Abstract
Nitrous oxide (N2O) is a long-lived greenhouse gas with a warming potential of 300 times higher than CO2. Conserving of intact peat swamp forest can hold the natural physical and chemical properties of the soil, such that the N2O emission occurs naturally. To quantify N2O emission from peatland ecosystems, data availability is highly needed. The objectives of this study were to quantify the emission of N2O and determine the main factors controlling N2O emission from peatland conservation forests. This research was conducted from January to December 2020 in the Kampar Peninsula, Pelalawan Regency, Riau Province. This study found that N2O emission at peatland conservation forest was 0.23 ± 0.19 kg-N/ha/year. Substantial changes in soil and environmental factors such as water table, soil temperature, soil moisture, water-filled pore space, NH4-N, and NO3-N significantly affect the exchange of N2O between peatlands and the atmosphere.
Highlights
In terms of climate change study, the peat ecosystem has a significant role in various biogeochemical cycles of greenhouse gases
This study aims to determine the N2O gas emission factor from peatland conservation forests and determine the main drivers that influence the N2O gas emissions
Improving sampling frequency through spatial and temporal can help to overcome the uncertainty of N2O emission quantification in the future
Summary
In terms of climate change study, the peat ecosystem has a significant role in various biogeochemical cycles of greenhouse gases. Both temperate and tropical peatlands play a major role in gas exchange with the atmosphere, as they are the mainstream greenhouse gases (Nunes et al, 2020). The most dominant greenhouse gas emissions in peatlands are carbon dioxide (CO2), followed by methane (CH4) and nitrous oxides (N2O) emissions. N2O is a long-lived greenhouse gas with a greenhouse gas potential of 300 times higher than CO2 (IPCC, 2014; Sakabe et al, 2018). Tropical forests are still considered a major source of N2O emissions to the atmosphere (Werner et al, 2007). The increase in N2O in the atmosphere due to human activities affects the global climate, human health, and the function of ecosystems that are very sensitive to climate change (Fowler et al, 2013)
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Schedule a callMore From: Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
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