A phytosociological survey of a woodland located in the central part of Umbria (Central Italy) was carried out using the Braun-Blanquet method: 80 relevés were classified through cluster analysis. Nine forest syntaxa were reported and three subassociations (Erico arboreae-Quercetum cerridis lathyretosum veneti, Aceri obtusati-Quercetum cerridis arbutetosum unedonis and Cyclamino hederifolii-Quercetum ilicis quercetosum cerridis) were typified. Topographic data (altitude, aspect, slope, morphology) and pedological data (soil pH, texture and depth) were collected and a synecological analysis of syntaxa was performed. In order to understand the relation between environmental factors and plant communities, a Canonical Correspondence Analysis was run. The results showed soil parameters (pH, texture and depth) and altitude as the main ecological factors explaining the distribution of plant communities in the study area. The combination of topographic factors (aspect, morphology and slope angle) influences, by contrast revealed the distribution of forest syntaxa within homogeneous geo-pedological and bioclimatic conditions.

Syntaxonomy and site ecology of a Central Italy forest landscape

TARDELLA, Federico Maria;CATORCI, Andrea
2011

Abstract

A phytosociological survey of a woodland located in the central part of Umbria (Central Italy) was carried out using the Braun-Blanquet method: 80 relevés were classified through cluster analysis. Nine forest syntaxa were reported and three subassociations (Erico arboreae-Quercetum cerridis lathyretosum veneti, Aceri obtusati-Quercetum cerridis arbutetosum unedonis and Cyclamino hederifolii-Quercetum ilicis quercetosum cerridis) were typified. Topographic data (altitude, aspect, slope, morphology) and pedological data (soil pH, texture and depth) were collected and a synecological analysis of syntaxa was performed. In order to understand the relation between environmental factors and plant communities, a Canonical Correspondence Analysis was run. The results showed soil parameters (pH, texture and depth) and altitude as the main ecological factors explaining the distribution of plant communities in the study area. The combination of topographic factors (aspect, morphology and slope angle) influences, by contrast revealed the distribution of forest syntaxa within homogeneous geo-pedological and bioclimatic conditions.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11581/250470
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