Environmental threats induced heavy ecological burdens on the coastal zone of the Bohai Sea, China
Yu, Junbao1; Zhou, Di1; Yu, Miao1; Yang, Jisong1; Li, Yunzhao1; Guan, Bo2; Wang, Xuehong1; Zhan, Chao1; Wang, Zhikang1; Qu, Fanzhu3
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
2021-04-15
卷号765页码:8
关键词Environmental threatsCoastal zoneEcological disasterTerrestrial pollutants inputBohai Sea
DOI10.1016/j.scitotenv.2020.142694
通讯作者Yu, Junbao(junbao.yu@gmail.com); Yang, Jisong(yjswill@126.com)
英文摘要The environment of the Bohai Sea is under enormous pressure because of rapid economic and urban development associated with increased population inhabiting the coastal zone. Environmental threats to the coastal ecosystem were analyzed using 2006-2017 statistical/monitoring data from the State Oceanic Administration, China. The results showed that harmful algal blooms occurred a total of 104 times during the period of 2006-2017, for a cumulative area of more than 21,275 km(2). The main environmental threats came from offshore oil and gas production in the form of hydrocarbon pollution during extraction, as well as from urban wastewater and sewage. Oil pollution, mainly generated from spills, offshore oil platforms and large number of vessels/ports, was found to cause very severe negative impacts on the environment. Another threat is from excessive ground-water exploitation which has resulted in seawater intrusion and soil salinization occurrence in more than 90% of coastal areas around the Bohai Sea. The maximum distance of intrusion by seawater and soil salinization was more than 40 and 32 km inland, respectively. Contamination by terrestrial pollutants was identified as another threat affecting the environment quality of the Bohai Sea. Approximately 840,000 t of pollutants were carried into the sea by major rivers annually for 2010-2017. The standard discharge rate of terrestrial-source sewage outlets did not exceed 50%; however, only 13.12% of sea areas adjacent to sewage outlets (rivers) met the environmental quality requirements for functional marine areas. The results also showed the frequency of storm surges in the Bohai Sea which was 8.83 times per year and the resulting annual direct economic losses reached (RMB) 1.77 billion for 2006-2017. The results highlight the urgent need to implement an ecological management strategy to reduce the heavy ecological burdens in the coastal zone of the Bohai Sea. (C) 2020 Elsevier B.V. All rights reserved.
资助机构National Key Research and Development Program of China; Project of the Cultivation Plan of Superior Discipline Talent Teams of Universities in Shandong Province: the Coastal Resources and Environment team for Blue-Yellow Area; National Natural Science Foundation of China
收录类别SCI
语种英语
研究领域[WOS]Environmental Sciences & Ecology
WOS记录号WOS:000616232300056
引用统计被引频次:6[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/27430
专题中科院海岸带环境过程与生态修复重点实验室
中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
中科院海岸带环境过程与生态修复重点实验室_海岸带信息集成与战略规划研究中心
中科院海岸带环境过程与生态修复重点实验室_滨海湿地实验室
通讯作者Yu, Junbao; Yang, Jisong作者单位1.Ludong Univ, Key Lab Ecol Restorat & Conservat Coastal Wetland, Inst Adv Study Coastal Ecol, Yantai 264025, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
3.Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256601, Peoples R China
推荐引用方式
GB/T 7714Yu, Junbao,Zhou, Di,Yu, Miao,et al. Environmental threats induced heavy ecological burdens on the coastal zone of the Bohai Sea, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,765:8.
APAYu, Junbao.,Zhou, Di.,Yu, Miao.,Yang, Jisong.,Li, Yunzhao.,...&Qu, Fanzhu.(2021).Environmental threats induced heavy ecological burdens on the coastal zone of the Bohai Sea, China.SCIENCE OF THE TOTAL ENVIRONMENT,765,8.
MLAYu, Junbao,et al."Environmental threats induced heavy ecological burdens on the coastal zone of the Bohai Sea, China".SCIENCE OF THE TOTAL ENVIRONMENT 765(2021):8.
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Environmental threats induced heavy ecological burdens on the coastal zone of the Bohai Sea, China
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