In order to evaluate the effects of eutrophication, acidification and drought on site factors, the SMART2 model has been developed. For the Netherlands, combinations of acidification and seepage scenarios were evaluated with SMART2. The results are focused on pH, nitrogen availability and base saturation. Results showed that deposition reductions lead to a relatively fast improvement of the site factors, increase in pH and base saturation and decrease in nitrogen availability, whereas a reduction in groundwater abstractions by 25% has little or no effect on pH and nitrogen availability.
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