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引用本文:董 逸,刘 敏,武洪庆,张翠霞,张文燕,于 莹,丰美萍,徐剑虹,肖 天.胶州湾大肠菌群丰度变化及对环境污染的指示.海洋与湖沼,2011,42(5):684-689.
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胶州湾大肠菌群丰度变化及对环境污染的指示
董 逸1,2, 刘 敏1,2,3, 武洪庆1,2,4, 张翠霞1,2, 张文燕1, 于 莹1,2, 丰美萍1,2, 徐剑虹1, 肖 天1
1.中国科学院海洋研究所海洋生态与环境科学重点实验室;2.中国科学院研究生院;3.中国热带农业科学院热带生物技术研究所;4.河北工业大学海水资源高效利用化工技术 教育部工程研究中心
摘要:
采用 MPN 计数法对胶州湾大肠菌群丰度进行 7 年(84个月)连续监测, 结果表明, 大肠菌群丰度的周年变化明显, 全年最高丰度与最低丰度相差约 2.2 倍。胶州湾大肠菌群丰度自 2005—2009年明显下降, 降幅达 67%, 说明胶州湾环境质量有所好转。研究还发现大肠菌群丰度变化具有明显的区域特征, 河口区最高, 湾内区最低, 差异近 11 倍。大肠菌群丰度与环境因子的相关性分析表明, 大肠菌群丰度变化与胶州湾海水中总氮、溶解有机碳、叶绿素a浓度, 海水盐度及青岛市废水排放量均显著相关。
关键词:  大肠菌群, 丰度, 环境污染, 胶州湾
DOI:10.11693/hyhz201105009009
分类号:
基金项目:国家自然科学基金创新群体项目, 41121064 号; 中国科学院创新项目, KZCX2-YW-213-3 号; 国家重点基础研究发展计划(973)项目, 2011CB409804 号。
附件
VARIATION OF COLIFORM BACTERIA ABUNDANCE IN THE JIAOZHOU BAY AND ITS INDICATION TO ENVIRONMENTAL POLLUTION
DONG Yi1,2, LIU Min1,2,3, WU Hong-Qing1,2,4, ZHANG Cui-Xia1,2, ZHANG Wen-Yan1, YU Ying1,2, FENG Mei-Ping1,2, XU Jian-Hong1, XIAO Tian1
1.Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences;2.Graduate University of Chinese Academy of Sciences;3.Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultur;4.Engineering Research Center of Seawater Utilization Technology, Heibei University of Techn
Abstract:
A 7-year monitoring of coliform bacteria abundance in the Jiaozhou Bay showed clear annual variations. On an annual basis, the maximum abundance of coliform bacteria appeared in September [(2.56±2.00)×104/L] and the minimum appeared in April [(1.17±0.77)×104/L], the maximum was about 2.2 times of the minimum. Analysis on the interannual variations showed that the coliform abundance declined by about 67% from (2.96±1.28) ×10,sup>4/L (2005) to (0.97±0.81)×104/L (2009), suggesting that the environmental quality of Jiaozhou Bay had improved. The distribution of the coliform bacteria exhibited regional patterns. The maximum abundance appeared in the estuary area [(5.42±2.47)×104/L], followed by the bay-mouth [(1.18±0.14)×104/L], the outer bay [(0.53±0.32)×104/L], and the inner bay [(0.50±0.11) ×104/L]. The abundance in the estuary area was almost 11 times of the abundance from the inner bay. Correlation analysis between the abundance of the coliform bacteria and the environmental factors showed that the abundance was significantly correlated with sewage discharged in Qingdao, salinity, concentration of total nitrogen, dissolved organic carbon, and chlorophyll-a in the Jiaozhou Bay seawater.
Key words:  Coliform bacteria, Abundance, Environmental pollution, Jiaozhou Bay
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