Assessing overexploitation in Mediterranean aquifers using system stability condition analysis

被引：21

作者：

Ibanez, Javier ^{[1
]}

Martinez Valderrama, Jaime ^{[1
]}

Puigdefabregas, Juan ^{[1
]}

机构：

[1] Univ Politecn Madrid, Dpto Estadist & Metodos Gest Agr, E-28040 Madrid, Spain

来源：

ECOLOGICAL MODELLING | 2008年 / 218卷 / 3-4期

关键词：

Desertification risk; Alternative long-term states; Groundwater; Oases; Irrigation;

D O I：

10.1016/j.ecolmodel.2008.07.004

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

This paper analyses competitive groundwater exploitation for irrigation by means of a special case of a dynamic predator-prey or human-resource theoretical model. On the human side, the model considers both farmers' rational behaviour and a set of economic parameters. Then the model explicitly links these issues to the dynamics of the natural resource. Equilibrium states are evaluated, and the drivers and conditions for final states leading to groundwater overexploitation are assessed. The theoretical model finally serves to discuss the long-term sustainability of the processes of transformation from traditional to highly intensive pumping-based agricultural systems. These are processes now taking place in aquifers of southern Spain and Maghreb oases. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：260 / 266

页数：7

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