Effect of UV-B radiation on the population dynamics of the rotifer Brachionus urceus
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Effect of UV-B radiation on the population dynamics of the rotifer Brachionus urceus WANG Jinhe1,2 , FENG Lei3 , TANG Xuexi1∗ 1 2 3
College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China Dong Ying City Ocean and Fishery Bureau, Dongying 257091, China Department of Agricultural Engineering, Dongying Vocational College, Dongying 257091, China
Received 20 February 2009; accepted 9 July 2009 ©The Chinese Society of Oceanography and Springer-Verlag Berlin Heidelberg 2011
Abstract The effect of UV-B radiation enhancement at experimental doses of 0.00, 0.24, 0.48, 0.72, 0.96, and 1.20 kJ/m2 on the population dynamics of the rotifer Brachionus urceus feeding on the alga Chlorella sp. was studied under controlled laboratory conditions using clonal culture and life-table techniques. The results show that UV-B radiation treatment significantly shortened the survival time of the rotifer (P
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