Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 483300
Title The increasing impact of food production on nutrient export by rivers to the Bay of Bengal 1970–2050
Author(s) Sattar, M.A.; Kroeze, C.; Strokal, M.
Source Marine Pollution Bulletin 80 (2014)1-2. - ISSN 0025-326X - p. 168 - 178.
DOI https://doi.org/10.1016/j.marpolbul.2014.01.017
Department(s) Environmental Systems Analysis
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) harmful algal blooms - management strategies - coastal nitrogen - shrimp culture - future-trends - sewage-sludge - water-quality - india - soil - eutrophication
Abstract The objective of this study is to assess the impact of food production on river export of nutrients to the coastal waters of the Bay of Bengal in the past (1970 and 2000) and the future (2030 and 2050), and the associated potential for coastal eutrophication. We model nutrient export from land to sea, using the Global NEWS (Nutrient Export from WaterSheds) approach. We calculate increases in river export of N and P over time. Agricultural sources account for about 70–80% of the N and P in rivers. The coastal eutrophication potential is high in the Bay. In 2000, nutrient discharge from about 85% of the basin area of the Bay drains into coastal seas contributes to the risk of coastal eutrophication. By 2050, this may be 96%. We also present an alternative scenario in which N and P inputs to the Bay are 20–35% lower than in the baseline.
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