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eutrophication
Sign in to savethumb|313x313px|Eutrophication can cause harmful algal blooms like this one in a river near Chengdu, China.
Eutrophication is the process where a body of water becomes overly enriched with nutrients, causing excessive algae and plant growth that can harm aquatic ecosystems. It matters because it degrades water quality, depletes oxygen in the water, and can create conditions toxic to fish and other organisms, as shown by the harmful algal blooms that result from this process.
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Research
20,145 papers- Effects of marine eutrophication environment on microbial corrosion: A review.ReviewMarine pollution bulletin · 2024Guo D, Wang Y, Zhang Y et al.DOI: 10.1016/j.marpolbul.2024.116637
- The role of freshwater eutrophication in greenhouse gas emissions: A review.ReviewThe Science of the total environment · 2021Li Y, Shang J, Zhang C et al.DOI: 10.1016/j.scitotenv.2020.144582
- Classifying eutrophication spatio-temporal dynamics in river systems using deep learning technique.The Science of the total environment · 2024Lee D, Moon J, Jung S et al.DOI: 10.1016/j.scitotenv.2024.176585
- Coastal marine eutrophication assessment: a review on data analysis.ReviewEnvironment international · 2011Kitsiou D, Karydis MDOI: 10.1016/j.envint.2011.02.004
- Primacy of ecological engineering tools for combating eutrophication: An ecohydrological assessment pathway.ReviewThe Science of the total environment · 2021Paul B, Bhattacharya SS, Gogoi NDOI: 10.1016/j.scitotenv.2020.143171
- Eutrophication impacts the distribution and functional traits of viral communities in lakes.The Science of the total environment · 2024Zhang Q, Xiong Y, Zhang J et al.DOI: 10.1016/j.scitotenv.2024.174339
- Eutrophication-driven infochemical dimethylsulfide accelerates carbon transfer in freshwater food chain.Journal of environmental management · 2024Yang W, Tan Q, Zhao H et al.DOI: 10.1016/j.jenvman.2024.120155
- Globally consistent assessment of coastal eutrophication.Nature communications · 2021Maúre ER, Terauchi G, Ishizaka J et al.DOI: 10.1038/s41467-021-26391-9
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- Eutrophication
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~33 min read
Article
30 sectionsContents
- History and terminology
- Causes
- Cultural eutrophication
- Natural eutrophication
- Effects
- Ecological effects
- Decreased biodiversity
- New species invasion
- Toxicity
- Economic effects
- Health impacts
- Causes and effects for different types of water bodies
- Freshwater systems
- Coastal waters
- Effects of coastal eutrophication
- Extent of the problem
- Prevention
- Minimizing pollution from sewage
- Minimizing nutrient pollution by agriculture
- Policy
- Reversal and remediation
- Algae bloom forecasting
- Nutrient bioextraction
- Shellfish in estuaries
- Seaweed farming
- Geo-engineering
- Chemical removal of phosphorus
- See also
- External links
- References
thumb|313x313px|Eutrophication can cause harmful algal blooms like this one in a river near Chengdu, China.
Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water; i.e. the process of too many plants growing on the surface of a river, lake, etc., often because chemicals that are used to help crops grow have been carried there by rain. Eutrophication may occur naturally or as a result of human actions. Manmade, or cultural, eutrophication occurs when sewage, industrial wastewater, fertilizer runoff, and other nutrient sources are released into the environment. Such nutrient pollution usually causes algal blooms and bacterial growth, resulting in the depletion of dissolved oxygen in water and causing substantial environmental degradation. Many policies have been introduced to combat eutrophication, including the United Nations Development Program (UNDP)'s sustainability development goals.