Evidence that Soil Carbon Pool Determines Susceptibility of Semi-Natural Ecosystems to Elevated Nitrogen Leaching

  title={Evidence that Soil Carbon Pool Determines Susceptibility of Semi-Natural Ecosystems to Elevated Nitrogen Leaching},
  author={Christopher C D Evans and Brian D Reynolds and Alan D Jenkins and R. C. Helliwell and Christopher J. Curtis and Christine L. Goodale and Robert C. Ferrier and Bridget A. Emmett and Michael G. Pilkington and Simon J. M. Caporn and Jacky A. Carroll and David Norris and Jennifer Davies and Malcolm Coull},
Deposition of reactive nitrogen (N) compounds has the potential to cause severe damage to sensitive soils and waters, but the process of ‘nitrogen saturation’ is difficult to demonstrate or predict. This study compares outputs from a simple carbon–nitrogen model with observations of (1) regional- and catchment-scale relationships between surface water nitrate and dissolved organic carbon (DOC), as an indicator of catchment carbon (C) pool; (2) inter-regional variations in soil C/N ratios; and… CONTINUE READING


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