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@ARTICLE{Oelmann:56229,
      author       = {Oelmann, Y. and Kreutziger, Y. and Temperton, V. M. and
                      Buchmann, N. and Roscher, Ch. and Schumacher, J. and
                      Schulze, E.-D. and Weisser, W. W. and Wilcke, W.},
      title        = {{N}itrogen and phosphorus budgets in experimental
                      grasslands of variable diversity},
      journal      = {Journal of environmental quality},
      volume       = {36},
      issn         = {0047-2425},
      address      = {Madison, Wis.},
      publisher    = {ASA [u.a.]},
      reportid     = {PreJuSER-56229},
      pages        = {396 - 407},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Previous 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.},
      keywords     = {Agriculture: methods / Biodiversity / Biomass / Fabaceae:
                      growth $\&$ development / Nitrates: analysis / Nitrogen:
                      analysis / Phosphorus: analysis / Poaceae: growth $\&$
                      development / Quaternary Ammonium Compounds: analysis / Rain
                      / Soil: analysis / Nitrates (NLM Chemicals) / Quaternary
                      Ammonium Compounds (NLM Chemicals) / Soil (NLM Chemicals) /
                      Phosphorus (NLM Chemicals) / Nitrogen (NLM Chemicals) / J
                      (WoSType)},
      cin          = {ICG-3},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)ICG-3-20090406},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:17255627},
      UT           = {WOS:000244979300007},
      doi          = {10.2134/jeq2006.0217},
      url          = {https://juser.fz-juelich.de/record/56229},
}