Quantification of carbon stocks in forest soils | Kvantifikácia zásob uhlíka v lesných pôdach
2008
Pavlenda, P., Národné lesnícke centrum, Zvolen (Slovak Republic)
Information about soil organic matter and soil carbon in forest soils in Slovakia is based on several different soil surveys. The set of 112 large-scale monitoring plots of the 16x16 km grid and 8 intensive monitoring plots (ICP Forests / BioSoil) is the coarse set of plots and most detailed information source with respect to soil properties and parameters, soil depth (L, F, H layers, 0-10 cm, 10-20 cm, 20-40 cm, 40-80 cm) and sampling design. Organic carbon content was determined in forest floor and soil samples also from almost 1500 plots of the National Forest Inventory. The main advantage of this survey beside high representativeness is existing set of numerous parameters related to site condition, forest stand condition as well as environmental parameters. The disadvantage is a simple way of sampling and limited depth of sampling (20 cm). Supplementary information about carbon content and carbon pools in forest soils comes from data sets from soil survey and forest site condition survey carried out from 1950s to 1970 s and partly repeated within a research project in 2005-2007. Results of carbon content in forest soils from research plots can be used e.g. for derivation of indices of carbon stocks for different depths and respective soil types. Based on the above mentioned data, total carbon pool in mineral forest (0 - 100 cm) soils has been calculated the 307.7 Mt and 16.6 Mt in litter. However, the methods for detection of changes in soil organic carbon stocks in forest soils and for calculation and modelling of carbon content are still to be discussed and improved.
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