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Eutrophication

Eutrophication. By Tadhamin Ailewe.

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Eutrophication

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  1. Eutrophication By TadhaminAilewe

  2. Eutrophication can be defined “is the process of nutrient enrichment (usually by nitrogen and phosphorus) in aquatic ecosystems such that the productivity of the system ceases to be limited by the availability of nutrients. It occurs naturally over geological time, but maybe accelerated by human activities (e.g. sewage disposal or land drainage”(Orive, Elliott & de Jonge 2002).

  3. Causes of Eutrophication: • Human waste • Fertilizer • Livestock waste

  4. Effects • Eutrophication plays a significant role in affecting water quality and ecosystems . • Eutrophication can cause bloom of cyanobacteria (blue-green algae) in fresh water (Carpenter et al. 1998). • Unacceptable drinking water, fish kills, hepatotoxins released when cyanobacterial blooms die and kill livestock and can cause a serious hazard of human health (Carpenter et al. 1998). • Eutrophicationcauses degradation of bottom habitat such as fishes and crustaceans (Powers et al. 2005). This • Direct health effects on humans and other mammals (Carpenter et al. 1998).

  5. Eutrophication in Australia, Peel Harvey Catchment – Case study • Causes • Effects • Possible solutions

  6. Eutrophication in Iraq, Al-Basrah- Case study • Causes • Effects • Possible solutions

  7. Conclusion Agricultural activities such as grazing animals and applying fertilizer have negative impacts on water quality and ecosystem by increasing the amount of nutrients in the water. Farmers and people are directly affected by eutrophication issue by polluting the water and hazarding human and animal’s health. So it is important to involve people with government action plan to control eutrophication issue.

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