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Climate Change Impacts on Wheat Yields in the North-West of Tunisia


  • Faicel Gasmi
  • Mounir Belloumi

    () (University of Sousse, Tunisia)

  • Mohamed Salah Matoussi



In this study we are examining the climate change impacts on cereal yields in the North-West of Tunisia by focusing on the effect of increase in temperature on durum wheat yields. The index of growing degree days (GDDs) or the corresponding growing season length (GSL) is commonly used in agronomic studies to determine the effect of temperature on yields. The main goal of the current study is to analyse the effect of historical increase of temperature on GSL of durum wheat in North-West of Tunisia (Beja and El-Kef) and assess the future impact of climate change on wheat yields. We find that high temperatures correspond to a decrease in growing season length. Future increases in temperatures between 1.5 and 3.5°C may reduce the yield of wheat in the Beja district between 16% and 19%.

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  • Faicel Gasmi & Mounir Belloumi & Mohamed Salah Matoussi, 2011. "Climate Change Impacts on Wheat Yields in the North-West of Tunisia," Working Papers 652, Economic Research Forum, revised 12 Jan 2011.
  • Handle: RePEc:erg:wpaper:652

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    1. Gonzalez de Molina, Manuel, 2002. "Environmental constraints on agricultural growth in 19th century granada (Southern Spain)," Ecological Economics, Elsevier, vol. 41(2), pages 257-270, May.
    2. Hussain, Syed Sajidin & Mudasser, Muhammad, 2007. "Prospects for wheat production under changing climate in mountain areas of Pakistan - An econometric analysis," Agricultural Systems, Elsevier, vol. 94(2), pages 494-501, May.
    3. World Bank, 2007. "World Development Indicators 2007," World Bank Publications, The World Bank, number 8150, June.
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