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当前位置: 首页 > 文章 > 春季赤潮频发期东海微型浮游动物摄食研究 应用生态学报 2003,14 (7) 1073-1080
Position: Home > Articles > Microzooplankton herbivory during red tide-frequent-occurrence period in Spring in the East China Sea Chinese Journal of Applied Ecology 2003,14 (7) 1073-1080

春季赤潮频发期东海微型浮游动物摄食研究

作  者：
孙军;刘东艳;王宗灵;石晓勇;李瑞香;朱明远
单  位：
中国海洋大学海洋生命学院;国家海洋局第一海洋研究所
关键词：
东海;微型浮游动物;摄食压力;稀释法
摘  要：
20 0 2年 4～ 5月在东海长江口及其邻近水域的 8、11、14、2 3和 2 8号 5个典型站位采样 ,用现场稀释法对春季东海水域浮游植物的生长率和微型浮游动物对浮游植物的摄食压力等方面进行了研究 .结果表明 ,微型浮游动物的摄食行为在东海赤潮过程起到关键作用 .各站位微型浮游动物主要以急游虫、红色中缢虫和夜光藻为主 ,在种类上砂壳纤毛虫是主要的类群 .微型浮游动物的摄食速率范围在 0 .2 8～ 1.13d-1,对浮游植物现存量的摄食压力范围在 35 .14 %～ 811.6 9% ,对浮游植物潜在初级生产力的摄食压力范围在 74 .0 4 %～ 2 0 3.2 5 % ,对浮游植物碳的摄食率范围在 9.5 8～ 97.91μg·L-1·d-1.靠近岸边的站位 ,微型浮游动物的摄食速率、对浮游植物现存量的摄食压力和对浮游植物碳的摄食率相对较高 ,而远离岸边的站位对浮游植物潜在初级生产力的摄食压力却较高 .与世界其它海区比较此水域微型浮游动物摄食压力处于较高水平 .急游虫是控制东海主要赤潮原因生物具齿原甲藻生长的关键种类 .
译  名：
Microzooplankton herbivory during red tide-frequent-occurrence period in Spring in the East China Sea
作  者：
SUN Jun 1,LIU Dongyan 1, WANG Zonglin 2, SHI Xiaoyong 1, LI Ruixiang 2, ZHU Mingyuan 2( 1Marine Life Science College, Ocean University of China, Qingdao 266003, China; 2First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China)
关键词：
East China Sea, Microzooplankton, Ingestion pressure, Dilution method
摘  要：
Five typical stations in the Changjiang River estuary and adjacent waters of the East China Sea, were chosen as the sites to study phytoplankton growth and microzooplankton ingestion by on-deck-incubation dilution experiment from 25 th April to 25 th May 2002. The results showed that microzooplankton ingestion was a key process for controlling red tide event.Strombidium sulcatum,Noctiluca scintillans and Mesodinium robudium were dominant microzooplankton species. In this study, the ingestion rate of microzooplankton ranged from 0.28 to 1.13 d -1; ingestion pressure on percentage of phytoplankton standing crop ranged from 35.14% to 811.69 %; ingestion pressure on percentage of potential production ranged from 74.04% to 203.25 %; and ingestion rate of phytoplankton carbon ranged from 9.58 to 97.91 C·L -1·d -1. The microzooplankton grazing rate, ingestion pressure on percentage of phytoplankton standing crop, and ingestion rate of phytoplankton carbon were higher near coastal area, but lower at open sea, and the microzooplankton ingestion pressure on percentage of phytoplankton potential production was on the contrary. Compared with the similar studies around the world, the ingestion pressure of microzooplankton in the East China Sea was at a higher level.The primary deduction was that Strombidium was the key microzooplankton species on controlling Prorocentrum dentatum,the most important red tide species in the East China Sea.

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