[1]王朝晖,付永虎,康伟,等.盐田港表层沉积物浮游植物休眠体季节变化[J].深圳大学学报理工版,2010,27(4):475-481.
 WANG Zhao-Hui,FU Yong-Hu,KANG Wei,et al.Seasonal changes in phytoplankton resting spores in surface sediments from Shenzhen Yantian Port,Dapeng Bay,the South China Sea[J].Journal of Shenzhen University Science and Engineering,2010,27(4):475-481.
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盐田港表层沉积物浮游植物休眠体季节变化()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第27卷
期数:
2010年4期
页码:
475-481
栏目:
环境与能源
出版日期:
2010-10-31

文章信息/Info

Title:
Seasonal changes in phytoplankton resting spores in surface sediments from Shenzhen Yantian Port,Dapeng Bay,the South China Sea
文章编号:
1000-2618(2010)04-0475-07
作者:
王朝晖12付永虎1康伟1陈菊芳3
1)暨南大学水生生物研究所,广州510632
2)水体富营养化与赤潮防治广东省教育厅重点实验室,广州510632
3)暨南大学赤潮与水环境研究中心,广州510632
Author(s):
WANG Zhao-Hui12FU Yong-Hu1KANG Wei1and CHEN Ju-fang3
1)Institute of Hydrobiology Jinan University, Guangzhou 510632, P.R.China
2)Key Laboratory of Aquatic Eutrophication and Control of Harmful Algal Blooms of Guangdong Higher Education Institutes, Guangzhou 510632, P.R.China
3)Research Center for Harmful Algae and Aquatic Environment, Jinan University, Guangzhou 510632, P.R.China
关键词:
环境海洋学浮游植物休眠体沉积物海洋环境深圳盐田港
Keywords:
environmental oceanographyphytoplanktonresting sporesedimentsmarine environmentShenzhen Yantian Port
分类号:
X 145
文献标志码:
A
摘要:
2007年4月至2008年3月对中国深圳大鹏湾盐田港海域表层沉积物中浮游植物休眠体进行每月一次的周年调查,了解盐田港运行及周边经济发展对海洋环境的影响.鉴定出浮游植物休眠体54种,其中甲藻孢囊29种,硅藻孢子22种,其他休眠体3种.亚历山大藻(Alexandrium spp.)、链状裸甲藻(Gymnodinium catenatum)、旋沟藻(Cochlodinium sp.)、多边舌甲藻(Lingulodinium polyedrum)和锥状斯氏藻(Scrippsiella trochoidea)等有毒有害赤潮生物的休眠体在此调查中均有出现.浮游植物休眠体丰度变化范围为217~3 514 spores·cm-3,平均为1 241 spores·cm-3,数量上以硅藻和甲藻为主.离岸较近的海域硅藻孢子丰度和异养型甲藻孢囊百分率明显较高,营养盐质量浓度也较高,说明该港区近岸海域富营养化较为严重.沉积物中已萌发的空孢囊百分率较高,平均超过50%,表明盐田港的频繁扰动促进了沉积物中孢囊的萌发,使有毒有害赤潮发生机率增大.
Abstract:
An annual survey of phytoplankton resting spore in surface sediments from Shenzhen Yantian Port was conducted monthly from April 2007 to March 2008.The purpose of this study is to understand the effects of the port operation and economic development on marine environments.As many as 54 types of phytoplankton resting spore including 29 types of dinoflagellate cyst and 22 types of diatom spore,were identified in the survey.Cysts of harmful algal bloom species such as Alexandrium spp.,Gymnodinium catenatumCochlodinium sp.,Lingulodinium polyedrum, and Scrippsiella trochoidea were observed.The concentrations of resting spore varied from 217 to 3 514 spores/cm3 with an average of 1 241 spores/cm3,and predominated by those of diatoms and dinoflagellates.Abundances of diatom spore and percentages of cyst of heterotrophic dinoflagellates together with the nutrient concentrations were significantly higher in St.1,indicating the higher eutrophic level in the inshore areas.The high proportions of germinated empty cysts (over 50% averagely) suggested that the frequent disturbance in the port area facilitated the germination of cysts in the sediment,thus promoted the occurrence of harmful algal blooms.

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备注/Memo

备注/Memo:
收稿日期:2009-12-29;修回日期:2010-04-14
基金项目:国家自然科学基金资助项目(40773063),广东省科技计划资助项目(2007B030200002)
作者简介:王朝晖(1968-),女(汉族),湖南省长沙市人,暨南大学教授、博士生导师.E-mail:twzh@jnu.edu.cn
更新日期/Last Update: 2010-11-09