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Coupling academia and society facilitates the discovery and protection of a multifaceted butterfly fauna on islands

AuthorsCasacci, Luca Pietro; Dapporto, Leonardo; Vila, Roger
Issue DateMar-2016
CitationInternational Symposium Future 4 butterflies in Europe (2016)
AbstractThe current worldwide biodiversity crisis calls for identification, prioritization and protection of diversity hotspots. Insular populations are exposed to high risks of extinction because restricted habitats ofte n amplify the impact of stochastic events or human - induced effects. The emergence of endemic taxa, the persistence of relicts and the extinction of populations can follow deterministic processes, largely affected by functional species traits. Although this is considered a postulate of island biogeography, empirical tests on a diverse animal group over an entire archipelago have not yet been done. Here we analysed the data of 15 years of research on the butterflies of the Tuscan Archipelago. The combined eff ort made by academic units, public institutions, amateur entomologists and citizens have allowed us to i) carry out an extensive DNA barcoding assessment of the entire butterfly fauna including a comparison with populations from Sardinia, Corsica, and Tusc any, ii) identify which species recorded in the past experienced extinction or a dramatic decline, and iii) identify which functional traits (morphological, phenological, trophic and climatic preferences) are correlated with genetic structure, haplotype un iqueness and negative population trends. A key signal detected was a preference for lower temperatures and/or lower temperature tolerance for the species displaying higher genetic structure and species that have disappeared during the last decade. In pract ice, the species differentiating islands are also under higher risk and their conservation should be prioritized. Our results traced the pathway for conservation actions and point out the importance of linking academic research, institutional commitment an d citizen engagement.
DescriptionCasacci, Luca Pietro et al.-- Trabajo presentado en el International Symposium Future 4 butterflies in Europe, Dutch Butterfly Conservation (De Vlinderstichting), celebrado en Wageningen del 31 de marzo al 2 de abril de 2016.
Appears in Collections:(IBE) Comunicaciones congresos
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