Replication Data for: Degradation increases peat greenhouse gas emissions in undrained tropical peat swamp forests

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Swails, E., 2023, "Replication Data for: Degradation increases peat greenhouse gas emissions in undrained tropical peat swamp forests", https://doi.org/10.17528/CIFOR/DATA.00291, Center for International Forestry Research (CIFOR), V2, UNF:6:DQdQmFtL31EpV3C12Arsog== [fileUNF]

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Description	Tropical peat swamp degradation can modify net peat greenhouse gas (GHG) emissions even without drainage. However, current Intergovernmental Panel on Climate Change (IPCC) guidelines do not provide default emission factors (EF) for anthropogenically-degraded undrained organic soils. We reviewed published field measurements of peat GHG fluxes in undrained undegraded and degraded peat swamp forests in Southeast Asia (SEA) and Latin America and the Caribbean (LAC). Degradation without drainage shifted the peat from a net CO2 sink to a source in both SEA (-2.9±1.8 to 4.1±2.0 Mg CO2-C ha-1 yr-1) and LAC (-4.3±1.8 to 1.4±2.2 Mg CO2-C ha-1 yr-1). It raised peat CH4 emissions (kg C ha-1 yr-1) in SEA (22.1±13.6 to 32.7±7.8) but decreased them in LAC (218.3±54.2 to 165.0±4.5). Degradation increased peat N2O emissions (kg N ha-1 yr-1) in SEA forests (0.9±0.5 to 4.8±2.3) (limited N2O data). It shifted peat from a net GHG sink to a source in SEA (-7.9±6.9 to 20.7±7.4 Mg CO2-equivalent ha-1 yr-1) and increased peat GHG emissions in LAC (9.8±9.0 to 24.3±8.2 Mg CO2-equivalent ha-1 yr-1). The large observed increase in net peat GHG emissions in undrained degraded forests compared to undegraded conditions calls for their inclusion as a new class in the IPCC guidelines. As current default IPCC EF for tropical organic soils are based only on data collected in SEA ombrotrophic peatlands, expanded geographic representation and refinement of peat GHG EF by nutrient status are also needed.
Keyword	land use change, peatlands, decomposition, hydrology, water table
Subject	Climate Change, Energy and low carbon development (CCE)

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	Swails_et_al_Undrained_Tropical_Peat_Swamp_Forest_Soil_EF_Database.tab Tabular Data - 9.0 KB - Jan 4, 2024 - 76 Downloads 2 Variables, 157 Observations - UNF:6:DQdQmFtL31EpV3C12Arsog== DocumentationData	TwoRavens Stats Data Explorer Original File Format (MS Excel Spreadsheet) Tab-Delimited RData Format Variable Metadata Data File Citation RIS EndNote XML BibTeX

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Dataset Persistent ID	doi:10.17528/CIFOR/DATA.00291
Publication Date	2023-12-31
Title	Replication Data for: Degradation increases peat greenhouse gas emissions in undrained tropical peat swamp forests
Author	Swails, E. (Center for International Forestry Research (CIFOR))
Contact	Use email button above to contact. CIFOR-RDM (Center for International Forestry Research (CIFOR))
Description	Tropical peat swamp degradation can modify net peat greenhouse gas (GHG) emissions even without drainage. However, current Intergovernmental Panel on Climate Change (IPCC) guidelines do not provide default emission factors (EF) for anthropogenically-degraded undrained organic soils. We reviewed published field measurements of peat GHG fluxes in undrained undegraded and degraded peat swamp forests in Southeast Asia (SEA) and Latin America and the Caribbean (LAC). Degradation without drainage shifted the peat from a net CO2 sink to a source in both SEA (-2.9±1.8 to 4.1±2.0 Mg CO2-C ha-1 yr-1) and LAC (-4.3±1.8 to 1.4±2.2 Mg CO2-C ha-1 yr-1). It raised peat CH4 emissions (kg C ha-1 yr-1) in SEA (22.1±13.6 to 32.7±7.8) but decreased them in LAC (218.3±54.2 to 165.0±4.5). Degradation increased peat N2O emissions (kg N ha-1 yr-1) in SEA forests (0.9±0.5 to 4.8±2.3) (limited N2O data). It shifted peat from a net GHG sink to a source in SEA (-7.9±6.9 to 20.7±7.4 Mg CO2-equivalent ha-1 yr-1) and increased peat GHG emissions in LAC (9.8±9.0 to 24.3±8.2 Mg CO2-equivalent ha-1 yr-1). The large observed increase in net peat GHG emissions in undrained degraded forests compared to undegraded conditions calls for their inclusion as a new class in the IPCC guidelines. As current default IPCC EF for tropical organic soils are based only on data collected in SEA ombrotrophic peatlands, expanded geographic representation and refinement of peat GHG EF by nutrient status are also needed.
Subject	Climate Change, Energy and low carbon development (CCE)
Keyword	land use change (GACS) http://browser.agrisemantics.org/en/search?clang=en&vocabs=gacs&q= peatlands (GACS) http://id.agrisemantics.org/gacs/C10734 decomposition (GACS) http://id.agrisemantics.org/gacs/C3452 hydrology (GACS) http://id.agrisemantics.org/gacs/C2459 water table (GACS) http://id.agrisemantics.org/gacs/C4638
Related Publication	doi:
Language	English
Grant Information	-
Distributor	Center for International Forestry Research (CIFOR) http://www.cifor.org
Depositor	Erlita, Sufiet
Deposit Date	2023-12-30
Kind of Data	other
Software	-

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