厦门港表层水体磷周转的生物学过程研究Ⅰ. 微型浮游动物对浮游植物的摄食
Studies on biological processes of the phosphorus turnover in surface water of Xiamen Harbor in China Ⅰ. Grazing of microzooplankton on phytoplankton
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摘要: 海水中的磷以三种形式存在:颗粒磷(POP)(生命有机体内的磷和有机碎屑的磷)、溶解有机磷(DOP)和溶解无机磷(DIP)。浮游植物不仅可以吸收溶解无机磷,一些种类还可以吸收溶解有机磷[1];不同粒径的浮游植物对磷酸盐的吸收能力也有所不同,单位叶绿素a的浮游植物对磷酸盐的吸收速率:0.2~3μm浮游植物的吸收速率最大,3~20μm浮游植物的居中,20~200μm浮游植物的最小[2]。磷进入浮游植物以后,又因浮游动物的摄食沿着两条不同的途径向更高的营养级传递。
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Key words:
- microzo oplankton /
- phytoplankton /
- grazing /
- dilution method /
- Xiamen Harbor in China
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