Response of forest ecosystem biogeochemistry under future scenarios of acid deposition, eutrofication, forestry and climate change
Coordinating recipient: Ústav výzkumu globální změny AV ČR, v. v. i.
Another participant in the project: Česká zemědělská univerzita v Praze
Keywords: forest ecosytem, acidification, surface waters, soil, sulphur, nitrogen, dissolved organic carbon, dynamic modelling, biogeochemistry, climate change
Detail of project in RVVI: RVVI
Annotation of project:
During the 1900’s acid deposition caused severe forest dieback in the mountains of Central Europe. Soils have been depleted of nutrient cations. International agreements have resulted in substantial decline in sulfur (S) deposition since the mid-1980’s, and intensive forestry has been resumed. But nitrogen (N) deposition continues. Forestry practices, acid deposition and expected climate change threaten the health and vitality of the forested landscape in the future. This project will make use of long-term data records (since 1992) from three intensivelystudied forest catchments. New data on pools and fluxes of key elements in soils, biomass, forest floor biodiversity and water will be collected over a 2-year period at these sites. Together the data will be used as input to the hydrological model BROOK90 to simulate stream discharge and to the biogeochemical model MAGIC to simulate soil and streamwater chemistry. The models will be run forward to the year 2100 under combined scenarios of acid deposition, forest management practice and climate change.