| 珠江口浮游动物的群落动态及数量变化 |
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| 引用本文： | 李开枝,尹健强,黄良民,谭烨辉,许战洲.珠江口浮游动物的群落动态及数量变化[J].热带海洋学报,2005,24(5):60-68. |
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| 作者姓名： | 李开枝 尹健强 黄良民 谭烨辉 许战洲 |
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| 作者单位： | 1. 中国科学院南海海洋研究所热带海洋环境动力学重点实验室,广东,广州,510301;中国科学院研究生院,北京100039
2. 中国科学院南海海洋研究所热带海洋环境动力学重点实验室,广东,广州,510301 |
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| 基金项目： | 基金项目：中国科学院知识创新工程项目（KZCX2-SW212）;国家杰出青年基金港澳合作项目（40229008）;国家重大基础研究项目（2001CB409707）;广东省重大科技专项（A3050301）;广东省自然科学基金项目（032620）,黎同寿等在海上样品采集方面做了大量工作,陈清潮教授在种类鉴定方面给予了指导,谨致谢忱. |
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| 摘 要： | 根据2002年4月至2003年6月珠江口10个航次的调查资料,分析了丰水期(4—9月)和枯水期(10—3月)浮游动物的种类组成、优势种、群落结构、丰度和生物量的时空变化。经鉴定共有终生浮游动物71种和阶段性浮游幼虫7个类群。刺尾纺锤水蚤Acartia spinicauda是丰水期和枯水期皆出现的优势种。调查区的浮游动物可划分为河口类群、近岸类群、广布外海类群和广温广盐类群。丰水期浮游动物的平均丰度(1 131 ind.m-3)高于枯水期(700 ind.m-3),枯水期浮游动物的平均生物量(382 mg.m-3)高于丰水期(203 mg.m-3),浮游动物的丰度和生物量呈明显的斑块状分布。盐度是影响浮游动物种类、丰度和生物量分布的主要因素。
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| 关 键 词： | 珠江口 浮游动物 群落结构 丰度 生物量 |
| 文章编号： | 1009-5470（2005）05-0060-09 |
| 收稿时间： | 2004-11-15 |
| 修稿时间： | 2005-01-23 |
DYNAMIC VARIATIONS OF COMMUNITY STRUCTURE AND QUANTITY OF ZOOPLANKTON IN ZHUJIANG RIVER ESTUARY |
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| LI Kai-zhi,YIN Jian-qiang,HUANG Liang-min,TAN Ye-hui,XU Zhan-zhou.DYNAMIC VARIATIONS OF COMMUNITY STRUCTURE AND QUANTITY OF ZOOPLANKTON IN ZHUJIANG RIVER ESTUARY[J].Journal of Tropical Oceanography,2005,24(5):60-68. |
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| Authors: | LI Kai-zhi YIN Jian-qiang HUANG Liang-min TAN Ye-hui XU Zhan-zhou |
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| Institution: | LI Kai-zhi~ |
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| Abstract: | Based on the data obtained from ten cruises from April of 2002 to June of 2003,the species composition,dominant species,community structure,abundance and biomass of zooplankton in the Zhujiang River estuary were studied.Totally 71 species of holoplankton and 7 groups of planktonic larva were identified.Acartica spinicauda was the only dominant species appearing both in wet and in dry seasons.Zooplankton in the investigated areas of the Zhujiang River estuary could be divided into four ecological groups:esturine group,nearshore group,widely-distributed pelagic group,and eurythermal and euryhaline group.The zooplankton abundance was higher in wet season than in dry season,while the zooplankton biomass is just the opposite.Salinity was one of the main factors influencing the species composition,abundance and biomass of zooplankton. |
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| Keywords: | Zhujiang River estuary zooplankton community structure abundance biomass |
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