东山湾海水中活性硅酸盐的分布特征  

Characteristics of sluble silicate in Dongshan Bay

作　　者：林峰[1] 许清辉 黄江淮 陈维芬[1] 

机构地区：[1]国家海洋局第三海洋研究所,厦门361005

出　　处：《台湾海峡》1993年第1期30-34,共5页Journal of Oceanography In Taiwan Strait

摘　　要：1988年5月、8月、11月和1989年2月东山湾海水中活性硅酸盐的浓度范围分别为6.03～89.2、5.87～43.5、4.62～43.3和17.9～40.9μmol/dm^3,平均值分别为21.5、20.1、25.4和26.8μmol/dm^3。多元线性逐步回归的结果表明,春、夏、冬季活性硅酸盐的浓度与盐度呈负相关关系;秋季由于浮游植物大量繁殖,因而活性硅酸盐的分布主要受浮游植物摄取的影响.The concentration and distribution of soluble silicate in the surface and bottom waters of Dong-shah Bay,Fujian Province were investigated in four seasonal cruises between 1988 and 1989.Theconcentration of silicate ranged 6.03～89.2,5.87～43.5,4.62～43.3 and 17.9～40.9μmol/dm^3in May,August, November of 1988 and February of 1989 respectively,and the mean concentrationwas 21.5,20.1,25.4 and 26.8μmol/dm^3 respectively.The multiple linear regression with step bystep revealed that the concentration of silicate was negatively correlated with salinity in spring,sum-mer and winter,that the distribution of silicate was not obviously affected by the upwelling over theMinnan-Taiwan Shoal Fishing Ground in summer,that the distribution of silicate was obviously af-fected by the recycling of biogenic silicon besides salinity in the winter,that the distribution of silicatein the fall was mainly affected by the grazing of phytoplankton by zooplanktons in their boom.

关 键 词：海水 硅酸盐 分布 浮游植物 东山湾 

分 类 号：P734.44[天文地球—海洋化学]