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本文取自福建海岸带及台湾海峡西部调查资料,通过磷酸盐与盐度之间的相关分析,发现在春、秋、冬季磷酸盐含量是随着盐度的增加而减少;夏季表层磷酸盐与盐度之间无明显的相关,底层磷酸盐含量则随着盐度的增加而增加,这可能是外海底层高磷水涌升的影响结果.通过对磷酸盐距离回归稀释线偏差的分布研究,发现大陆水、沿岸水、上升流影响的海区往往出现磷酸盐正偏差分布,黑潮水、南海水影响的海区出现磷酸盐负偏差分布,在浮游植物生长繁殖旺盛期间,磷酸盐被大量消耗,有些海区也出现磷酸盐负偏差分布.
Based on the survey data of Fujian coast and west of Taiwan Strait, the correlation analysis between phosphate and salinity showed that the content of phosphate in spring, autumn and winter decreased with the increase of salinity. In summer, There is no obvious correlation between salinity and the content of phosphate in bottom layer increases with the increase of salinity, which may be the result of the high phosphorus surge in the outer sea.Based on the distribution of regression deviation dilution of phosphate distance, It is found that there is often a distribution of phosphate positive deviations in the sea areas affected by continental, coastal and updraft currents. Negative Phosphates distribution occurs in the sea areas affected by the Kuroshio and South China Sea waters. During the vigorous growth of phytoplankton, phosphates are consumed in large quantities. Some Phosphate negative deviation distribution also appears in the sea area.