Research Advance of Batch Culture of Freshwater Rotifers

Abstract

Abstract: Batch culture of more than ten species of freshwater rotifers was studied by external scientists. The researches of the effects of major ecological factors, including temperature, food, illuminative period, pH, vitamin and nutritive salt etc,on the population growth and ecology of rotifers lay a foundation for the batch culture. Alot of methods of hatch culture were studied. The highest production gained under laboratory conditions and in small container is 1-2 kg. m^-3. d^-1 for Brachionus calyciflorus and 18 kg. m^-2. d^-1 for Philodina acudicornis odiosa (notplanktonic species). The highest yield in large scale production of the former species is 0.2 kg. m^-2. d^-1. Further researches on suitable species of rotifers and its foods, ecological foundation and technology for batch culture are badly needed.

Key words: measured spectrum, wavelet transform, pixel unmixing, apple orchard.

Wang Jinqiu, Pan Liande. Research Advance of Batch Culture of Freshwater Rotifers[J]. cje, 1996, (1): 42-50,63.

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