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dc.contributor.authorVogt, Estheren_UK
dc.contributor.authorBraban, Christine Fen_UK
dc.contributor.authorDragosits, Ulrikeen_UK
dc.contributor.authorDurand, Patricken_UK
dc.contributor.authorSutton, Mark Aen_UK
dc.contributor.authorTheobald, Mark Ren_UK
dc.contributor.authorRees, Robert Men_UK
dc.contributor.authorMcDonald, Chrisen_UK
dc.contributor.authorMurray, Scotten_UK
dc.contributor.authorBillett, Michaelen_UK
dc.description.abstractWe present annual downstream fluxes and spatial variation in concentrations of dissolved inorganic nitrogen (NH4+and NO3−) and dissolved organic nitrogen (DON) in two adjacent Scottish catchments with contrasting land use (agricultural grassland vs. semi-natural moorland). Inter- and intra-catchment variation in N species and the relation to spatial differences in agricultural land use were studied by determining catchment N input through agricultural activities at the field scale and atmospheric inputs at a 25m grid resolution. The average agricultural N input of 52 kg N ha−1 yr−1 to the grassland catchment was more than 4 times higher than the input of 12 kg N ha−1 yr−1 to the moorland catchment, supplemented by 12.3 and 8.2 kg N ha−1 yr−1 through atmospheric deposition, respectively. The grassland catchment was associated with an annual downstream total dissolved nitrogen (TDN) flux of 14.4 kg N ha−1 yr−1, which was 66% higher than the flux of 8.7 kg ha−1 yr−1 from the moorland catchment. This difference was largely due to the NO3− flux being one order of magnitude higher in the grassland catchment. Dissolved organic N fluxes were similar for the two catchments (7.0 kg ha−1yr−1) with DON contributing 49% to the TDN flux in the grassland compared with 81% in the moorland catchment. The results highlight the importance of diffuse agricultural N inputs to stream NO3− concentrations and the importance of quantifying all the major aquatic N species for developing a better understanding of N transformations and transport in the atmosphere-soil-water system.en_UK
dc.relationVogt E, Braban CF, Dragosits U, Durand P, Sutton MA, Theobald MR, Rees RM, McDonald C, Murray S & Billett M (2015) Catchment land use effects on fluxes and concentrations of organic and inorganic nitrogen in streams. Agriculture, Ecosystems and Environment, 199, pp. 320-332.
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjectOrganic nitrogenen_UK
dc.subjectStream exporten_UK
dc.subjectCatchment fluxen_UK
dc.subjectLand useen_UK
dc.titleCatchment land use effects on fluxes and concentrations of organic and inorganic nitrogen in streamsen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Vogt et al_AEE_2015.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.citation.jtitleAgriculture, Ecosystems and Environmenten_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationCentre for Ecology & Hydrology (CEH)en_UK
dc.contributor.affiliationCentre for Ecology & Hydrology (CEH)en_UK
dc.contributor.affiliationCentre for Ecology & Hydrology (CEH)en_UK
dc.contributor.affiliationInstitut National de la Recherche Agronomiqueen_UK
dc.contributor.affiliationCentre for Ecology & Hydrology (CEH)en_UK
dc.contributor.affiliationCentre for Ecology & Hydrology (CEH)en_UK
dc.contributor.affiliationScotland's Rural College (SRUC)en_UK
dc.contributor.affiliationScotland's Rural College (SRUC)en_UK
dc.contributor.affiliationScotland's Rural College (SRUC)en_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorVogt, Esther|en_UK
local.rioxx.authorBraban, Christine F|en_UK
local.rioxx.authorDragosits, Ulrike|en_UK
local.rioxx.authorDurand, Patrick|en_UK
local.rioxx.authorSutton, Mark A|en_UK
local.rioxx.authorTheobald, Mark R|en_UK
local.rioxx.authorRees, Robert M|en_UK
local.rioxx.authorMcDonald, Chris|en_UK
local.rioxx.authorMurray, Scott|en_UK
local.rioxx.authorBillett, Michael|0000-0003-3737-6063en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameVogt et al_AEE_2015.pdfen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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