combining satellite data and models to assess vulnerability to climate change and its impact on food security in morocco
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2014
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Abstract
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.
| Reference Key |
rochdane2014sustainabilitycombining
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|---|---|
| Authors | ;Saloua Rochdane;Lahouari Bounoua;Ping Zhang;Marc L. Imhoff;Mohammed Messouli;Mohammed Yacoubi-Khebiza |
| Journal | journal of physics: conference series |
| Year | 2014 |
| DOI |
10.3390/su6041729
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