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1. WLI objective

WLI Regional Knowledge Exchange Workshop on Decision-support Tools and Models 23-27 September, 2013, jerba , Tunisia. Strategic Approaches to Integrated Management of Land, Water and Livelihoods along an Aridity Gradient: Case of Central Tunisia (S2). 1. WLI objective.

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1. WLI objective

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  1. WLI Regional Knowledge Exchange Workshop on Decision-support Tools and Models 23-27 September, 2013, jerba, Tunisia Strategic Approaches to Integrated Management of Land, Water and Livelihoods along an Aridity Gradient: Case of Central Tunisia (S2)

  2. 1. WLI objective Please insert a picture that represents your work Goal : Improve the livelihoods of communities in areas where droughts and climate change risks are prevalent. Relation to national policies and communityneeds : 1. Increasing the income per capita and reducing poverty 2. Insuring a rational use of natural resources 3. reducing the effects of droughts and adaptation to CC

  3. lowersemi arid 221 mm (1974-2001) 2 – 400C ETP : Ab. 1500 mm (hot and dry wind) Water source : 1well 2. Study site 317 households – 2241 hab. (2002) Livestock : 14 sheeps / household S Agriculture : 2914 ha : cereals (56%), Arboriculture (17%), irrigated area (4%), cactus and pasture (23%) Net income : 4245 TD /year (2000), only 71% from agriculture • S2 (Centre): Sidi Bouzid - Zoghmar • Livestock / Rainfed Agriculture Source : INRAT, 2005. Elaboration du plan de développement participatif de la Communauté de Zoghmar

  4. High variation of the value of barley production High increase of feeding costs for livestock

  5. . Assessing future scenarios for GCC and impacts on agriculture • . Water management in crop production system • water productivity assessment • . Economic analysis • Impacts of improved techniques on farmers’ income • Cost/benefit analysis of Improved Management techniques 3. Themes

  6. 4. Priliminary results about CC impacts - SidiBouzid • - Use of CGCM model (Canada) for climate projections • - Use of CROPSYST model for yield projections • -Agr. land to become marginally suitable or unsuitable to barley cropping • -Extreme events and improved techniques (fetilization) not considered • Source : A. Souissi, Prédictions du CC dans le Gouvernarat de SidiBouzid. PFE, ESA Kef, 2013

  7. 5. Technologies(to be) applied in order to improve resilience to drought and CC

  8. Analysis of farm income of different production systems • Impacts of improved techniques on farmers’ income • - Questionnaire prepared and tested • - Data collection (planned next october) • 2. Economicloss of net benefit due to climate change • - Use of the production function approach • -Data collection : Results of barley production (Q) models (theme 1), barley prices (P), quantity of inputs (K), cost of inputs (w). • - Assessing the economic loss due to CC • 3. Economic profitability of Improved Management techniques • Cost benefits analysis • Data collection : Results of bio-physical models to measure costs and benefits during the lifetime (related to theme 2) • Measuring the main indicators (B/C ratio, IRR) 6. Economic analysis : Progress

  9. Thank you Outscaling and dissemination of outputs to other areas in Tunisia and WLI partner countries

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