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@ARTICLE{Popp:828066,
      author       = {Popp, Denny and von Gillhaussen, Philipp and Weidlich,
                      Emanuela W. A. and Sträuber, Heike and Harms, Hauke and
                      Temperton, Vicky},
      title        = {{M}ethane yield of biomass from extensive grassland is
                      affected by compositional changes induced by order of
                      arrival},
      journal      = {Global change biology / Bioenergy},
      volume       = {9},
      number       = {10},
      issn         = {1757-1693},
      address      = {Oxford},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2017-02071},
      pages        = {1555–1562},
      year         = {2017},
      abstract     = {Low-input grassland biomass from marginal and other
                      slightly more fertile sites can be used for energy
                      production without competing with food or fodder production.
                      The effect of grassland diversity on methane yield has
                      received some attention, but we do not know how community
                      assembly may affect methane yield from grassland biomass.
                      However, methane yields determine the potential economic
                      value of a bioenergy substrate. Hence, a better
                      understanding of how plant community assembly affects
                      methane yield would be important. We measured biomass
                      production and methane yield in the second year of a
                      grassland field experiment which manipulated the order of
                      arrival of different plant functional groups (forbs, grasses
                      or legumes sown first and all sown simultaneously) and sown
                      diversity (9 vs. 21 species). The order of arrival of the
                      plant functional groups significantly determined the
                      relative dominance of each group which in turn mainly
                      explained the variance in aboveground biomass production.
                      Differences in area-specific methane yields were driven by
                      differences in biomass production and which plant functional
                      groups dominated a plot. When grasses were sown first,
                      legumes and grasses codominated a plot and the highest
                      area-specific methane yield was obtained. Overall, the
                      results indicate that altering the order of arrival affected
                      the community functional and species composition (and hence
                      methane yields) much more than sown diversity. Our study
                      shows that a combined use of positive biodiversity effects
                      and guided plant community assembly may be able to optimize
                      methane yields under field conditions. This may allow a
                      guided, sustainable, and lucrative use of grassland biomass
                      for biogas production in the future.},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000411013500003},
      doi          = {10.1111/gcbb.12441},
      url          = {https://juser.fz-juelich.de/record/828066},
}