CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR-ICRAF publie chaque année plus de 750 publications sur l’agroforesterie, les forêts et le changement climatique, la restauration des paysages, les droits, la politique forestière et bien d’autres sujets encore, et ce dans plusieurs langues. .

CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

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

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.

Fichiers de l'ensemble de données

Auteurs

Swails, E.

Date de publication

31 Déc. 2023

DOI

10.17528/CIFOR/DATA.00291

Autres ensembles de données qui pourraient vous intéresser