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국내 남서부지역 호수 및 저수지 생태계의 플랑크톤 동태 변화
김현우 ( Hyun Woo Kim ),라긍환 ( Geung Hwan La ),정광석 ( Kwang Seuk Jeong ),박종환 ( Jong Hwan Park ),허유정 ( Yu Jung Huh ),김상돈 ( Sang Don Kim ),나정은 ( Jeong Eun Na ),정명화 ( Myoung Hwa Jung ),이학영 ( Hak Young Lee ) 한국환경생물학회 2010 환경생물 : 환경생물학회지 Vol.28 No.2
This study compares and contrasts the dynamics of plankton in 31 temperate lakes and reservoirs, and considers particularly the biomass ratio of zooplankton to phytoplankton and ecological model application. A total of 89 species of zooplankton were identified (70 rotifers, 14 cladocerans and 5 copepods) and a total of 554 species of phytoplankton were identified (176 Bacillariophyceae, 237 Chlorophyceae, 68 Cyanophyceae, and 73 other algal taxa). The total plankton abundance and species diversity were showed distinctive spatial and seasonal variation. Annual average phytoplankton density was 7,350±15,592 cells mL-1 (n=124), and the lowest was 855±448 cells mL-1 (n=4), while the highest was 72,048±13,4631 cells mL-1 (n=4). For zooplankton, small rotifer groups dominated the study sites, and approximately 3~10 species appeared in the study sites. Statistical analysis and an ecological model application revealed that the size of reservoirs affected the structure size of plankton community, i.e. relatively large number of species were found in smaller reservoirs. From this result, we can conclude that management strategy for the reservoir environment has to be focused more on small-size reservoirs, in terms of plankton community ecology.