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Revista de Ciências Agrárias
versión impresa ISSN 0871-018X
Resumen
VELOSO, Luis; SILVA, Alexandre; NUNES, Leónia y COSTA, Cristina A.. Biodiversity in natural and seminatural habitats in the ‘baixa do rio Seia’. Rev. de Ciências Agrárias [online]. 2017, vol.40, n.spe, pp.11-20. ISSN 0871-018X. https://doi.org/10.19084/RCA16195.
The ‘baixa do rio Seia’ has a large floristic diversity organized in several natural and semi-natural habitats. It is possible to find, in this area, the presence of potential vegetation though it has been the target of intense human interventions, as well as some species that are important in terms of conservation. The main objective of this study was to contribute to the conservation of the local habitats and species, in a area recently detached from the Parque Natural da Serra da Estrela - the ‘baixa do rio Seia’. For that, the ‘baixa do rio Seia’ georeferencing was performed and a floristic survey of the habitats in the area of study (oaks, dry meadows, humid meadows, low forests of heather, forests of lavender, high forest thickets and riparian gallery) was undertaken. About 210 taxa were identified belonging to 55 families. These taxa represent about 40% of the species present in the municipality of Seia. In the area of study, it should be highlighted the presence of a nucleus of Veronica micrantha Hoffmanns. et Link, the presence of Narcissus bulbocodium L., and some species with limited distribution in Portugal, such as Myosotis persoonii and Cucubalus baccifer L.
Palabras clave : ‘baixa do rio Seia’; natural and semi-natural habitats; potential vegetation.