Arid
DOI10.1016/j.scitotenv.2016.04.065
Present and future of desertification in Spain: Implementation of a surveillance system to prevent land degradation
Martinez-Valderrama, Jaime1; Ibanez, Javier2; Del Barrio, Gabriel1; Sanjuan, Maria E.1; Alcala, Francisco J.3,4,5; Martinez-Vicente, Silvio6; Ruiz, Alberto1; Puigdefabregas, Juan1
通讯作者Martinez-Valderrama, Jaime
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
出版年2016
卷号563页码:169-178
英文摘要

Mitigation strategies are crucial for desertification given that once degradation starts, other solutions are extremely expensive or unworkable. Prevention is key to handle this problem and solutions should be based on spotting and deactivating the stressors of the system. Following this topic, the Spanish Plan of Action to Combat Desertification (SPACD) created the basis for implementing two innovative approaches to evaluate the threat of land degradation in the country.


This paper presents tools for preventing desertification in the form of a geomatic approach to enable the periodic assessments of the status and trends of land condition. Also System Dynamics modelling has been used to integrate bio-physical and socio-economic aspects of desertification to explain and analyse degradation in the main hot spots detected in Spain.


The 2dRUE procedure was implemented to map the land-condition status by comparing potential land productivity according to water availability, the limiting factor in arid lands, with plant-biomass data. This assessment showed that 20% of the territory is degraded and an additional 1% is actively degrading. System Dynamics modelling was applied to study the five desertification landscapes identified by the SPACD. The risk analysis, implemented on these models, concluded that ’Herbaceous crops affected by soil erosion’ is the landscape most at risk, while the Plackett-Burman sensitivity analysis used to rank the factors highlighted the supremacy of climatic factors above socioeconomic drivers. (c) 2016 Elsevier B.V. All rights reserved.


英文关键词Desertification Risk analysis Early warning system 2dRUE procedure System Dynamics modelling
类型Article
语种英语
国家Spain ; Portugal ; Chile ; Ecuador
收录类别SCI-E
WOS记录号WOS:000377792800020
WOS关键词INTEGRATED ASSESSMENT ; RURAL WATERSHEDS ; EROSION ; MODEL ; DECISION
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196221
作者单位1.CSIC, Estn Expt Zonas Aridas, Crtra Sacramento S-N, Almeria 04120, Spain;
2.Univ Politecn Madrid, Dept Econ Agr Estadist & Gest Empresas, E-28040 Madrid, Spain;
3.Univ Lisbon, Inst Super Tecn, Civil Engn Res & Innovat Sustainabil CERis, P-1049001 Lisbon, Portugal;
4.Univ Autonoma Chile, Fac Ingn, Inst Ciencias Quim Aplicadas, Santiago 7500138, Chile;
5.Tech Univ Ambato, Fac Agr Sci, Ambato 180104, Ecuador;
6.CSIC, Ctr Ciencias Humanas & Sociales, Madrid 28037, Spain
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GB/T 7714
Martinez-Valderrama, Jaime,Ibanez, Javier,Del Barrio, Gabriel,et al. Present and future of desertification in Spain: Implementation of a surveillance system to prevent land degradation[J],2016,563:169-178.
APA Martinez-Valderrama, Jaime.,Ibanez, Javier.,Del Barrio, Gabriel.,Sanjuan, Maria E..,Alcala, Francisco J..,...&Puigdefabregas, Juan.(2016).Present and future of desertification in Spain: Implementation of a surveillance system to prevent land degradation.SCIENCE OF THE TOTAL ENVIRONMENT,563,169-178.
MLA Martinez-Valderrama, Jaime,et al."Present and future of desertification in Spain: Implementation of a surveillance system to prevent land degradation".SCIENCE OF THE TOTAL ENVIRONMENT 563(2016):169-178.
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