The Role of Sulfate-Reducing Bacteria in Guano and Soil in\nthe Monitoring of Wetland Mercury Pollution

There is widespread concern about environmental pollution by mercury.As the most important mercury methylation bacteria in wetland ecosystems,sulfate-reducing bacteria(SRB)can convert inorganic mercury into more toxic methylmercury,which can result in greater health risks to humans and other creatur...

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Published inYe Sheng Dong Wu Xue Bao = Chinese Journal of Wildlife no. 4; p. 370
Main Author Ma Zhilong Li Tianfang Liu Huajin Zhou Xuehong
Format Journal Article
LanguageChinese
Published Harbin Editorial Department of Chinese Journal of Wildlife 01.01.2016
Subjects
Aquatic ecosystems
Bacteria
Birds
Dimethylmercury
Dung
Environmental monitoring
Guano
Health risks
Mercury
Methylation
Methylmercury
Monitoring
Soil pollution
Sulfate reduction
Sulfate-reducing bacteria
Sulfates
Wetlands
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Summary:There is widespread concern about environmental pollution by mercury.As the most important mercury methylation bacteria in wetland ecosystems,sulfate-reducing bacteria(SRB)can convert inorganic mercury into more toxic methylmercury,which can result in greater health risks to humans and other creatures exposed to mercury pollution.We evaluated the effect of bird droppings on mercury pollution of wetlands,the enrichment condition of sulfate-reducing bacteria in guano and soil,and the role of sulfate-reducing bacteria(SRB)in the monitoring of wetland mercury pollution.We found that the status of mercury methylation in a wetland ecosystem can be estimated by detecting the activity and content of SRB in bird droppings and in soil.We indirectly predicted the trend of wetland mercury pollution by monitoring the environment factor affecting the mercury methylation reaction rate of SRB.
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ISSN:2310-1490