2010
DOI: 10.5194/we-10-1-2010
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Fine-scale patterns of vegetation assembly in the monitoring of changes in coastal sand-dune landscapes

Abstract: Understanding dune ecosystem responses to multi-scale environmental changes can provide the framework for reliable forecasts and cost-efficient protocols for detecting shifts in prevailing coastal dynamics. Based on the hypothesis that stress and disturbance interact as primary community controls in coastal dunes, we studied the fine-scale floristic assembly of foredune vegetation, in its relation to topography, along regional and local environmental gradients in the 200 km long coastline of northern Portugal,… Show more

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Cited by 30 publications
(30 citation statements)
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“…Along the sea-inland ecological gradient, a notable shift of the environmental parameters was found, which was connected with the shift of plant communities that go from the annual vegetation of drift lines to shrub communities of backdunes, as shown in other coastal dune systems (Sýkora et al, 2004;Ihm et al, 2007;Forey et al, 2008;Lane et al, 2008;Honrado et al, 2009;Wiser et al, 2010;Isermann, 2011). In particular, the CCA analysis highlighted how the distance to the coastline, the mean grain-size, the organic matter concentration and the shoreline trend constitute the most important parameters able to significantly affect the plant composition of the Tuscany coast.…”
Section: 2relationship Between Environmental Factors and Vegetatiomentioning
confidence: 91%
“…Along the sea-inland ecological gradient, a notable shift of the environmental parameters was found, which was connected with the shift of plant communities that go from the annual vegetation of drift lines to shrub communities of backdunes, as shown in other coastal dune systems (Sýkora et al, 2004;Ihm et al, 2007;Forey et al, 2008;Lane et al, 2008;Honrado et al, 2009;Wiser et al, 2010;Isermann, 2011). In particular, the CCA analysis highlighted how the distance to the coastline, the mean grain-size, the organic matter concentration and the shoreline trend constitute the most important parameters able to significantly affect the plant composition of the Tuscany coast.…”
Section: 2relationship Between Environmental Factors and Vegetatiomentioning
confidence: 91%
“…Vários autores demonstraram a forte correlação existente entre a mobilidade da areia, a topografia dunar e a distribuição espacial das comunidades de plantas (Moreno -Casasola, 1986;Dech e Maun, 2005;Levin et al, 2008;Honrado et al, 2010Honrado et al, ). acosta et al (2007 postularam que o declive e a orientação da superfície dunar constituem duas variáveis essenciais para a compreensão da relação entre o zonamento dos principais tipos de comunidades de plantas e a morfologia dunar local.…”
Section: Amostragem De Campo E Dados Sobre a Vegetaçãounclassified
“…Os resultados obtidos com a correlação de spearman apontam para a evidência de que A. arenaria, enquanto dominante, inibe a coexistência de outras espécies tanto em número como em abundância, tal como Honrado et al (2010) concluíram para dunas frontais, que manifestam uma dinâmica transgressiva no litoral nW português. além disso, sugerem que a mobilidade da areia, variável diretamente modificada por esta planta, constitui um fator primordial à escala local para manter a presença de toda uma série de espécies anuais e vivazes (forey et al, 2008), e assegurar a sua diversidade máxima nas dunas frontais.…”
Section: Fig 4 -Dendrogram Of Twinspan Classification Of Sampled Plaunclassified
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