
Preface. Monitoring: - Long Term Development of Element Budgets in a Norway Spruce (Picea abies (L.) Karst.) Forest of the German Solling Area; B. Manderscheid, E. Matzner, K.-J. Meiwes, Y. Xu. Ion Mass Budgets for Small Forested Catchments in Finland; M. Forsius, S. Kleemola,...