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김용재,이정호 ( Yong Jae Kim,Jung Ho Lee ) 한국하천호수학회 1996 생태와 환경 Vol.29 No.4
There were collected and investigated to the comparison of phytoplankton communities in 6 dam lakes of the Naktong River system on September, 1994. Total 260 taxa were 233 species, 19 varieties, 2 forma and 14 unidentified species, belong to 89 genera, 30 families, 5 suborders, 12 orders and 6 classes. The species number occurred were ranged from 89 taxa in lake Youngchun to 135 taxa in lake Chinyang. The standing crops were ranged from 2.9×10^6 individuals/l to 8.9×10^6 individuals/l. Chlorophyceae was counted the highest value in lake Imha, but Bacillariophyceae was enumerated the highest in other lakes. Cyclotella pseudostelligera Cl. and Grun. in V. H. was dominated (47∼73%) in lake Andong, Hapchun and Chinyang, Phacotus lenticularis (Ehr.) Stein (45.7%) in lake Imha, Fragilaria capucina Desm. (18.4%) in lake Unmun and Aulacoseira distans (Ehr.) Sim. var. alpigena (Grun. Sim. (30.4%)) in lake Youngchun. The trophic states using indicators of phytoplankton were eutrophic levels in all the lakes. The examination of trophic status by LTSI (lake trophic status index) were mesotrophic level (5.2) in lake Hapchun and eutrophic levels (5.4< ) in the other lakes.
이정호,김용재 ( Jung Ho Lee,Yong Jae Kim ) 한국환경생물학회 1996 환경생물 : 환경생물학회지 Vol.14 No.1
Epilithiic diatoms and trophic states of Lake Andong, Imha, Yungchun, Unmun, Hapchun and Chinyang in the Naktong River system were studied. Collections for the study were made at the six dam lakes in September, 1994. Total 121 taxa, classified into 104 species, 16 varieties and 1 forma belong to 30 genera were found. Ten taxa were new to Korea. Achnanthes minutissima was a dominant species at all the Lakes studied exclusive of Navicula seminulum at only Lake Yungchun. The values of LTSI (Lake Trophic State Index), used for evaluation on the lake trophic state in the present study, were 5.8 at Lake Andong, 8.3 at Lake Imha, 8.0 at Lake Yungchun, 7.7 at Lake Unmun, 5.2 at Lake Hapchun and 6.4 at Lake Chyunyang. In consequence, only Lake Hapchun was evaluated as a mesotrophic lake, however the other lakes were eutrophic over 5.41 of LTSI value.
저서성 (底棲性) 규조류 Achnanthes alteragracillima 의 미세형태
이정호(Jung Ho Lee),최재신(Jae Sin Choi),김용재(Yang Jae Kim),정준(Jun Chung) 한국식물학회 1994 Journal of Plant Biology Vol.37 No.4
Morphology of Achnanthes alteragracillima Lange-Bert. was studied with scanning electron microscopy in epilithic samples from the Kwang River (Kwangchun). Kyungsangbuk-Do, Korea. The species was characterized by the external raphe terminal fissure deflecting up to valve margin, the internal raphe proximal endings slightly deflecting to the opposite direction each other and biased hyaline area at the valve pole. It could be distinguished from A. minutissima Ku¨tz., closely related species, in having not straight external raphe terminal fissures, and from A. convergens H.Kob. in having a biased hyaline area at the valve pole and not a convergent striae arrangement at the pole of the raphe valve.
이정호,최재신,김용재,정준 ( Jung Ho Lee,Jae Sin Choi,Yong Jae Kim,Jun Chung ) 한국하천호수학회 1995 생태와 환경 Vol.28 No.1
The planktonic diatoms were investigated from six stations in the Naktong River estuary on May 24 in 1994. Total 104 taxa including 3 unidentified taxa were collected and classified into 91 species, 12 varieties and 1 forma belong to 34 genera. Six taxa are new to Korea: Actinocyclus normanii(Grev.) Hust. var. subsalsus(Juhl.-Dennf.) Hust., Cyclotella rossii Ha˚k., Diatoma moniliformis Ku¨tz., Nitzschia capitellata Hust., Thalassiosira weissflogii(Grun.) Fryxell & Hasle, Tropidoneis pusilla(Greg.) Cleve. Aulacoseira ambigua is a dominant species at all stations.
김용재,이정호 대진대학교 1995 大眞論叢 Vol.3 No.-
The structures of phytoplankton communities were surveyed in 6 dam lakes of the Naktong River system on september, 1994. Total 260 taxa were 233 species, 19 varieties, 2 forma and 14 unidentified species, belong to 89 genera, 30 families, 5 suborders, 12 orders and 6 classes. The species number occurred were ranged from 89 taxa in lake Youngchun to 135 taxa in lake Chinyang. The standing crops were ranged from 2.9 X l0^(6) individuals/ℓ to 8.9 X l0^(6) individuals/ℓ. Chlorophyceae was counted the highest value in lake Imha, but Bacillariophyceae was enumerated the highest in other lakes. Cyclotella stelligera C1. and Grun. in V. H. was dominated (40-73 %) in lake Andong, Hapchun and Chinyang, Phacotus lenticularis (Ehr.) Stein (45.7 %) in lake Imha, Fragilaria capucina Desm. (18.4 %) in lake Unmun and Aulacoseira distans (Ehr.) Sim. var. alpigena (Grun. Sim. (30.4%) in lake Youngchun. In assessment of the trophic state using phytoplankton on the lakes, in result, all the lakes were regarded as the eutrophic states.