Temperature is one of the important ecological factors determining the life history characteristics of rotifers.In the present study,the life history characteristics of Brachionus calyciflorus collected from Tunxi section of Xin'an River were studied under four different temperatures(15℃,20℃,25℃ and 30℃)by means of life table demographic approach.The results showed that the survivorship and the fecundity of B.calyciflorus differed under different temperatures.Under the four cultural temperatures,the generation time of the rotifer was the longest under 15℃ while it was the shortest and had no significant differences under 25℃ and 30℃.The intrinsic rate of population increase of the rotifer was lower under relatively lower temperatures(15℃,20℃) and larger under relatively higher temperatures(25℃,30℃).The life expectancy and average lifespan of the rotifer were the longest under 15℃.But there was no significant difference under the rest three temperatures.There were no significant differences on the net reproductive rate and percentage of mictic femaless in offspring of B.calyciflorus.
董丽丽*, 谢力慧. 不同温度下新安江水域(屯溪段)轮虫种群动态研究[J]. , 2012, 31(2): 187-191.
DONG Li-li, XIE Li-hui. Population dynamics of Brachionus calyciflorus(Rotifera) from Tunxi section of Xin’an River under different temperatures. , 2012, 31(2): 187-191.
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