ecological niche. The plants studied belong to two close species whose current distribution is restricted to the edges of small rivers and streams of the Iberian Peninsula and the western Mediterranean basin. The ancestors of these species are known from fossils that inhabited central Europe in the Pliocene, Numerous previous studies have demonstrated the effect of abrupt climatic oscillations, such as the Quaternary glaciations, on the distribution of animals and plants in Europe. However, the influence of these changes on the ecological requirements of the species is not well known. The published research argues how the historical climate changes that have occurred since the Pliocene, characterized by a general cooling and aridification of the
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climate in Europe, not only displaced the studied species, Uruguay WhatsApp Number List but that they were forced to change their ecological preferences in order to adapt and survive to the climate of the new areas in which they were installed. Thus, while the ancestor of these plants had to escape the progressive cooling of northern Europe, An additional consequence was the fragmentation of the ancestor’s distribution area, which eventually induced the speciation of these chaices as their populations were isolated in different regions, originating one species in the western Mediterranean –the Iberian Peninsula, Morocco and Algeria– and another in the central Mediterranean – Sicily, Sardinia and Tunisia. Furthermore, the genetic structure found in both species is strongly determined by
geographic barriers such as seas and mountains, supporting the fundamental role of geography in the origin of many species. The study helps to understand and anticipate the effect of future climatic changes on the ecology of the species as part of their adaptation strategies to a changing environment. The question remains whether species will be able to adapt to current climate change, produced by human activity and taking place at an unprecedented rate. A team made up of research staff from the Botany Area of the Pablo de Olavide University , the Higher Council for Scientific Research (CSIC), the University of Seville and the Smithsonian Institution (United States) has published a study on the response of plants to past climate changes in the