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남한강상류의 (南漢江上流) 어류상과 (魚類相) 수생곤충상 (水生昆蟲相)
김재원,이병기 ( Jae won Kim,Pyong Ki Ree ) 한국하천호수학회 1975 생태와 환경 Vol.8 No.3·4
(1) This investigation had been made by the writers, KIM and REE, from the 30th of Jul. in 1972 till the 25th of Aug. in 1975. (2) Investigated fauna of fish and water insects in the mountain streams of the Han river. (3) Water temperature was as follows; in the spring 5∼10℃, in the summer 26∼27℃ C, in the winter 2∼3℃. (4) Collected 16 species of mountain stream fishes in Dong River(east side river) and 20 species in Suh River(west side river). (5) These fishes were separated into those living in the abyss or rapids and some are recognized living in both the abyss and rapids. (6) In winter rapids fish is more abundance than in summer, above all Liobagrus andersonii` Gobiobotia brevitarta and Coreoperca herzi is much more abundance. (7) In opposition to it, in summer rapids, Microphysogobio longidorsalis is much more abundance than in winter rapids. (8) Coreoleuciscus splendidus were not able to be collected in summer. rapids but were collected in abundance in winter rapids. (9) 63 species of water insects collected are as follows; Ephemeroptera …… 20 Plecoptera…… 2 Trichoptera …… 20 Hemiptera …… 1 Diptera …… 5 Megaloptera …… 1 Coleoptera …… 4 Other animals …… 6 Odonata …… 4 Total …… 63 (10) Among these 25 non mentioned species are included. (11) In quantitive collection of water insects, both at the upper part of the streams individual number, body weight, and species number were much higher than at the lower part of the streams. (12) The reason is thought to be the dirtiness from the removed water of the cement factory and the colliery near by.
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