2000～2001年粤东柘林湾营养盐分布

2000年5月-2001年5月对粤东大规模增养殖区柘林湾及湾外附近海域进行了大量营养盐，浮游生物和一般理化因子的周年调查。结果表明，调查海域溶解性无机氮，磷，硅含量都明显偏高，年平均值分别达到22.64,1.95和59.7μmol/L,其中，氮，磷含量均超过国家三类海水的水质标准，由于湾顶黄冈河和湾周边排污排废的影响，营养盐的分布基本表现为由湾内向湾外，近岸向离岸递减的格局，大规模增养殖业造成的2次污染对该湾营养盐的时空分布具有重要的影响，柘林湾氮，磷，硅含量虽全面偏高，但如以Justic和Dortch等的标准来衡量，该湾浮游植物生长受控于单一营养盐限制因子的出现率为氮41.75%，磷22.9%，硅2.36%。

2000~2001 Annual Dynamics of Nutrients in Zhelin Bay

Zhelin bay is one of the most important estuaries for marine culture in Guangdong Province of China. With the constantly increasing human population and marine culture in the last 10 years, the ecological environment has significantly changed. Although Phaeocystis blooms had brought tremendous economic loss and ecological damage in this area in 1997 and 1999, few studies followed and previous investigation of nutrients are very little. To understand why Phaeocystis blooms frequently hit this area an...