Integrated Assessment of Soil Chemical Status. 1. Integration of Existing Models and Derivation of a Regional Database for Switzerland; M. Alveteg, et al. Integrated Assessment of Soil Chemical Status. 2. Application of a Regionalized Model to 622 Forested Sites in Switzerland; D. Kurz, et al. MAGIC, SAFE and SMART Model Applications at Integrated Monitoring Sites: Effects of Emission Reduction Scenarios; M. Forsius, et al. Predicting Freshwater Critical Loads of Acidification at the Catchment Scale: An Empirical Model; M.R. Kernan, et al. Evidence of Current Soil Acidification in Spruce Stands in the Vosges Mountains, North-Eastern France; E. Dambrine, et al. A Comparison of Soil Sensitivity to Acidification Based on Laboratory-determined Short-Term Acid Buffering Capacity and the Skokloster Classification; M.E. Hodson, et al. Proton Budgets of Forest Ecosystems on Volcanogenous Regosols in Hokkaido, Northern Japan; H. Shibata, et al. GIS Analysis of Surface Water Chemistry Susceptibility and Response to Industrial Air Pollution in the Kola Peninsula, Northern Russia; O. Rigina. Effects of Atmospheric Sea-salt Deposition on Soils and Freshwaters in Northeast Scotland; C.C. White, et al. Acidification of Freshwater Wetlands: Combined Effects of Non-airborne Sulfur Pollution and Desiccation; L.P.M. Lamers, et al. Trace Gas Emissions from a North Wales Fen - Role of Hydrochemistry and Soil Enzyme Activity; H. Kang, et al. Estimating Rainy Season Nitrous Oxide and Methane Fluxes Across Forest and Pasture Landscapes in Costa Rica; W.A. Reiners, et al. GIS-based Extrapolation of Land Use-Related Nitrous Oxide Flux in the Atlantic Zone of Costa Rica; R.A.J. Plant. Synthesis of Nitrogen Pools and Fluxes from European Forest Ecosystems; N.B. Dise, et al. The Behavior of Nitrogen Isotopes in Acidified Forest Soils in the Czech Republic; F. Buzek, et al. Canopy and Soil Retention of Nitrogen Deposition in a Mixed Boreal Forest in Eastern Finland; S. Piirainen, et al. Effects of Chronic Nitrogen Amendments on Production of Dissolved Organic Carbon and Nitrogen in Forest Soils; W.H. McDowell, et al. Effect of Chronic Nitrogen Additions on Soil Nitrogen Fractions in Red Spruce Stands; M.B. David, et al. An Empirical Approach for Assessing the Relationship Between Nitrogen Deposition and Nitrate Leaching from Upland Catchments in the United Kingdom Using Runoff Chemistry; R. Harriman, et al. The Prediction of Nitrate Leaching with the First-Order Acidity Balance (FAB) Model for Upland Catchment in Great Britain; C.J. Curtis, et al. Nitrogen and Sulfate Export from High Elevation Catchments of the Sierra Nevada, California; J.O. Sickman, J.M. Melack. Links Between Runoff Generation, Climate and Nitrate-N Leaching from Forested Catchments; L. Andersson, A. Lepistoe. Leaching of Nutrients, Organic Carbon and Iron from Finnish Forestry Land; P. Kortelainen, S. Saukkonen. Precipitation Change and Soil Leaching: Field Results and Simulations from Walker Branch Watershed, Tennessee; D.W. Johnson, et al. Tracing Hydrologic Pathways Using Chloride at the Panola Mountain Research Watershed, Georgia, USA; N.E. Peters, E.B. Ratcliffe. A Comparison of Methods for Deriving Solute Flux Rates Using Long-Term Data from Streams in the Mirror Lake Watershed; P.A. Bukaveckas, et al. Effect of Altitude and Tree Species on &dgr;34s of Deposited Sulfur (Jezeři Catchment, Czech Republic); H. Groscheova, et al. Organic Sulfur and the Retention of Nutrient Cations in Forest Surface Soils; H.G. Spratt Jr. Recovery of Surface Waters in the Northeastern U.S. From Decreases in Atmospheric