|
| Marine Water Quality Criteria for Ammonia and Preliminary Risk Analysis of the Ammonia Exposure at Daliao River Estuary |
| |
| View Full Text View/Add Comment Download reader |
| KeyWord:ammonia; marine organisms；water quality criteria；species sensitivity distribution；ecological risk assessment |
| Author Name | Affiliation | | HE Li | State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effects and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences | | YAN Zhen-guang | State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effects and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences | | YAO Qing-zhen | Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China | | WANG Xiao-nan | State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effects and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences
School of Water Science Research, Beijing Normal University | | WANG Wei-li | State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effects and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences | | ZHENG Xin | State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effects and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences | | LIU Zheng-tao | State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effects and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences |
|
| Hits: 3348 |
| Download times: 3061 |
| Abstract: |
| Ecotoxicity data of ammonia to Chinese resident marine organisms were collected and screened. The marine water quality criteria for ammonia were calculated according to the technical guidelines of the US. The acute and chronic criteria of ammonia were calculated to be 0.085 mg·L-1 and 0.013 mg·L-1, respectively. The results were verified by the Netherland’s criteria method, and the results showed that there were no apparent difference between them. Then the derived ammonia criteria were used to assess the exposure risk of ammonia at the Daliao River estuary. The results suggested that there were certain ecological risks at the 13 sampling stations, and season was a essential factor that affected the ammonia exposure concentrations. Ammonia exposure risk in dry season was significantly greater than that in the wet season with a magnitude difference. Additionally, the risk ranks for ammonia to aquatic organisms at the Daliao River estuary were：coelenterate>crustaceans>fish>molluscs>annelid. The conclusions can provide technical support to the establishment of the marine water quality standards of ammonia and the estuarine environment management. |
|
|
|
