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Soil carbon stocks in tropical pasture systems in Colombia’s Orinoquía region: supporting readiness for climate finance

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Title Soil carbon stocks in tropical pasture systems in Colombia’s Orinoquía region: supporting readiness for climate finance
 
Creator Villegas, Daniel
Bastidas, Mike
Matiz Rubio, Natalia
Ruden, Alejandro
Rao, Idupulapati M.
Hyman, Glenn G.
Arango, Jacobo
Baedeker, Tobias
Cando, Lee
Ramirez Diaz, Mariangela
Teillard, Felix
Costa jr., Ciniro
 
Subject soil
climate
carbon
suelo
clima
carbono
climate change
agriculture
food security
 
Description Key messages:
■ Using field measurements, it was found that pastures in clay soils in the Orinoquía region can store as more than 200 tCha-1 (0-100 cm). Results are 40% higher than the IPCC default values (0-30cm).
■ Close to 30% of the total SOC stock were found in the top 0-20 cm soil layer, highlighting the importance of evaluating deeper soil layers in SOC assessments.
■ Improving pasture systems have the potential to accumulate SOC, especially in the topsoil layer. This may be a consequence of higher forage production in improved pastures and cattle waste depositions.
■ Clay soils in Orinoquía shows a large potential for SOC sequestration through pasture improvement (~2.0 tCha-1y-1; 0-20 cm). This rate should be reduced overtime once SOC stocks approach a new steady-state. Therefore, future monitoring is critical to validating findings and better understanding SOC changes in the region.
■ This info note reports high sequestration potential for grassland in Colombia's Orinoquía region, which can be attractive for climate finance. Information is also provided to improve SOC estimation and implement SOC monitoring systems.
 
Date 2021-11-23
2021-11-23T23:25:12Z
2021-11-23T23:25:12Z
 
Type Brief
 
Identifier Villegas DM, Bastidas M, Matiz-Rubio N, Ruden A, Rao IM, Hyman G, Arango J, Baedeker T, Cando L, Ramirez Diaz M, Teillard F, Costa Jr C. 2021. Soil carbon stocks in tropical pasture systems in Colombia’s Orinoquía region: supporting readiness for climate finance. CCAFS Info Note. Wageningen, The Netherlands: CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS).
https://hdl.handle.net/10568/116231
PII-LAM_LivestockPlus
 
Language en
 
Rights CC-BY-NC-4.0
Open Access
 
Format 6 p.
application/pdf
 
Publisher CGIAR Research Program on Climate Change, Agriculture and Food Security