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

2004
ISBN: 978-1-4020-1814-5
Verlag: Springer Netherlands

Buch, Englisch, 748 Seiten, Format (B × H): 160 mm x 241 mm, Gewicht: 1289 g

Here is a collection of papers from BIOGEOMON, The Fourth International Symposium on Ecosystem Behavior. The contributions address a wider-than-ever range of concerns: aspects of catchment monitoring and modeling; nitrogen transformations and processes; stable and radiogenic isotopes; biogeochemistry of restored ecosystems; and the dynamics of such chemicals as mercury and phosphorous, among many other topics.

Zielgruppe

Research

Autoren/Hrsg.

Wieder, R. Kelman

Novák, Martin

Vile, Melanie A.

Fachgebiete

• Geowissenschaften Umweltwissenschaften Angewandte Ökologie
• Rechtswissenschaften Öffentliches Recht Umweltrecht Abfall- und Bodenschutzrecht
• Geowissenschaften Umweltwissenschaften Abfallbeseitigung, Abfallentsorgung
• Naturwissenschaften Biowissenschaften Biowissenschaften Ökologie
• Technische Wissenschaften Umwelttechnik | Umwelttechnologie Luftreinhaltung
• Geowissenschaften Geologie Bodenkunde, Sedimentologie
• Geowissenschaften Geologie Geochemie
• Technische Wissenschaften Umwelttechnik | Umwelttechnologie Abfallwirtschaft, Abfallentsorgung
• Geowissenschaften Umweltwissenschaften Wasserversorgung
• Geowissenschaften Umweltwissenschaften Umweltverschmutzung, Umweltkriminalität, Umweltrecht

Inhaltsverzeichnis

Preface. Acknowledgements.

Keynoteaddress. Biogeochemistry: Some opportunities and challenges for the future;

Catchment and regional-scale modelling. Critical loads of acidity for surface waters in south-central Ontario, Canada: Regional application of the First-order Acidity Balance (FAB) model; Effects of climate events on elemental fluxes from forested catchments in Ontario, Canada: Modelling drought-induced redox processes; Projecting regional patterns of future soil chemistry status in Swedish forests using SAFE; Sorption of Cd in soils: Pedotransfer functions for the parameters of the Freundlich sorption isotherm; The development of a GIS-based inventory of standing waters in Great Britain together with a risk-based prioritisation protocol; Simulation of nitrogen dynamics and fluxes in contrasting catchments in Norway by applying the Integrated Nitrogen model for CAtchments (INCA); 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; Integrated nitrogen modeling in a boreal forestry dominated river basin: N fluxes and retention in lakes and peatlands; Uncertainties in predictions of surface water acidity using the MAGIC model; Modelling acidification and recovery of Swedish lakes; Integrated nitrogen and flow modelling (INCA) in a boreal river basin dominated by forestry: Scenarios of environmental change; Assessment of the water balance of European forests: A model study;

Monitoring and manipulations. Effects of climate and ecosystem disturbances on biogeochemical cycling in a semi-natural terrestrial ecosystem; Forest ecosystem responses to atmospheric pollution: Linking comparative with experimental studies; Spectral analysis of chemical time series from long-term catchment monitoring studies: Hydrochemical insights and data requirements; Neutralisation of sulphur dioxide in a coniferous canopy; Recent recovery of lake water quality in southern Quebec following reductions in sulfur emissions; Fire effects on carbon and nitrogen budgets in forests; Growth and nitrogen availability of red pine seedlings under high nitrogen load and elevated ozone; Acidification trends and the evolution of neutralization mechanisms through time at the Bear Brook Watershed in Maine, USA; A biogeochemical comparison of two well-buffered catchments with contrasting histories of acid deposition;

Nitrogen transformations and processes. Validating a new model for N sequestration in forest soil organic matter; Nitrate leaching from moorland soils: Can soil C:N ratios indicate N saturation? Nutrients on asphalt parking surfaces in an urban environment; Nitrogen turnover and nitrate leaching after bark beetle attack in mountainous spruce stands of the Bavarian Forest National Park; Effects of long-term application of ammonium sulphate on nitrogen fluxes in a beech ecosystem at Solling, Germany; Nitrous oxide emissions from two riparian ecosystems: Key controlling variables; Nitrous oxide in agricultural drainage waters following field fertilisation; Nitrate leaching from a mountain forest ecosystem with Gleysols subjected to experimentally increased N deposition;

Stable and radiogenic isotopes in theenvironment. Radiogenic lead isotopes and time stratigraphy in the Hudson River, New York; Measuring aerosol and heavy metal deposition on urban woodland and grasss using inventories of Pb and metal concentrations in soil; The transit of SO and HO added in situ to soil in a boreal coniferous forest; The missing flux in a S budget for the soils of a small polluted catchment; &dgr;-C of tree-ring lignin as an indirect measure of climate change; Isotopic assessment of sources of surface water nitrate within the Oldman River Basin, Southern Alberta, Canada;

Mercury and metals. Assessment of heavy metals and PAH contamination of urban streambed sediments on macroinvertebrates; Post-glacial lead dynamics in a forest soil; Residual cadmium and lead pollution at a former Soviet military airfield in Tartu, Estonia;Ü Mercury and methylmercury in runoff from a forested catchment: Concentrations, fluxes and their response to manipulations; Deposition and fate of lead in a forested catchment, Lesni Potok, central Czech Republic; Trace metals in different crop/cultivation systems in Greece;

Phosphorus. Assessing changes in phosphorous concentrations in relation to in-stream plant ecology in lowland permeable catchments: Bringing ecosystem functioning into water quality monitoring; Removal of phosphorus in constructed wetlands with horizontal sub-surface flow in the Czech Republic;

Scaling of biogeochemicalprocesses. Scaling and mapping regional calculations of soil chemical weathering rates in Sweden; Finnish lake survey: The role of catchment attributes in determining nitrogen, phosphorus and organic carbon concentrations;

Soilorganic matter and DOC. Carbon storage in Tagus salt marsh sediments; Levels and characteristics of TOC in throughfall, forest floor leachate and soil solution in undisturbed boreal forest ecosystems;

Biogeochemistry of restored ecosystems. Biomass and nutrient dynamics of restored neotropical forests;