Publications
Island tourism carrying capacity in the UNESCO Site Laurisilva of Madeira
Tourism carrying capacity (TCC) in the UNESCO World Heritage Site of Laurisilva of Madeira is significantly below theoretical limits, yet trail access remains unrestricted despite concerns for natural resource management. This finding stems from a study that assessed TCC on two popular Rabaçal trails using a formulation integrating physical aspects and environmental correction factors. Despite UNESCO's recommendations for managing tourism impacts, the local population's perception of overuse suggests a critical gap between theoretical capacity and actual management practices.
Social Carrying Capacity in Island Destinations: Interpreting Visitors’ Opinions in Madeira Island
Visitors to the UNESCO-listed Laurisilva of Madeira exhibit only slight satisfaction with social carrying capacity, despite registering an average satisfaction level of 71%. The study identifies five key dimensions—cleanliness and natural conditions, trail amenities, trail conditions, environmental conditions, and pollution levels—as critical factors influencing visitor enjoyment. Nonparametric tests revealed statistically significant differences in satisfaction based on respondents' education levels, underscoring the importance of these social values for effective site management. This approach complements traditional physical thresholds by providing actionable insights for planning and managing island destinations.
Spatial distribution of Madeira Island Laurisilva endemic spiders (Arachnida: Araneae)
A recent biodiversity survey on Madeira Island's native Laurisilva forest revealed a significant spider diversity, with approximately 33.3% of the recorded species being Madeiran endemics. This study identified two new spider species to science—Ceratinopsis n. sp. and Theridion n. sp.—and documented the first records for Poeciloneta variegata and Tetragnatha intermedia on the island, which had not been previously reported. The research utilized standardized samples from various Laurisilva patches across Madeira, providing insights into species richness and abundance patterns. Distribution maps for endemic species were also generated, contributing to a better understanding of spider diversity in this unique UNESCO World Heritage Site.
Spatial Factors Play a Major Role as Determinants of Endemic Ground Beetle Beta Diversity of Madeira Island Laurisilva
Spatial factors significantly influence the beta diversity of endemic ground beetles in Madeira Island's Laurisilva, a relict forest. The study found that 31.9% of species turnover and 40.7% of species richness variation could be explained by environmental and spatial variables. Climate, disturbance, soil organic matter content, altitude, and slope were key determinants, with spatial variables indicating the importance of dispersal ability and the island's complex orography. The research used a spatially explicit analysis to evaluate the contribution of pure environmental, pure spatial, and environmentally structured effects on beetle species richness and composition.
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