Integrated studies on the assessment and improvement of soil and water quality have to deal almost inevitably with issues of scale, since the spatial support of measurements, the model calculations and the presentation of results usually vary. This boo
Preface. Part I: Keynotes. 1. Soil and water quality at different scales: concepts, challenges, conclusions and recommendations; J. Bouma, et al. 2. Relevance of scale dependent approaches for integrating biophysical and socio-economic information and