Biogeochemical Investigations of Terrestrial, Freshwater, by Gene E. Likens (auth.), R. Kelman Wieder, Martin Novák,

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By Gene E. Likens (auth.), R. Kelman Wieder, Martin Novák, Melanie A. Vile (eds.)

Fifteen years have handed considering the fact that a small workforce of researchers on the Czech Geo­ logical Survey boldly convened a convention referred to as GEOMON, Geochemical tracking in consultant Basins, held in Prague in 1987. the focal point of the unique GEOMON convention was once really slim - tracking of aspect swimming pools and fluxes on a small catchment scale. Signaling a wish to increase the point of interest to a extra biogeochemical orientation, the 1993 assembly, additionally in Prague, was once renamed BIOGEOMON. Tofoster wider overseas participation and cooperation, in 1997 BIOGEOMON was once held at Villanova collage in Pennsylvania. the latest new release of BIOGEOMON used to be held on the college of analyzing within the United BIOGEOMON conferences to this point. At country and used to be the most important of the sequence of analyzing, BIOGEOMON hosted forty three invited audio system, ninety six contributed talks and over one hundred fifty poster shows. Over 260 delegates got here to examining inAugust 2002 from 25 nations all over the world. At interpreting, issues that usually were robust at BIOGEOMON have been con­ tinued: catchment tracking and manipulations, catchment and regional-scale modeling, nitrogen alterations and approaches, and solid and radiogenic iso­ topes within the setting. past those normally emphasised issues, different classes concerned about mercury and steel dynamics, phosphorus, scaling of biogeo­ chemical strategies, terrestrial document and soil natural topic, rhizosphere biogeo­ chemistry, biogeochemistry of restored ecosystems, and information of worldwide swap at the continents. each one of these issues are represented during this precise factor, a set of peer-reviewed articles.

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

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Data Acquisition Much of the input data needed in this study were derived using the same methods as in earlier assessment of Swedish critical loads (Warfvinge and Sverdrup, 1995; Bertills and Lovblad, 2002), which in turn rely heavily on the National Forest Inventory (NFl) . , cation exchange capacity and base saturation) as well as time series of deposition, nutrient cycling , and nutrient uptake . se). where samples have been taken from up to 5 different soil horizons . Sites with measurements of exchangeable cations in less than three horizons were excluded from this study.

Sulphate concentrations in headwater lakes and their inflows have decreased, but much less than expected based on the anticipated direct response of the catchments. Reduction-ox idation (redox) processes occurring in wetlands have been identified as the reason for delayed recovery, and climate events as controlling these redox processes. A new version of the biogeochemical model MAGIC (model of acidification of groundwater in catchments) with a wetland compartment that incorporates redox processes driven by climate events has been generated.

A. and Dillon, P. : Focus 1, 507 -524. Watmough, S. A. and Dillon, P. J. : 2003, 'Major fluxes from a coniferou s catchment in central Ontario, 1983-1999', Biogeoch emistry (in pre ss). PROJECTING REGIONAL PATTERNS OF FUTURE SOIL CHEMISTRY STATUS IN SWEDISH FORESTS USING SAFE MATTIAS ALVETEG Department of Chemical Engineering, P. O. se, phon e: +4646222 3627, fax: +4646149156) (Received 20 August 2002 ; accepted 23 May 2003) Abstract. As part of the Abatement Strategie s for Transboundary Air Pollution (ASTA) research program, the dynamic soil chemistry model SAFE was used to makc hindcasts and future projection s of soil solution chemistry for 645 Swedish forest soils between 1800 and 2100.

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