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Sustainability 2014, 6(4), 1729-1746; doi:10.3390/su6041729

Combining Satellite Data and Models to Assess Vulnerability to Climate Change and Its Impact on Food Security in Morocco

Department of Environmental Sciences, Faculty of Sciences Semlalia, Cadi Ayyad University, B.P. 2390, Boulevard Prince My Abdellah, Marrakesh 40000, Morocco
Biospheric Sciences Laboratory, Code 618, NASA Goddard Space Flight Center, Code 618, Greenbelt, MD 20771, USA
Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20742, USA
Joint Global Change Research Institute 5825 University Research Court, Suite 1200, College Park, MD 20742, USA
Author to whom correspondence should be addressed.
Received: 31 January 2014 / Revised: 18 March 2014 / Accepted: 19 March 2014 / Published: 3 April 2014
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This work analyzes satellite and socioeconomic data to explore the relationship between food and wood demand and supply, expressed in terms of net primary production (NPP), in Morocco. A vulnerability index is defined as the ratio of demand to supply as influenced by population, affluence, technology and climate indicators. The present situation (1995–2007), as well as projections of demand and supply, following the Intergovernmental Panel on Climate Change, Scenarios A2 and B2, are analyzed for a 2025 horizon. We find that the food NPP demand increased by 34.5%, whereas the wood consumption NPP demand decreased by 19.3% between 1995 and 2007. The annual NPP required to support the population’s food and wood appropriation was 29.73 million tons of carbon (MTC) in 2007, while the landscape NPP production for the same year was 60.24 MTC; indicating that the population appropriates about 50% of the total NPP resources. Both scenarios show increases in demand and decreases in supply. Under A2, it would take more than 1.25 years for terrestrial ecosystems in Morocco to produce the NPP appropriated by populations in one year. This number is 0.70 years under B2. This already high vulnerability for food and wood products is likely to be exacerbated with climate changes and population increase. View Full-Text
Keywords: satellite; model; vulnerability index; climate change; food security; Morocco satellite; model; vulnerability index; climate change; food security; Morocco

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Rochdane, S.; Bounoua, L.; Zhang, P.; Imhoff, M.L.; Messouli, M.; Yacoubi-Khebiza, M. Combining Satellite Data and Models to Assess Vulnerability to Climate Change and Its Impact on Food Security in Morocco. Sustainability 2014, 6, 1729-1746.

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