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@ARTICLE{Smith:20813,
      author       = {Smith, M. and Conte, P. and Berns, A.E. and Thomson, J.R.
                      and Cavagnaro, T.R.},
      title        = {{S}patial patterns of, and environmental controls on, soil
                      properties at a riparian-padock interface},
      journal      = {Soil biology $\&$ biochemistry},
      volume       = {49},
      issn         = {0038-0717},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-20813},
      pages        = {38 - 45},
      year         = {2012},
      note         = {The authors wish to thank the landholder and the Riparian
                      Restoration Experiment team for access to the field site. We
                      particularly wish to thank A/Prof. Tony Patti for his
                      valuable advice and helping to bring the authors together.
                      We also thank Ms. Leesa Hughes for lab assistance, and
                      members of the "Cav-Lab" for valuable discussions. PC
                      acknowledges Forschungszentrum Julich GmbH (Germany) for
                      having financed him as visiting scientist at the NMR center
                      of the IBG-3: Agrosphere, Institute of Bio- and Geosciences.
                      Financial assistance for this research was provided by the
                      School of Biological Sciences, Monash University and the
                      Murray Darling Basin Authority. TRC also thanks the Monash
                      Research Accelerator Program for supporting these
                      activities.},
      abstract     = {Riparian zones are prominent features of agricultural
                      landscapes because they are the last point to intercept
                      nutrients and sediments before they enter water bodies. We
                      investigated the soil properties, nutrient dynamics and
                      vegetation composition at the riparian agriculture
                      interface. Soil physicochemical and vegetation properties
                      were spatially heterogeneous along the transition from the
                      grazed paddock into the un-grazed and revegetated riparian
                      zone. Soil C stocks varied considerably across the site,
                      with values ranging from $2\%$ in the paddock to $5\%$ in
                      the riparian zone. Using Bayesian model selection, a
                      predictive model for total soil carbon was developed. By
                      including soil moisture content and canopy cover in the
                      model, it was possible to predict total soil carbon with
                      $80\%$ accuracy at the site level and $87\%$ at the transect
                      level. This opens up the potential for total soil carbon
                      levels to be estimated by the quantification of easily
                      measured ecosystem properties. Analysis of the chemical
                      nature of the carbon in theses soils by solid state C-13 NMR
                      spectroscopy, showed the presence of more recalcitrant forms
                      of carbon in the revegetated riparian zone compared to the
                      grazed paddock. Spatial patterns of soil mineral N pools
                      were highly variable (NO4+ - N ranged from 1 to 5 mu g/g dry
                      soil; NO3- - N ranged from 0.4 to 2.2 mu g/g dry soil);
                      however, clear patterns in potentially mineralizable N (PMN)
                      were observed, with rates of PMN in the paddock being less
                      than half of those adjacent to the stream in the riparian
                      zone. Results are discussed in the context of the dynamic
                      nature of soil processes at the agriculture - riparian
                      interface, and the potential to develop models to predict
                      soil carbon using easily measurable vegetation and soil
                      properties. (c) 2012 Elsevier Ltd. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IBG-3},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Soil Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000303423400006},
      doi          = {10.1016/j.soilbio.2012.02.007},
      url          = {https://juser.fz-juelich.de/record/20813},
}