Climate Smart Agriculture and forest conservation to foster SOC sequestration and reduce land degradation
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This presentation was presented during the Plenary 1, GSOC17 – Setting the scientific scene for GSOC17 of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Johan Six from Swiss Federal Institute of Technology, in FAO Hq, Rome
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Climate Smart Agriculture and forest conservation to foster SOC sequestration and reduce land degradation
- 1. Climate Smart Agriculture and forest conservation to foster SOC sequestration and reduce land degradation Johan Six Sustainable Agroecosystem Group Institute of Agricultural Science Department of Environmental Systems Science
- 2. Paustian et al 2016, Nature Climate Smart Agriculture From a technological standpoint Focus on existing agricultural Land Bias towards Western World 1 Gt y-1 Smith 2016, GCB What about Integrated Soil Fertility Management (ISFM)?
- 3. Contribution to world production (%) 0 2 4 6 8 10 12 Oman NL BE Average yield per country (t ha-1) 50 100 75 25 KuwaitNZ USA China Western Europe S KoreaEgypt Sub-Saharan Africa, South Asia & Central America Vietnam India 12.5% Turkey Australi a Argentina 3.1 t ha-1 Brazil Ukraine Mexico Source: FAOSTAT 2014 15% 1.9 t ha-1 Low yield countries High yield countries 178 Mha 86 Mha Land available Courtesy of Pablo Tittonell
- 5. Rwanda
- 7. Quesungual: co-developed by farmers and FAO Honduras
- 9. Fonte et al 2010, Geoderma +F -F SF = Secondary Forest QSMAS = Quesungual SB = Slash & Burn F = Fertilizer Reduced loss of SOC by erosion
- 10. - Land tenure & Policy • Most farmers own their own land • Strict regulations for lease General interest in long-term productivity vs. short-term gain • Regional laws prohibiting burning and requiring permit for cutting of large trees (>10 cm dia.) Socio-economics as a main driver!
- 11. • Collaboration with agricultural technical school • Agricultural outreach and extension services • Extensive farmer participation in research Education as a main driver!
- 12. Congo Basin Tropical Forest Conservation through climate smart agriculture
- 13. Courtesy of Janet Nackoney REDD+
- 14. Courtesy of Janet Nackoney
- 16. Macro-zonage: protected forest vs usable forest vs agricultural zone Courtesy of Janet Nackoney
- 17. + years- years Today Soil Fertility = f (C, N, P, CEC, e System productivity = f (soil fertility x CSA options) Fallow of 10 yrs Fallow of 5 yrs with low biodiversity/quality Fallow of 5 yrs with high biodiversity/quality Field mm Modelling and scenario analysis -5-10 3 Fallow characterization Pristine forest Secondary forest
- 18. Agronomicefficiency Current practice Germplasm & fertilizer + Organic resource mgt + Local adaptation Germplasm & fertilizer’ + Organic resource mgt Germplasm & fertilizer ‘Full ISFM’ Move towards ISFM Increase in knowledge Responsive soils Poor, less-responsive soils A B C Yield/ Integrated Soil Fertility Management (ISFM)
- 19. Governance as a main driver!
- 20. Whole value chain approach (Food System)! Enhancing Resilience in Food Systems Website: http://www.resilientfoodsystems.ethz.ch/ Cocoa, tef, and palm oil value chains
- 21. Submission Editors Jorge Mataix-Solera Lily Pereg John Quinton Johan Six Kristof Van Oost http://www.soil-journal.net • Open access • Interdisciplinary Thank you!!!
- 23. Food Systems complex set of activities (production, processing, retailing, consumption etc.), stakeholders, interactions, drivers and outcomes related to food at multiple levels