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000056229 0247_ $$2DOI$$a10.2134/jeq2006.0217
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000056229 041__ $$aeng
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000056229 084__ $$2WoS$$aEnvironmental Sciences
000056229 1001_ $$0P:(DE-HGF)0$$aOelmann, Y.$$b0
000056229 245__ $$aNitrogen and phosphorus budgets in experimental grasslands of variable diversity
000056229 260__ $$aMadison, Wis.$$bASA [u.a.]$$c2007
000056229 300__ $$a396 - 407
000056229 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000056229 440_0 $$03300$$aJournal of Environmental Quality$$v36$$x0047-2425
000056229 500__ $$aRecord converted from VDB: 12.11.2012
000056229 520__ $$aPrevious research has shown that plant diversity influences N and P cycles. However, the effect of plant diversity on complete ecosystem N and P budgets has not yet been assessed. For 20 plots of artificially established grassland mixtures differing in plant diversity, we determined N and P inputs by bulk and dry deposition and N and P losses by mowing (and subsequent removal of the biomass) and leaching from April 2003 to March 2004. Total deposition of N and P was 2.3 +/- 0.1 and 0.2 +/- 0.01 g m(-2) yr(-1), respectively. Mowing was the main N and P loss. The net N and P budgets were negative (-6.3 +/- 1.1 g N and -1.9 +/- 0.2 g P m(-2) yr(-1)). For N, this included a conservative estimate of atmospheric N(2) fixation. Nitrogen losses as N(2)O were expected to be small at our study site (<0.05 g m(-2) yr(-1)). Legumes increased the removal of N with the harvest and decreased leaching of NH(4)-N and dissolved organic nitrogen (DON) from the canopy. Reduced roughness of grass-containing mixtures decreased dry deposition of N and P. Total dissolved P and NO(3)-N leaching from the canopy increased in the presence of grasses attributable to the decreased N and P demand of grass-containing mixtures. Species richness did not have an effect on any of the studied fluxes. Our results demonstrate that the N and P fluxes in managed grassland are modified by the presence or absence of particular functional plant groups and are mainly driven by the management.
000056229 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
000056229 588__ $$aDataset connected to Web of Science, Pubmed
000056229 650_2 $$2MeSH$$aAgriculture: methods
000056229 650_2 $$2MeSH$$aBiodiversity
000056229 650_2 $$2MeSH$$aBiomass
000056229 650_2 $$2MeSH$$aFabaceae: growth & development
000056229 650_2 $$2MeSH$$aNitrates: analysis
000056229 650_2 $$2MeSH$$aNitrogen: analysis
000056229 650_2 $$2MeSH$$aPhosphorus: analysis
000056229 650_2 $$2MeSH$$aPoaceae: growth & development
000056229 650_2 $$2MeSH$$aQuaternary Ammonium Compounds: analysis
000056229 650_2 $$2MeSH$$aRain
000056229 650_2 $$2MeSH$$aSoil: analysis
000056229 650_7 $$00$$2NLM Chemicals$$aNitrates
000056229 650_7 $$00$$2NLM Chemicals$$aQuaternary Ammonium Compounds
000056229 650_7 $$00$$2NLM Chemicals$$aSoil
000056229 650_7 $$07723-14-0$$2NLM Chemicals$$aPhosphorus
000056229 650_7 $$07727-37-9$$2NLM Chemicals$$aNitrogen
000056229 650_7 $$2WoSType$$aJ
000056229 7001_ $$0P:(DE-HGF)0$$aKreutziger, Y.$$b1
000056229 7001_ $$0P:(DE-Juel1)129409$$aTemperton, V.  M.$$b2$$uFZJ
000056229 7001_ $$0P:(DE-HGF)0$$aBuchmann, N.$$b3
000056229 7001_ $$0P:(DE-HGF)0$$aRoscher, Ch.$$b4
000056229 7001_ $$0P:(DE-HGF)0$$aSchumacher, J.$$b5
000056229 7001_ $$0P:(DE-HGF)0$$aSchulze, E.-D.$$b6
000056229 7001_ $$0P:(DE-HGF)0$$aWeisser, W. W.$$b7
000056229 7001_ $$0P:(DE-HGF)0$$aWilcke, W.$$b8
000056229 773__ $$0PERI:(DE-600)2050469-X$$a10.2134/jeq2006.0217$$gVol. 36, p. 396 - 407$$p396 - 407$$q36<396 - 407$$tJournal of environmental quality$$v36$$x0047-2425$$y2007
000056229 8567_ $$uhttp://dx.doi.org/10.2134/jeq2006.0217
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000056229 9141_ $$y2007
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