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Nitrogen in water-Portugal and Denmark: two contrasting realities

2019Journal article Open access
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dc.contributor.authorCruz, Soraia
dc.contributor.authorCordovil, Cláudia
dc.contributor.authorPinto, Renata
dc.contributor.authorBrito, Antonio Guerreiro De
dc.contributor.authorCameira, Maria
dc.contributor.authorGonçalves, Guilherme
dc.contributor.authorPoulsen, Jane R.
dc.contributor.authorThodsen, Hans
dc.contributor.authorKronvang, Brian
dc.contributor.authorMay, Linda
dc.date.accessioned2019-07-26T13:23:00Z
dc.date.available2019-07-26T13:23:00Z
dc.date.issued2019
dc.descriptionReviewpt_PT
dc.description.abstractAgricultural activities are responsible for most of the nitrogen (N) inputs that degrade water quality. To elucidate the drivers leading to N pressures on water, we examined the resulting state of surface waters in terms of N concentrations, the impact of this on water quality status and policy responses to these constraints across different climatic and management conditions. Portugal and Denmark were chosen as contrasting case studies for the Driver-Pressure-State-Impact-Response (DPSIR) analysis. Our results showed reductions of 39% and 25% in the use of mineral fertilizer in Portugal and Denmark, respectively, between 2000 and 2010. The N surplus in Portugal varied between 15 and 30 kg N ha -1 between 1995 and 2015. In Denmark, in 2015, this amount was 70 kg N ha -1, representing a 53% decrease from the 1990 value. The average amount of total N discharged to surface waters was 7 kg ha -1 for mainland Portugal in 2015 and 14.6 kg ha -1 for Denmark in 2014. These reductions in the N surplus were attributed to historical policies aimed at N pressure abatement. In Denmark, N losses are expected to decline further through the continuation or improvement of existing national action plans. In Portugal, they are expected to decline further due to the expansion of Nitrate Vulnerable Zones and the introduction of targeted policies aimed at improving N use effciency and reducing losses to waterpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationWater 2019, 11, 1114pt_PT
dc.identifier.doi10.3390/w11061114pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/18180
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionwww.mdpi.com/journal/waterpt_PT
dc.subjectagricultural intensificationpt_PT
dc.subjectDPSIRpt_PT
dc.subjectnitrogenpt_PT
dc.subjectpressurespt_PT
dc.subjectpoliciespt_PT
dc.subjectsurface water pollutionpt_PT
dc.titleNitrogen in water-Portugal and Denmark: two contrasting realitiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleWaterpt_PT
person.familyNameMarques dos Santos Cordovil
person.familyNameBrito
person.familyNamedo Rosário da Conceição Cameira
person.givenNameCláudia
person.givenNameAntonio Guerreiro de
person.givenNameMaria
person.identifier.ciencia-idED10-B19E-CFFA
person.identifier.ciencia-idB418-5A61-8B8B
person.identifier.orcid0000-0001-8864-2611
person.identifier.orcid0000-0003-1356-3358
person.identifier.orcid0000-0002-2186-5172
person.identifier.ridH-9503-2012
person.identifier.scopus-author-id9636367000
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication5be31b49-6107-4e76-80aa-82d03af4b30c
relation.isAuthorOfPublicationa73d993f-5478-4977-b341-b2a7d62a8dfb
relation.isAuthorOfPublicationb0cf5ac6-ba25-4c12-96a6-d85a2f57fa0b
relation.isAuthorOfPublication.latestForDiscovery5be31b49-6107-4e76-80aa-82d03af4b30c

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