［1］Johansson N.and Grané li,E.. The influence of different N: P supply ratios on cell density, chemical composition and toxicity of Ptymnesium parvum (Haptophyta) in semi continuous cultures,J.Exp.Mar.Biol.,Ecol.,1999, 239: 243～ 258
[2]
［2］Moore K.A. and Wetzel R.. Seasonal variations in eelgrass (Zostera marina L.) responses to nutrient enrichment and reduced light availability in experiment ecosystems, J.Exp.Mar.Biol.,Ecol.,2000,244:1～ 28
[3]
［3］Pakulski J.D. et al.. Microbial metabolism and nutrients cycling in the Mississippi and Atchafalaya River Plumes, Estuar. Coast. Shelf Sci., 2000,50:173～ 184
[4]
［4］Rudnick D.T. et al..Phosphorus and nitrogen inputs to Florida Bay: the importance of the everglades watershed, Estuaries, 1999, 22:398～ 416
[5]
［5］Grasshoff K., M. Erhardt and K. Kre mling. Meathods of seawater analysis.Verlag Chemie, Weinheim, Germany.1983.
