alexa Vulnerability of Natural Resources in Tunisian Arid Zon
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
Open Access

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Research Article

Vulnerability of Natural Resources in Tunisian Arid Zones facing Climate Change and Human Pressure: Toward Better Target Actions to Combat Desertification

Fetoui M1*, Sghaier M1, Loireau M2 and Chouikhi F1
1Institute of Arid Regions, Medenine, Tunisia 4119
2Institute of Research for Development, UMR 228 SPACE-DEV, House of Remote Sensing IRD Pole, 500, JF Breton 34093, Montpellier, Cedex 05, France
Corresponding Author : Fetoui M
Institute of Arid Regions
Medenine, Tunisia 4119
Tel: (+216) 98 280 844
E-mail: [email protected]
Received January 24, 2015; Accepted February 25, 2015; Published March 03, 2015
Citation: Fetoui M, Sghaier M, Loireau M and Chouikhi F (2015) Vulnerability of Natural Resources in Tunisian Arid Zones facing Climate Change and Human Pressure: Toward Better Target Actions to Combat Desertification. J Earth Sci Clim Change 6:260. doi: 10.4172/2157-7617.1000260
Copyright: © 2015 Fetoui M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

The main challenges of Tunisian arid areas is better understand desertification and better adapt decisions to uncertainties that arise in complex interactions between the socio-economic and biophysical dynamics at different spatial and temporal scales. This understanding is increasingly necessary to better target actions and improve coping strategies. The objective of this work is to assess the vulnerability of natural resources and the risk of desertification at the local scale, in a case study (Oum Zessar watershed) located in the south-east of Tunisia. The assessment is carried out through an analysis of different human and biophysical causes and driving forces, such as natural resources uses and climate change. It is based on geographical (landscape), integrated (socio-economy, biophysics) and multi-actors (research-decision) approaches, associated with reproducible methods and models to assess the risk of desertification, and to better target future combating actions. The work led to the development of desertification risk indexes (based on spatial integration of biophysical and socio-economic functioning through modeling), facing several scenarios of climate change and human pressure. It shows that the same level of risk in one place or another may have differentiated causes, which could help public policy in their fighting against desertification.

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