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주암댐 및 이사천댐 유역의 조류생산 잠재력 조사에 관한 연구
위인선,이종빈,주현수 ( In Sun Wui,Chong Bin Lee,Hyun Soo Joo ) 한국환경생물학회 1991 환경생물 : 환경생물학회지 Vol.9 No.2
To understand the water quality of Chuam dam and Isa-Chun darn, and to help possible prediction of its future, various physio-chemical environmental factors and algal growth potential of the two reservoirs were surveyed eight times from October, 1988 to July, 1990. Each surveyed physico-chemical factors showed seasonal variations; the water temperature varied from 2℃ to 32℃, pH from 5.20 to 8.90, dissolved oxygen from 5.15㎎/ℓ to 12.96㎎/ℓ, and the COD from 0.033㎎/ℓ to 4.85㎎/ℓ. The BOD variation was similar to that of the COD. The concentrations of ammonia (NH_3^+-N), nitrite, nitrate, and phosphate were ND (< 0.0005㎎/ℓ) - 2.82㎎/ℓ, ND (<0.0005㎎/ℓ) - 0.533㎎/ℓ, ND (<0.0005㎎/ℓ) - 2.82 ㎎/ℓ, ND (<0.0005㎎/ℓ) - 0.031㎎/ℓ and ND (<0.0005㎎/ℓ) - 2.0㎎/ℓ, respectively. Individual number of Selenastrum capricorum Prinz in these reservoirs was used to study algal growth potential of the reservoirs. The number varied from 0.5×10 exp (4)/㎎ to 639.0×10 exp (4)/㎎. The potential was appeared to be restricted by the phosphate concentr ation and this effect was especially noticeable during summer.
동복호 (同福湖) 유입하천의 조류증식능에 (藻類增植能) 관한 연구
김현아,이나나,유춘만,위성욱,주현수,이종빈,위인선 ( Hyun Ah Kim,Na Na Lee,Chun Man Yu,Seong Uk Wui,Hyun Soo Joo,Jong Bin Lee,In Sun Wui ) 한국환경생물학회 1995 환경생물 : 환경생물학회지 Vol.13 No.1
On filtered and autoclaved water samples from the upper stream of Lake Tong-Bok, physico-chemical analysis and algal growth potential (AGP) test using Selenastrum capricornutum Printz were performed from October, 1991 to July, 1992 in order to assess fertility potential of the lake and to identify possible limiting nutrients. Water temperature of the lake was fluctuated from 3.8℃ to 30.7℃, the range of pH was 6.0 to 8.0, the level of dissolved oxygen ranged from 5.5㎎/ℓ to 14.4㎎/ℓ, biochemical oxygen demand varied from 0.3㎎/ℓ to 7.6㎎/ℓ, and suspended solides was fluctuated from 0.7 ㎎/ℓ to 24.5㎎/ℓ. Results of nutrient analysis were as followings. The level ammonia was from ND(<0.01㎎/ℓ) to 0.74㎎/ℓ, nitrite and nitrate were ND(<0.01㎎/ℓ) - 0.06 ㎎/ℓ, 0.09㎎/ℓ - 1.33㎎/ℓ respectively. The range of phosphate level varied from ND(<0. 01㎎/ℓ) -0.24㎎/ℓ, and total phosphorus was fluctuated 0.04㎎/ℓ - 0.63㎎/ℓ. Algal growth potentials of the filtered and filtered after autoclaved samples were 0.1 ㎎/ℓ - 21.0㎎/ℓ and 2.9㎎/ℓ - 13.9㎎/ℓ respectively during surveyed period. AGP of the filtered after autoclaved were higer than those of the filtered only except some specific sites. The points of maximum growth were measured after addition of N, P, Fe and EDTA each in comparison with unenriched (control) samples. Phosphate appeared to be the major limiting element in AGP test for a tested organism throuhgout the year, especially during spring and summer. According to trophic level by Sudo(1980), it was estimated that Tong-Bok stream was eutrophic, Nae-Puk stream was oligo-mesotrophic, and all other streams of Lake Tong-Bok were mesotropic.
아므르불가사리 배아를 이용한 서해 연안해수의 생물학적 수질평가
유춘만(Chun Man Yu),주현수(Hyun Soo Joo),박지인(Ji In Park),위인선(In Sun Wui),이종빈(Jong Bin Lee) 한국물환경학회 1998 한국물환경학회지 Vol.14 No.4
This survey was carried out to evaluate offshore water quality to Western sea in Korea by bioassay using early development system of Asterias amurensis. Despite of the inflows of several river systems, most West coast maintained the grade Ⅱ water quality because embryo development of Asterias amurensis was moderately inhibited. This is thought to be due to the decrease in pollutant input resulting from the purification of inflow rivers (e. g., the control of waste water discharge and the construction of sewage treatment facilities), and the dilution of pollutants by a strong tidal mixing with a large difference between the ebb and flood tides. However, the water quality of Asan, Hampu˘ng and Choˇnsu Bays, where circulations of water are relatively poor, and Kunsan and Mokpo harbors which are influenced by pollutants from neighboring cities have shown the grade III because embryo development of Asterias amurensis was strongly inhibited.