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김한순(Han Soon Kim),김용재(Yong Jae Kim),박정원(Chung Won Park),정준(Jun Chung) 한국식물학회 1994 Journal of Plant Biology Vol.37 No.2
An investiagtion of the freshwater algal flora of Nakdong river estuary, Jinyang Lake and Danjang stream was carried out from May to November in 1993. This paper deals with a total 16 taxa belonging to 5 genera which are recorded for the first time in Korean freshwater algal flora. Among them, the 5 genera Coronastrum Thompson, Echinospaeridium Lemmermann, Dichotomococcus Korsikov, Dicloster Jao et al. and Siderocystopsis Swale are newly added to the freshwater algal flora of Korea.
정준,김한순,김용재 ( Jun Chung,Han Soon Kim,Yong Jae Kim ) 한국하천호수학회 1994 생태와 환경 Vol.27 No.1
Species composition, standing crops and dominant species of phytoplankton community in the Nakdong river estuary dam were studied from May to November, 1991. A total 201 taxa were identified during the investigation period, and the most important group was Chlorophyceae with 156 taxa, followed by the Euglenophyceae with 24 taxa, Cyanophyceae with 13 taxa, Chrysophyceae with 4 taxa, Dinophyceae with 3 taxa and Xanthophyceae with 1 taxon. Standing crops were recorded the highest in May and the lowest in August. The contribution of Chlorophyceae to the total standing crops were the highest during the all survey period except in August which Cyanophyceae constituted the largest share. The Chlorococcales of Chlorophyceae- Micractinium pusillum, Actinastrum hantzschii var. fluviatile were dominant taxa in May, September and November, and Oscillatoria limnetica was dominant species in August.
김용재,김한순,정준 ( Yong Jae Kim,Han Soon Kim,Jun Chung ) 한국하천호수학회 1991 생태와 환경 Vol.24 No.4
The purpose of this study was to investigate the phytoplankton composition and agal biomass from Tokdong and Pomun lakes in Kyongju city, from May,1989 to April,1990. The authors have examined 139 taxa of the phytoplankton from Tokdong and Pomun lakes. These were composed of 5 classes, 10 orders, 3 suborders, 23 families, 50 genera, 110 species, 25 varieties and 4 forma. Agal biomass increased from 27 individuals/ml in January to 140 individuals/ml in November, at Tokdong lake and from 19 individuals/ml in January to 538 individuals/ml in August, at Pomun lake. Two peaks of chlorophyll-a concentration were observed in the surface water of both lakes, one in September and the other in February. Annual mean concentrations of chlorophyII-a were 4.6㎍/1 and 9.9㎍/1 in the surface water of Tokdong and Pomun lakes. Trophic states of both lakes were intermediate levels between oligotrohic and mesotrophic at Tokdong lake, and between mesotrophic and eutrophic at Pomun lake as the quantity of chlorophyll-a
김용재,최재신,김한순 ( Yong Jae Kim,Jae Shin Choi,Han Soon Kim ) 한국하천호수학회 1997 생태와 환경 Vol.30 No.4
Phytoplankton communities are investigated at four stations in Lake Imha from March, 1992 to November, 1994. Phytopalnkton are identified from 234 taxa in 1992 to 302 taxa, in 1994. Standing crops are the highest value in 1992 and the lowest value in 1993, and slowerly increased in 1994. Dominant species are Cyclotella pseostelligera and 13 taxa. Among them, Anabaena solitaria f. planctonica is bloomed during the season the high Total-N/Total-P ratio. This result is guessed the difference between the water environment of Korea and other nations.