【摘要】 利用１９９８年１０月和１９９９年１月、４月、８月的调查资料，对北海湾无机磷与溶解氧的空间分布及其相互关系进行了分析研究。结果表明：该湾无机磷含量主要受北海、合浦沿岸排污的影响，南流江沿岸水影响不大；溶解氧的空间分布表面上以沿岸水的影响为主，实际上浮游植物强烈的光合作用起主导作用；该湾△２／△Ｐ比为１：２９０，Ｒｅｄｆｉｅｌｄ提出的理论值１：２７６相比偏高，从理论上表明了北海湾溶解氧主要以产氧的浮游植物影响为主。更多还原

【Abstract】 Based on the quarterly investigation data from October 1998 to August 1999, the analytical studies on the spatial distribution of inorganic phosphorus and dissolved oxygen in the Beihai Bay and their correlation have been carried out. The results show that the content of inorganic phosphorus is mainly influenced by the coast-wise sewage discharge from Beihai and Hepu, and slightly influenced by the runoff of Nanliujiang River. Outwardly, the distribution of dissolved oxygen contents was mainly influenced by the coast-wise runoff, but in fact the strong photosynthesis of phytoplankton plays a the leading dominant role. The ratio of △O2/△P in this bay is 1:290, which is higher than the theoretic ratio of 1:276 put forward by Redfield. It shows in theory that the dissolved oxygen is mainly influenced by the oxygen-producing phytoplankton.更多还原