1Jin T (金涛),Liu Y (刘艳).Geographical conditions for soil erosion and water loss in the Xiangxi Valley in the Three Gorges Region and its renovation[J].Research of Soil and Water conservation(水土保持研究).1996,3(4):98-102,110.(in Chinese).
2Xia Y C,Kuang Q J.Study on the phytoplankton in a lager reservoir[J].Chin J Oceanol Limnol,1992,10(4):359-370.
3Rao Q Z (饶钦止).Basic Knowledge of Lake Investigation(湖泊调查基础知识)[M].Beijing:Science Press,1956.(in Chinese).
4Marglef D R.Infomation theory in ecology[J].General systems,l958(3):36-71.
5James E B,Jerrold H Z.Field and Laboratory Methods for General Ecology[M].Washington DC:American Public Health Association,1977.136-145.