Biogeochemical Investigations of Terrestrial, Freshwater, and Wetland Ecosystems across the Globe

<P>Preface. Acknowledgements. </P>
<P><STRONG>Keynote</STRONG> <STRONG>address.</STRONG> Biogeochemistry: Some opportunities and challenges for the future; <EM>G.E. Likens.</EM> </P>
<P><STRONG>Catchment and regional-scale modelling.</STRONG> Critical loads of acidity for surface waters in south-central Ontario, Canada: Regional application of the First-order Acidity Balance (FAB) model; <EM>J. Aherne, et al.</EM> Effects of climate events on elemental fluxes from forested catchments in Ontario, Canada: Modelling drought-induced redox processes; <EM>J. Aherne, et al.</EM> Projecting regional patterns of future soil chemistry status in Swedish forests using SAFE; <EM>M.</EM> <EM>Alveteg.</EM> Sorption of Cd in soils: Pedotransfer functions for the parameters of the Freundlich sorption isotherm; <EM>A.L. Horn, et al.</EM> The development of a GIS-based inventory of standing waters in Great Britain together with a risk-based prioritisation protocol; <EM>M. Hughes,</EM> <EM>et al.</EM> Simulation of nitrogen dynamics and fluxes in contrasting catchments in Norway by applying the Integrated Nitrogen model for CAtchments (INCA);<EM> Ø. Kaste.</EM> The use of a GIS-based inventory to provide a regional risk assessment of standing waters in Great Britain sensitive to acidification from atmospheric deposition; <EM>M.</EM> <EM>Kernan, et al.</EM> Integrated nitrogen modeling in a boreal forestry dominated river basin: N fluxes and retention in lakes and peatlands; <EM>A. Lepistö, et al.</EM> Uncertainties in predictions of surface water acidity using the MAGIC model; <EM>T. Larssen, et al.</EM> Modelling acidification and recovery of Swedish lakes; <EM>F. Moldan, et al.</EM> Integrated nitrogen and flow modelling (INCA) in a boreal river basin dominated by forestry: Scenarios of environmental change; <EM>K. Rankinen,</EM> <EM>et al.</EM> Assessment of the water balance of European forests: A model study; <EM>C. van der Salm, et al.</EM> </P>
<P><STRONG>Monitoring and manipulations.</STRONG> Effects of climate and ecosystem disturbances on biogeochemical cycling in a semi-natural terrestrial ecosystem; <EM>C. Beier, et al.</EM> Forest ecosystem responses to atmospheric pollution: Linking comparative with experimental studies; <EM>N.B. Dise, P. Gundersen.</EM> Spectral analysis of chemical time series from long-term catchment monitoring studies: Hydrochemical insights and data requirements; <EM>X.</EM> <EM>Feng, et al.</EM> Neutralisation of sulphur dioxide in a coniferous canopy; <EM>M. Ferm, H. Hultberg.</EM> Recent recovery of lake water quality in southern Quebec following reductions in sulfur emissions; <EM>D. Houle, et</EM> <EM>al.</EM> Fire effects on carbon and nitrogen budgets in forests; <EM>D.W.</EM> <EM>Johnson, et al.</EM> Growth and nitrogen availability of red pine seedlings under high nitrogen load and elevated ozone; <EM>T. Nakaji, et al.</EM> Acidification trends and the evolution of neutralization mechanisms through time at the Bear Brook Watershed in Maine, USA; <EM>R.L.</EM> <EM>Reinhardt, et al.</EM> A biogeochemical comparison of two well-buffered catchments with contrasting histories of acid deposition; <EM>J.B.</EM> <EM>Shanley, et al.</EM> </P>
<P><STRONG>Nitrogen transformations and processes.</STRONG> Validating a new model for N sequestration in forest soil organic matter; <EM>B. Berg, N. Dise.</EM> Nitrate leaching from moorland soils: Can soil C:N ratios indicate N saturation? <EM>C.J. Curtis, et al.</EM> Nutrients on asphalt parking surfaces in an urban environment; <EM>D. Hope, et al.</EM> Nitrogen turnover and nitrate leaching after bark beetle attack in mountainous spruce stands of the Bavarian Forest National Park; <EM>C.</EM> <EM>Huber.</EM> Effects of long-term application of ammonium sulphate on nitrogen fluxes in a beech ecosystem at Solling, Germany; <EM>H.</EM> <EM>Meesenburg, et al.</EM> Nitrous oxide emissions from two riparian ecosystems: Key controlling variables; <EM>S.E. Machefert, et al.</EM> Nitrous oxide in agricultural drainage waters following field fertilisation; <EM>D.S. Reay, et al.</EM> Nitrate leaching from a mountain forest ecosystem with Gleysols subjected to experimentally increased N deposition; <EM>P.</EM> <EM>Schleppi, et al.</EM> </P>
<P><STRONG>Stable and radiogenic isotopes in the</STRONG> <STRONG>environment.</STRONG> Radiogenic lead isotopes and time stratigraphy in the Hudson River, New York; <EM>S.N. Chillrud, et al.</EM> Measuring aerosol and heavy metal deposition on urban woodland and grasss using inventories of <SUP>210</SUP>Pb and metal concentrations in soil; <EM>D. Fowler, et al.</EM> The transit of <SUP>35</SUP>SO<SUB>4</SUB><SUP>2-</SUP> and <SUP>3</SUP>H<SUB>2</SUB>O added in situ to soil in a boreal coniferous forest; <EM>D. Houle, et al.</EM> The missing flux in a <SUP>35</SUP>S budget for the soils of a small polluted catchment; <EM>M. Novák, et al.</EM> &amp;dgr;<SUP>13</SUP>-C of tree-ring lignin as an indirect measure of climate change; <EM>I.</EM> <EM>Robertson, et al.</EM> Isotopic assessment of sources of surface water nitrate within the Oldman River Basin, Southern Alberta, Canada; <EM>L.</EM> <EM>Rock, B. Mayer.</EM> </P>
<P><STRONG>Mercury and metals.</STRONG> Assessment of heavy metals and PAH contamination of urban streambed sediments on macroinvertebrates; <EM>G. Beasley, P.E. Kneale.</EM> Post-glacial lead dynamics in a forest soil; <EM>C.E. Johnson, et al.</EM> Residual cadmium and lead pollution at a former Soviet military airfield in Tartu, Estonia;<EM> </EM>Ü<EM>. Mander, et al.</EM> Mercury and methylmercury in runoff from a forested catchment: Concentrations, fluxes and their response to manipulations; <EM>J. Munthe, H. Hultberg.</EM> Deposition and fate of lead in a forested catchment, Lesni Potok, central Czech Republic; <EM>T.</EM> <EM>Navrátil, et al.</EM> Trace metals in different crop/cultivation systems in Greece; <EM>E. Vavoulidou, et al.</EM> </P>
<P><STRONG>Phosphorus.</STRONG> Assessing changes in phosphorous concentrations in relation to in-stream plant ecology in lowland permeable catchments: Bringing ecosystem functioning into water quality monitoring; <EM>H.P. Jarvie, et al.</EM> Removal of phosphorus in constructed wetlands with horizontal sub-surface flow in the Czech Republic; <EM>J. Vymazal.</EM> </P>
<P><STRONG>Scaling of biogeochemical</STRONG> <STRONG>processes.</STRONG> Scaling and mapping regional calculations of soil chemical weathering rates in Sweden; <EM>C. Akselsson, et al.</EM> Finnish lake survey: The role of catchment attributes in determining nitrogen, phosphorus and organic carbon concentrations; <EM>M. Rantakari, et al.</EM> </P>
<P><STRONG>Soil</STRONG> <STRONG>organic matter and DOC.</STRONG> Carbon storage in Tagus salt marsh sediments; <EM>I. Caçador, et al.</EM> Levels and characteristics of TOC in throughfall, forest floor leachate and soil solution in undisturbed boreal forest ecosystems; <EM>M. Starr, L. Ukonmaanaho.</EM> </P>
<P><STRONG>Biogeochemistry of restored ecosystems.</STRONG> Biomass and nutrient dynamics of restored neotropical forests; <EM>A.E. Lugo, et al.</EM> </P>