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Distribution of Diuron in Coastal Seawater and Sediments from West Sea Area of Zhoushan Island
Marine Science and Technology College of Zhejiang Ocean University
National Engineering Research Center of Marine Facilities Aquaculture, Zhoushan, China
North China Sea Marine Technical Support Center of State Oceanic Administration, Qingdao, China
Marine Science and Technology College of Zhejiang Ocean University
Marine Science and Technology College of Zhejiang Ocean University
- 1 Marine Science and Technology College of Zhejiang Ocean University
- 2 National Engineering Research Center of Marine Facilities Aquaculture, Zhoushan, China
- 3 North China Sea Marine Technical Support Center of State Oceanic Administration, Qingdao, China
- 4 Marine Science and Technology College of Zhejiang Ocean University
- 5 Marine Science and Technology College of Zhejiang Ocean University
Open Journal of Marine Science·Volume 03 (2013)·Pages 140–147·Published 12 July 2013·DOI10.4236/ojms.2013.33015
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Abstract
The pollution level of diuron in seawater and sediments in the west coastal sea area of Zhoushan Island from 2011 to 2013 was investigated. Results revealed that the concentration of diuron in seawater varies from less than (3.0 to 52.1) ng · L -1 , with an average level of less than 11.1 ng . L -1 . The annual average content was less than 7.9 ng . L -1 , 13.9 ng . L -1 , and 12.3 ng . L -1 in 2011, 2012, and 2013, respectively. The concentrations of diuron in marine sediments also varied from less than (0.3 to 3.9) ng . g -1 (dry weight), with an average concentration of less than 1.13 ng g -1 (dry weight). The annual average concentration was less than 0.851 ng . g -1 , 1.328 ng . g -1 , and 1.202 ng . g -1 in 2011, 2012, and 2013, respectively. The accumulation of diuron in seawater and sediments may pose a potential risk to the marine ecosystem of the investigated sea area.
KeywordsDiuronSeawaterSedimentZhoushan Island
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