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One of the ‘grand challenges’ of this age is the anthropogenic impact exerted on the nitrogen cycle. Issues of concern range from an excess of fixed nitrogen resulting in environmental pressures for some regions, while for other regions insufficient fixed nitrogen affects food security and may le...


Reis, S.Bekunda, Mateete A.Howard, C.Karanja, N.Winiwarter, W.Yan, X.Bleeker, A.Sutton, M.A.[Synthesis and review: tackling the nitrogen management challenge: from global to local scales]Synthesis and review: tackling the nitrogen management challenge: from global to local scales

Global nitrogen fixation contributes 413 Tg of reactive nitrogen (Nr) to terrestrial and marine ecosystems annually of which anthropogenic activities are responsible for half, 210 Tg N. The majority of the transformations of anthropogenic Nr are on land (240 Tg N yr-1) within soils and vegetation...


Fowler, D.Coyle, M.Skiba, U.Sutton, M.A.Cape, J.N.Reis, S.Sheppard, L.J.Jenkins, A.Grizetti, B.Galloway, J.N.Vitousek, P.Leach, A.Bouwman, A.F.Butterbach-Bahl, KlausDentener, F.Stevenson, D.Amann, M.Voss, M.l.[The global nitrogen cycle in the twenty-first century]The global nitrogen cycle in the twenty-first century

Humans utilise about 40% of the earth's net primary production (NPP) but the products of this NPP are often managed by different sectors, with timber and forest products managed by the forestry sector and food and fibre products from croplands and grasslands managed by the agricultural sector. Ot...


Smith, PeteNabuurs, G.J.Janssens, I.A.Reis, S.Marland, G.Soussana, J.F.Christensen, T.R.Heath, L.Apps, M.Alexeyev, V.Jingyun FangGattuso, J.-P.Guerschman, J.P.Yao HuangJobbagy, E.Murdiyarso, DanielJian NiNobre, A.Changhui PengWalcroft, A.Shao Qiang WangPan, Y.Guang Sheng Zhou[Sectoral approaches to improve regional carbon budgets]Sectoral approaches to improve regional carbon budgets
Bekunda, Mateete A.Reis, S.Karanja, N.Winiwarter, W.Sutton, M.Howard, C.Yan, X.[Focus on nitrogen management challenges: from global to local scales]Focus on nitrogen management challenges: from global to local scales

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