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5. Presentación corta: GHG mitigation potential through sustainable land use change
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Transcript of 5. Presentación corta: GHG mitigation potential through sustainable land use change
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David LandholmPrajal PradhanDesiree Door
Wei WengJurgen Kropp
(PIK)
01-03 MarchCali, Colombia
GHG mitigation potential through sustainableland use change
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Colombia and Peru contribute 0,46 and 0,3% to global GHG emissions
GHG Reduction commitment: 20% of BAU by 2030 (30%?)
> 50% Colombia and Peru GHG emissions are from AFOLU sectors
Introduction: context
Source: iNDCs (2015)
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Objectives1. Characterize carbon emissions performance of identified systems (extensive,
silvopastoral, agroforestry)
2. Quantify emissions reduction of proposed sustainable changes within these
systems
3. Up-scale mitigation potential of sustainable LU changes• SAL project (1)• Secondary data (2)
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CO2 sinks and sources
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Systems characterization
Carbon pools
Land use change
Farming practices Firewood extraction, tree extraction for timber, use of fire, fertilizers (production, soils), livestock (enteric fermentation, feed, manure), transport
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Crops
Pasture
Livestock
Fertilization, productivity, use of manure, etc.
Population numbers; feed supplementation; manure management
Secondary data, Emission
factors
Survey data Farming practices
Productivity, seeds, use of fire, cover crops, fertilizer, pesticides, herbicides, harvest, transportation, etc.
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Results expression: functional unit (FU)
• Pros: useful for comparison across different
farming systems (that produce the same output)
• Cons: referring GHG emissions to certain products
must account for multi-functionality of livestock
• Pros: easier for comparison of systems that produce
different outputs
• Cons: doesn’t account for efficiency of production
(i.e. how it affects land use change elsewhere)
Products Farm (ha)
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Land use change: survey
Agriculture practices: crops Inputs: fertilizers, herbicides, etc Soil management (e.g. till/no till) Transport Other: e.g. use of fire
Agriculture practices: livestock Population charact. Feed charact. Pasture
? Carbon pools Soil; woody biomass
? Integrate forest land use? Up-scaling
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GHG accounting of local farming systems
What bigger picture can we learn from this project? How can we link it to
Colombia’s national goals -INDCs/NDCs? (Other mechanisms, e.g. REDD+)
Interested in integrating other land uses in GHG assessment, e.g. forest
Role of Silvopastoral and Agroforestry Systems in forest/landscape
connectivity
Summary of research interests within SAL
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Collaborations with project members
• Soil and woody biomass carbon stocks -> Paul Peters (CIAT), Jaime Barrera
(SINCHI), others?
• Secondary data and possibilities for upscaling: Ricardo González, Jacobo
Arango (CIAT), Miguel Romero (CIAT), others projects? (e.g. LIVESTOCK+?)
• Terra-i team? (e.g. GHG of deforestation, forest fragmentation)
• Others?