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Advisor(s)
Abstract(s)
This article deals with a phytosociological survey of marcescent Portuguese oak (Quercus broteroi) forests in southern
Portugal, and presents the results of an analysis of 56 releve´s, combining Braun–Blanquet’s methodology with hierarchical
cluster analysis (Ward’s Hierarchical Clustering, based on Bray–Curtis distance). From these results, a new
temporihygrophilous Portuguese oak forest association is described. Largely thermomediterranean, upper dry to subhumid,
Ulici welwitschiani–Quercetum broteroi occurs on limestone soils within the Coastal Lusitan-Andalusian Province. Its high
conservation value – mainly due to its rarity and floristic structure – supports this forest’s integration in Habitat 9240 (Annex
B-I from Council Directive 92/43/EEC) in order to ensure its preservation. Based on the results, new biogeographic borders
for the Ribatagan-Sadensean Sector are proposed
Description
Keywords
biodiversity conservation hieratchical cluster analysis phytosociology Quercus broteroi woodlands Vale do Guizo formation
Pedagogical Context
Citation
C. Vila-Viçosa, P. Mendes, S. Del Rio, C. Meireles, R. Quinto-Canas, P. Arsénio & C. Pinto-Gomes (2012): Temporihygrophilous Quercus broteroi forests in southern Portugal: Analysis and conservation, Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology: Official Journal of the Societa Botanica Italiana, 146(1) 298-308, DOI:10.1080/11263504.2012.678402