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海洋科学  2011 

黄、东海春季和秋季微型浮游动物对浮游植物的摄食压力

, PP. 36-39

Keywords: 微型浮游动物,稀释培养,摄食压力,黄海,东海

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Abstract:

2000年秋季(10月21日-11月7日)和2001年春季(4月30日-5月15日)用稀释培养法在黄海和东海测定了微型浮游动物对浮游植物的摄食,结果表明:(1)秋季表层浮游植物叶绿素a(Chla)的内禀生长率为0.40~0.59d?1,微型浮游动物对Chla的摄食率为0.21~0.63d?1,对Chla现存量的摄食压力为19%~47%d?1,对Chla生产力的摄食压力为59%~108%d?1。深层Chla的内禀生长率为0.25~0.65d?1,微型浮游动物对Chla的摄食率为0.29~0.53d?1,对浮游植物Chla现存量的摄食压力为25%~41%d?1,对Chla生产力的摄食压力为86%~114%d?1。(2)春季表层Chla的内禀生长率为0.01~0.81d?1,微型浮游动物对Chla的摄食率为0.13~0.54d?1,对Chla现存量的摄食压力为12%~42%d?1,对Chla生产力的摄食压力为21%~3920%d?1。深层Chla的内禀生长率为0.55~0.60d?1,微型浮游动物对Chla的摄食率为0.57%~0.63d?1,对Chla现存量的摄食压力为44%~47%d?1,对Chla生产力的摄食压力为103%~104%d?1。

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