3.114 in the Tamjin River. 7. Similarity is very high at mid stream, and shows more high similarity between mid stream and lower stream than upper stream. 8. The biological estimation of upper stream of the Tamjin River`s water quality based on diversity indices is oligosaprobic zone and lowor stream belongs to β-mesosaprobic zone.
수환경오염에 대한 수서곤충 (水棲昆蟲) 지표종에 (指標種) 관한 연구 - 영산강을 중심으로 -
위인선,나철호,이종빈,백순기 ( In Sun Wui,Chul Ho Ra,Jong Bin Lee,Soon Ki Baik ) 한국환경생물학회 1991 환경생물 : 환경생물학회지 Vol.9 No.1
Aquatic insects were researched from 18 sites in the Yongsan River System from August, 1988 to July, 1989. The monthly distribution and distributional pattern of the aquatic insects according to the environmental factors were investigated. Sensitivity, tolernace range and pollution tolerance index associated with each species were investigated. Also in order to use as a indicator organism, 36 species were selected and optimal BOD value and realtive frequencies of occurence were computed and examined. Polution tolerance indicies of mayflies ranged from 0.5∼5, stonflies from 0 to 2, caddisflies from 0 to 3.5, beetles from 1.5 to 3.5 and flies from 0 to 5. Chironomus showed the highest optimal BOD value of 23.7㎎/ℓ, and at that concentration the realtive frequency was 48.7, but it was represented by from 0.8 to 12.7㎎/ℓ and 17.4 to 57.2% in other species. Bioindicators were Drunella aculea, D. criptomeria of Ephemeroptera, Yoraperla KUa, Pteronarcys sacchalina, Archynopteryx KUa, Perlodes sp., Megarcys ochracea, Kiotina decorata, Sweltsa nikkoensis, Taenionema KUa, T. CUa of Plecoptera, Rhyacophila of Trichoptera, Tipula, Eriocera and Anthoca of Diptera in Ⅰ degree, and Serratella rufa and Chironomus in Ⅳ degree of water quality.