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| one publication added to basket [396585] |
Large reductions in nutrient losses needed to avoid future coastal eutrophication across Europe
In: Marine Environmental Research. Applied Science Publishers: Barking. ISSN 0141-1136; e-ISSN 1879-0291, meer
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| Author keywords |
Coastal eutrophication; Future scenario analysis; MARINA-Nutrients model for Europe; River export of nutrients; Source contribution |
| Auteurs | | Top |
- Ural-Janssen, A., meer
- Kroeze, C.
- Meers, E., meer
- Strokal, M.
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| Abstract |
Rapid technological development in agriculture and fast urbanization have increased nutrient losses in Europe. High nutrient export to seas causes coastal eutrophication and harmful algal blooms. This study aims to assess the river exports of nitrogen (N) and phosphorus (P), and identify required reductions to avoid coastal eutrophication in Europe under global change. We modelled nutrient export by 594 rivers in 2050 for a baseline scenario using the new MARINA-Nutrients model for Europe. Nutrient export to European seas is expected to increase by 13–28% under global change. Manure and fertilizers together contribute to river export of N by 35% in 2050. Sewage systems are responsible for 70% of future P export by rivers. By 2050, the top ten polluted rivers for N and P host 42% of the European population. Avoiding future coastal eutrophication requires over 47% less N and up to 77% less P exports by these polluted rivers. |
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