1. Title 5
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Stocks and fluxes of carbon associated with land use change in tropical peatlands

    Tropical peatlands helds about 88.6 Gt C or equal to 15-19% of the total global carbon (C) pool. The majority (84%) of these peatlands are situated in Indonesia (21 Mha), followed by Malaysia (2–2.5 Mha) (Page et al. 2011). Due to increased demand for palm oil production, pulpwood plantations and agriculture, tropical peatlands are subject to intensifying pressures, including deforestation and drainage. This practice triggers: a) a reduction in CH4 emissions, b) expose previously undecomposed organic matter to oxidation, which results in peat subsidence and release of old C pools (a net flux of C to the atmosphere) and c) an increase in CO2 and N2O emissions.    

   Within this context, my scientific background provides important information for estimating green house gases emissions (GHGs) emissions after conversion of tropical peatlands to oil palm plantation and mixed crops. I examine how the biotic and abiotic factors regulate soil CO2, CH4 and N2O fluxes and how changes of these regulators following land-use change may affect these fluxes.