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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Format: | artículo biblioteca |
Language: | English |
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Elsevier
2011
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Subjects: | Drylands, Fractals, Self-organization, Vegetation spatial patterns, |
Online Access: | http://hdl.handle.net/10261/38127 |
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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 |
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Drylands Fractals Self-organization Vegetation spatial patterns Drylands Fractals Self-organization Vegetation spatial patterns |
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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 |
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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 |
work_keys_str_mv |
AT aladosconcepcionl ecologicalandsocioeconomicalthresholdsoflandandplantcommunitydegradationinsemiaridmediterraneanareasofsoutheasternspain AT puigdefabregasjuan ecologicalandsocioeconomicalthresholdsoflandandplantcommunitydegradationinsemiaridmediterraneanareasofsoutheasternspain AT martinezfernandezjesus ecologicalandsocioeconomicalthresholdsoflandandplantcommunitydegradationinsemiaridmediterraneanareasofsoutheasternspain |
_version_ |
1802819971028353024 |