A MULTIDISCIPLINARY MODEL FOR ASSESSING DEGRADATION IN MEDITERRANEAN RANGELANDS

被引：15
|
作者：
Ibanez, J. [1 ]
Valderrama, J. M. [2 ]
Papanastasis, V. [3 ]
Evangelou, C. [3 ]
Puigdefabregas, J. [2 ]
机构：
[1] Univ Politecn Madrid, Madrid, Spain
[2] Agencia Estatal Consejo Super Invest Cient EEZA C, Estn Expt Zonas Aridas, Almeria, Spain
[3] Aristotle Univ Thessaloniki, Lab Rangeland Ecol, Fac Forestry & Nat Environm, GR-54006 Thessaloniki, Greece
来源：
LAND DEGRADATION & DEVELOPMENT | 2014年 / 25卷 / 05期
关键词：
rangeland modelling; economic-ecological model; shrub invasion; soil erosion; desertification drivers; sensitivity analysis; Greece; SEMIARID GRAZING SYSTEMS; SOIL-EROSION; SIMULATION-MODEL; SOUTH-AFRICA; ECOSYSTEMS; MANAGEMENT; STABILITY; DESERTIFICATION; NONEQUILIBRIUM; DYNAMICS;
D O I：
10.1002/ldr.2165
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This paper presents an annual multidisciplinary, non-spatial model which formalizes the relationships linking the dynamics of shrubs, herbs, soil, livestock and farmers' behaviour with possible exogenous drivers of degradation, such as weather and prices. The model does not represent a pasture-livestock system but a shrub-soil one and is applied to a rangeland in Lagadas County (Northern Greece). A sensitivity analysis of the model is also presented. It shows that livestock, in general, and factors increasing farmers' profits, in particular, are currently helping to combat shrub invasion in Lagadas while having low impacts on erosion rates. Copyright (c) 2012 John Wiley & Sons, Ltd.
引用
收藏
页码：468 / 482
页数：15
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