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Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review

Diffusive losses of nitrogen and phosphorus from agricultural areas have detrimental effects on freshwater and marine ecosystems. Mitigation measures treating drainage water before it enters streams hold a high potential for reducing nitrogen and phosphorus losses from agricultural areas. To achieve...

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Autores principales: Carstensen, Mette Vodder, Hashemi, Fatemeh, Hoffmann, Carl Christian, Zak, Dominik, Audet, Joachim, Kronvang, Brian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Netherlands 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7502647/
https://www.ncbi.nlm.nih.gov/pubmed/32494964
http://dx.doi.org/10.1007/s13280-020-01345-5
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author Carstensen, Mette Vodder
Hashemi, Fatemeh
Hoffmann, Carl Christian
Zak, Dominik
Audet, Joachim
Kronvang, Brian
author_facet Carstensen, Mette Vodder
Hashemi, Fatemeh
Hoffmann, Carl Christian
Zak, Dominik
Audet, Joachim
Kronvang, Brian
author_sort Carstensen, Mette Vodder
collection PubMed
description Diffusive losses of nitrogen and phosphorus from agricultural areas have detrimental effects on freshwater and marine ecosystems. Mitigation measures treating drainage water before it enters streams hold a high potential for reducing nitrogen and phosphorus losses from agricultural areas. To achieve a better understanding of the opportunities and challenges characterising current and new drainage mitigation measures in oceanic and continental climates, we reviewed the nitrate and total phosphorus removal efficiency of: (i) free water surface constructed wetlands, (ii) denitrifying bioreactors, (iii) controlled drainage, (iv) saturated buffer zones and (v) integrated buffer zones. Our data analysis showed that the load of nitrate was substantially reduced by all five drainage mitigation measures, while they mainly acted as sinks of total phosphorus, but occasionally, also as sources. The various factors influencing performance, such as design, runoff characteristics and hydrology, differed in the studies, resulting in large variation in the reported removal efficiencies. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s13280-020-01345-5) contains supplementary material, which is available to authorized users.
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spelling pubmed-75026472020-10-01 Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review Carstensen, Mette Vodder Hashemi, Fatemeh Hoffmann, Carl Christian Zak, Dominik Audet, Joachim Kronvang, Brian Ambio Environmental Effects of a Green Bio-Economy Diffusive losses of nitrogen and phosphorus from agricultural areas have detrimental effects on freshwater and marine ecosystems. Mitigation measures treating drainage water before it enters streams hold a high potential for reducing nitrogen and phosphorus losses from agricultural areas. To achieve a better understanding of the opportunities and challenges characterising current and new drainage mitigation measures in oceanic and continental climates, we reviewed the nitrate and total phosphorus removal efficiency of: (i) free water surface constructed wetlands, (ii) denitrifying bioreactors, (iii) controlled drainage, (iv) saturated buffer zones and (v) integrated buffer zones. Our data analysis showed that the load of nitrate was substantially reduced by all five drainage mitigation measures, while they mainly acted as sinks of total phosphorus, but occasionally, also as sources. The various factors influencing performance, such as design, runoff characteristics and hydrology, differed in the studies, resulting in large variation in the reported removal efficiencies. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s13280-020-01345-5) contains supplementary material, which is available to authorized users. Springer Netherlands 2020-06-03 2020-11 /pmc/articles/PMC7502647/ /pubmed/32494964 http://dx.doi.org/10.1007/s13280-020-01345-5 Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Environmental Effects of a Green Bio-Economy
Carstensen, Mette Vodder
Hashemi, Fatemeh
Hoffmann, Carl Christian
Zak, Dominik
Audet, Joachim
Kronvang, Brian
Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review
title Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review
title_full Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review
title_fullStr Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review
title_full_unstemmed Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review
title_short Efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: A review
title_sort efficiency of mitigation measures targeting nutrient losses from agricultural drainage systems: a review
topic Environmental Effects of a Green Bio-Economy
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7502647/
https://www.ncbi.nlm.nih.gov/pubmed/32494964
http://dx.doi.org/10.1007/s13280-020-01345-5
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