Microbiological estimate of water quality in the Amur and Sungari rivers after a technogenic accident in China in 2005 |
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| Authors: | L M Kondrat’eva N K Fisher N V Berdnikov |
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| Institution: | (1) Department of Geological Engineering, Faculty of Engineering, Ankara University, 06100 Ankara, Turkey;(2) Department of Mining Engineering, Inonu University, 44280 Malatya, Turkey;(3) General Directorate of Bank of Provinces, Ankara, Turkey |
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| Abstract: | The results of microbiological water quality monitoring in the Amur and Sungary rivers after a technogenic accident in Tzilin
province (China) in November 2005 are considered. Bioindication technique is used to show that various pollutants earlier
entered the Amur with the Sungari runoff: low-molecular volatile benzene derivatives entered from November 28 to December
2; naphthalene derivatives entered from November 29 to December 7; and nitrobenzene and high-molecular polyaromatic hydrocarbons
entered in December 15–23, 2005. The major portion of pollutants moved along the right bank. The most sensitive to the total
pollution by toxic substances were nitrifying bacteria, especially in bottom water layers. The Amur water in the zone of influence
of the Sungari was estimated to belong to the IV–V quality class and referred to the categories of “polluted” and “dirty.”
The poor quality of Amur water persisted over 9 months throughout the Amur reach from the Sungari mouth to Khabarovsk City. |
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