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Ecological degeneration of the Erhai Lake and prevention measures
Wang, Shengrui1,2; Zhang, Li1,2; Ni, Leyi3; Zhao, Haichao1,2; Jiao, Lixin1,2; Yang, Suwen1,2; Guo, Longgen3; Shen, Jianzong4
AbstractThe water quality of Erhai Lake is good as a whole, but its decreasing trend is not optimistic; the water ecosystem of Erhai Lake has changed dramatically, showing an obvious degenerating trend. The main reasons for the ecosystem degeneration are as follows: inflow pollution load exceeding the water environmental capacity, not favorable water habitat for the propagation of submerged plants, and the weak management for the lake basin. To prevent the degeneration of Erhai ecosystem, two key problems should be solved: one is to reduce the inflow pollution load to prevent the increase of nitrogen and phosphorus concentrations in the overlying water; and the other is to implement the ecosystem regulation, namely improve the stability and biodiversity of Erhai ecosystem by habitat improvement, ecological restoration and ecological regulation. In terms of the preventive measures against the Erhai ecosystem degeneration, the pollution source control in combination with ecosystem regulation should be taken as the focus. Pollution source control, habitat improvement, ecological restoration, ecological regulation and watershed management should be emphasized simultaneously. To be specific, the key tasks for preventing Erhai ecosystem degeneration include five points namely, the reduction of pollution loading into lake, adjustment of ecological fishery, restoration of submerged vegetation, watershed integrated management, and emergency treatment of water blooms.
KeywordErhai Lake Water Ecosystem Anti-degeneration Biological Group Submerged Vegetation Eutrophication
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology ; Geology ; Water Resources
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000360401400015
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
2.Chinese Res Inst Environm Sci, Res Ctr Lake Ecoenvironm, State Environm Protect Key Lab Lake Pollut Contro, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
4.Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
Recommended Citation
GB/T 7714
Wang, Shengrui,Zhang, Li,Ni, Leyi,et al. Ecological degeneration of the Erhai Lake and prevention measures[J]. ENVIRONMENTAL EARTH SCIENCES,2015,74(5):3839-3847.
APA Wang, Shengrui.,Zhang, Li.,Ni, Leyi.,Zhao, Haichao.,Jiao, Lixin.,...&Shen, Jianzong.(2015).Ecological degeneration of the Erhai Lake and prevention measures.ENVIRONMENTAL EARTH SCIENCES,74(5),3839-3847.
MLA Wang, Shengrui,et al."Ecological degeneration of the Erhai Lake and prevention measures".ENVIRONMENTAL EARTH SCIENCES 74.5(2015):3839-3847.
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