象山港海域富营养化与赤潮的关系

根据 2 0 0 0年 5月 2 4日至 6月 7日对象山港口门附近海域由原甲藻和多甲藻引发的赤潮进行跟踪监视监测的资料 ,用相关分析的方法探究了赤潮发生时各水化要素间的关系 ,分析了象山港海域富营养化的程度、范围、形成原因及其与赤潮的关系。结果表明 ,在赤潮发生期间 ,水体中赤潮生物———原甲藻数量与溶解氧呈现明显的正相关 ,多甲藻和裸甲藻数量与无机氮呈现明显的负相关 ,可见此次赤潮是以无机氮为营养盐主要限制因子。象山港海域的有机污染、富营养化现象 ,是赤潮发生的物质基础和必要条件。

Relationship of red tide and eutrophication in Xiangshan Harbour aera

According to the watching information of red tide paper deal with the from Prorocentrum sp. and Protoperidinium sp. from May 24th to June 7th in 2000 in Xiangshan Harbour area , this correlation analytical method and the relationship of chemical factors and the degree , limit , causes of nutrition enrichment.The result shown that outbreak of red tide is the effect of human action by polluted environment , geography position factor and weather condition etc . The result also shown the positive correlation of DO and Prorocentrum sp , the negative correlation of inorganic nitrogen and Protoperidinium sp.