National Repository of Grey Literature 246 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Effect of species composition change of forests on the quality of litter and derived soil organic matter
Roblíková, Věra ; Jandová, Kateřina (advisor) ; Bartuška, Martin (referee)
Climate change will alter the species composition of forests, which will cause changes in litter amounts and quality and potentially affect the carbon content and its stability in forest soils. With the knowledge of inputs to the biogeochemical carbon cycle, we can design methods of forest management and effectively mitigate climate change with forest cover. The aim of this thesis is to summarize information about i) change in species composition of temperate forests in Europe and the Czech Republic, ii) differences in litter amount and quality, iii) effect of litter quality on the stability of carbon in soils. I propose a master's thesis with an observational and experimental investigation of forest species change's effect on carbon content in soils. Climate change will shift species ranges northward and to higher altitudes. While species do not differ in the production of above-ground litter, they differ in the quality of above-ground litter and the quantity and quality of below-ground litter. The rate of decomposition is affected by the litter quality of tree species. Through their effect on the fauna, tree species affect the amount of carbon stored in the mineral horizon. However, the effect of litter quality on carbon stability in mineral horizons is unknown, in terms of both the density fractions of...

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