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Cadmium 함유수가 Microcosm 내의 개체군 동태에 미치는 영향
위인선,이종빈,수등융일 (須藤隆一),도삼유평 (稻森悠平),조경,나명석,위성욱 ( In Sun Wui,Jong Bin Lee,Ryuichi Sudo,Yuhei Inamori,Kyung Cho,Myung Seok Na,Seong Uk Wui ) 한국환경생물학회 1997 환경생물 : 환경생물학회지 Vol.15 No.2
This study was conducted to provide environmental assessment method to the effect of chemical using aquatic model ecosystem. Microcosm is one of the culture system containing three species bioorganism, Chlorella vulgaris as a producer, Cyclidium glaucoma as a consumer, Psendomonas putida as a decomposer. This system is very simple, stable small-size ecosystem and shows high reproductivity and reflectivity to the natural ecosystem. It is purposed for evaluating 1) analysis method of population fluctuation, 2) culture condition, based on characteristics of individual species that selected from natural water. In order to investigate what variation bring out in the system after addition of cadmium in the culture system, population fluctuation was analyzed. When each species cultured in microcosm containig cadmium, it began to be affected by Cd 50 ㎎/ℓ Chlorella vulgaris, 0.5 ㎎/ℓ Cyclidium glaucoma, 5.0 ㎎/ℓ Pseudomonas putida in early time of culture.
운동형 접촉산화처리에 의한 수산가공폐수 함유 하수처리에 관한 기초적 검토
이태관,Tasaki, Mituru,수등융일 한국수처리기술연구회 1995 한국수처리학회지 Vol.3 No.3
We experimentally investigated the treatment of the municipal wastewater containing fisheries-manufacturing wastewater, using newly developed continuously-moving fixed biofilm method in which the whole system is shaken. The experiment with the traditional fixed-biofilm method was also carried out under the same condition for comparison purpose. The result showed that the continuously moving fixed-biofilm method was more effective than the traditional fixed-biofilm in treating the municipal wastewater containing fisheries-manufacturing wastewater.
SLS ( Sodium Lauryl Sulfate ) 가 Microcosm 내의 개체군 동태에 미치는 영향
위인선(In Sun Wui),이종빈(Jong Bin Lee),수등융일,도삼유평,조경(Kyung Cho),나명석(Myung Suk Ra),위성욱(Seong Uk Wui) 한국환경생물학회 1998 환경생물 : 환경생물학회지 Vol.16 No.3
We investigated each individual movement in the microcosm when synthetic detergent, SLS (sodium lauryl sulfate), was inflowed in the system. The microcosm is one of a small model ecosystem containing biotic species which selected from natural aquatic ecosystem and maintaining as culture system under controlled condition. As a result of inflowing SLS in the system 14 days after subculture (stabilizing stage), individuals of producer Chlorella vulgaris and decomposer Pseudomonas putida were stable at 10.0㎎/ℓ SLS. But, consumer Cyclidium glaucoma was begun to affect at 2.5 ㎎/ℓ SLS and this individual was disappeared in the system at 5.0 ㎎/ℓ SLS. This study was purposed for suggestion to one of environmental assessment method by using model system as investigation of individual movement in the microcosm after treating detergent, one of a aquatic pollutant.