Abundance and biomass of copepod nauplii and ciliates and herbivorous activity of microzooplankton in the East China Sea
2001
Zhang, W. (Chinese Academy of Sciences, Qingdao (China)) | Xiao, T. | Wang, R.
The abundance and biomass of copepod nauplii and ciliates and herbivorous activity of microzooplankton were studied in July 1998 in the East China Sea as a part of the China JGOFS-LOICZ study. The total abundance and biomass of ciliates and copepod nauplii ranged between 10 and 1970 indiv. l sup(-1) and between 0.08 and 16 microgCI sup(-1), respectively. The community was dominated by ciliates. When integrated over the surface 50-m layer, the total biomass fell in the range of 5-283 mgCm sup(-2) . Microzooplankton herbivory, determined using the dilution technique, corresponded to 20 to 48% of the phytoplankton standing stock and 54 to 89% of the primary production per day.
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