Quinta-Nova, L.C., Ribeiro, S., Roque, N. & Ribeiro, M.M.A.. (2016). Multicriteria Spatial Analysis to evaluate strawberry tree biophysical suitability. World Congress Silvo‐Pastoral Systems 2016. Évora.
Title
Multicriteria Spatial Analysis to evaluate strawberry tree biophysical suitability
The strawberry tree (Arbutus unedo L.) is a native species, water stress and low fertility soils tolerant, actively resistant to wild fires and widely distributed in Portugal. In this study we intend to identify the most suitable habitat to the species in the Center region of Portugal based on the integration of a set of biogeophysical factors.For that purpose we estimated descriptors based in topography, soil, fire history,and the current and potential vegetation cover. Climatological data were collected to calculate bioclimatic indexes, using geostatistical tools. The different layers were classified in to three suitability levels for Arbutus: unfavorable, indifferent and favorable.Based on the layers resulting from the reclassification in suitability levels, we calculated the habitat suitability index (HSI) for strawberry tree.The suitability evaluation was performed using the Analytic Hierarchy Process (AHP). According to AHP methodology, weights and priorities to be given to criteria results from an evaluation made by a set of experts, along pair comparison matrix being developed using a scale of nine levels. GeoBioTec info:eu-repo/semantics/publishedVersion
