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Modelling of soil acidity and nitrogen availability in natural ecosystems in response to changes in acid deposition and hydrology

Authors
  • Kros, J.
  • Reinds, G.J.
  • de Vries, W.
Publication Date
Jan 01, 1995
Source
Wageningen University and Researchcenter Publications
Keywords
Language
English
License
Unknown
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Abstract

Changes in vegetation are often caused by changes in abiotic site factors. The SMART2 model has been developed to evaluate the effects of changes in ion inputs by atmospheric deposition and seepage on these site factors. Linkage with the Multiple Stress Model for Vegetation (MOVE) enables evaluation of the effects on the occurrence probability of vegetation species in response to deposition and seepage scenarios. Combinations of two deposition and two seepage scenarios were evaluated with SMART2. Results focused on pH, nitrogen availability and base saturation. Effects of changes in pH on the occurrence probability of forest understorey in a nutrient-poor deciduous forest were evaluated with MOVE.

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