Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain

9 páginas, 4 figuras.-- Article in Press.-- El PDF del artículo es el manuscrito del autor.

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Main Authors: Alados, Concepción L., Puigdefábregas, Juan, Martínez-Fernández, Jesús
Format: artículo biblioteca
Language:English
Published: Elsevier 2011
Subjects:Drylands, Fractals, Self-organization, Vegetation spatial patterns,
Online Access:http://hdl.handle.net/10261/38127
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spelling dig-ccma-es-10261-381272024-01-17T16:31:21Z Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain Alados, Concepción L. Puigdefábregas, Juan Martínez-Fernández, Jesús Drylands Fractals Self-organization Vegetation spatial patterns 9 páginas, 4 figuras.-- Article in Press.-- El PDF del artículo es el manuscrito del autor. The climate of semi-arid Mediterranean areas is characterized by highly variable rainfall and seasonal droughts, which favor highly specialized flora, high biodiversity, and the emergence of a large number of endemic species. Such highly specialized complex ecosystems are expected to be more difficult to return to a previous state following perturbation than are more mild ecosystems and lead to dramatic transitions in vegetation. An understanding of the circumstances under which irreversible transition shifts occur is vital in an age of climate change and socio-economic globalization. This will have significant consequences for those highly specialized areas unless management practices, conservation, and preventive measures are increased. Within ecosystems, the interactions between multiple factors acting at multiple temporal and spatial scales, and the inertia of ecological processes, make the consequences of current management practices persist for a long time. To understand the relative importance of the underlying mechanisms that influence the resilience of drylands in southeastern Spain, we reviewed what is known about plant–soil interactions and the spatial distribution of vegetation to detect early warning signs of desertification. We analyzed the role of the self-organizing capacity of vegetation in the formation of vegetation spatial patterns at multiple spatial scales. In addition, we evaluated the importance of threshold indicators as early detectors of transition shifts in dryland ecosystems. We gratefully acknowledge the support of the Spanish Science and Innovation Ministry (PN-MCI) (CGL2008-00655/BOS), and GA-LC-010/2008 from the Aragón Regional Government and “La Caixa”. Peer reviewed 2011-07-29T11:19:21Z 2011-07-29T11:19:21Z 2011 artículo http://purl.org/coar/resource_type/c_6501 Journal of Arid Environments 75(12) : 1368-1376 (2011) 0140-1963 http://hdl.handle.net/10261/38127 10.1016/j.jaridenv.2010.12.004 en http://dx.doi.org/10.1016/j.jaridenv.2010.12.004 open Elsevier
institution CCMA ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-ccma-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del CCMA España
language English
topic Drylands
Fractals
Self-organization
Vegetation spatial patterns
Drylands
Fractals
Self-organization
Vegetation spatial patterns
spellingShingle Drylands
Fractals
Self-organization
Vegetation spatial patterns
Drylands
Fractals
Self-organization
Vegetation spatial patterns
Alados, Concepción L.
Puigdefábregas, Juan
Martínez-Fernández, Jesús
Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain
description 9 páginas, 4 figuras.-- Article in Press.-- El PDF del artículo es el manuscrito del autor.
format artículo
topic_facet Drylands
Fractals
Self-organization
Vegetation spatial patterns
author Alados, Concepción L.
Puigdefábregas, Juan
Martínez-Fernández, Jesús
author_facet Alados, Concepción L.
Puigdefábregas, Juan
Martínez-Fernández, Jesús
author_sort Alados, Concepción L.
title Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain
title_short Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain
title_full Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain
title_fullStr Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain
title_full_unstemmed Ecological and socio-economical thresholds of land and plant-community degradation in semi-arid Mediterranean areas of southeastern Spain
title_sort ecological and socio-economical thresholds of land and plant-community degradation in semi-arid mediterranean areas of southeastern spain
publisher Elsevier
publishDate 2011
url http://hdl.handle.net/10261/38127
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