Browsing by Subject "Endemism"

Now showing 1 - 3 of 3
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    Aportaciones al conocimiento de la distribución y el estado de conservación del endemismo amenazado Solenanthus reverchonii Debeaux ex Degen (Boraginaceae) en Andalucía (España)
    (Murcia: Servicio de Publicaciones de la Universidad de Murcia, 2014) Gutiérrez, Leonardo; García, Sandra; Cuerda, David; Marchal Gallardo, Francisco
    Se amplía el área de distribución y los efectivos conocidos actualmente del endemismo andaluz Solenanthus reverchonii Debeaux ex Degen, confirmando su presencia en la Sierra de los Cuartos (Parque Natural Sierras de Cazorla, Segura y las Villas), provincia de Jaén, a partir de citas históricas de la zona aportadas por Elisée Reverchon. Se realiza una evaluación del estado de conservación para determinar la categoría de amenaza actual según los criterios de la UICN.
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    Are the endemic water beetles of the Iberian Peninsula and the Balearic Islands effectively protected?
    (Elsevier, 2008-05-27) Sánchez Fernández, David; Bilton, David T.; Abellán, Pedro; Ribera, Ignacio; Velasco, Josefa; Milán, Andrés; Ecología e Hidrología
    One of the most serious environmental problems is the current acceleration in the rate of species extinction associated with human activities, which is occurring particularly rapidly in freshwaters. Here we examine whether endemic water beetles are effectively protected by existing conservation measures in the Iberian Peninsula and the Balearic Islands, a region of high diversity and intense human pressure. We used an exhaustive database for aquatic beetles in the region to address such issues. Firstly, we identify the most threatened endemic taxa using a categorization system to rank species according to their conservation priority or vulnerability. Of the 120 endemic species of water beetles used in the analysis, only two (Ochthebius ferroi and Ochthebius javieri) were identified as being extremely vulnerable, 71 were highly vulnerable and 46 moderately vulnerable, with only a single species identified as having low vulnerability status. Since no Iberian species of aquatic Coleoptera has legal protection, the only conservation measure available for these species is the extent to which they occur in protected areas. Here we identify distributional hotspots for threatened endemic species, and evaluate the extent to which these are already included in the Natura 2000 network in Spain and Portugal. Despite a high degree of concordance between hotspots and Natura 2000 sites, the distribution of four species falls completely outside the network. The analysis also reveals that Natura 2000 fails to protect saline water bodies, despite their high conservation interest and narrow global distribution. The picture revealed here with water beetles is likely to be similar for others groups of freshwater macroinvertebrates, since Coleoptera are known to be good surrogates of aquatic biodiversity in the region. Finally, the degree of protection provided via Natura 2000, and the utility of red lists are discussed.
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    Matches and mismatches between conservation investments and biodiversity values in the European Union
    (Wiley, 2017) Sánchez Fernández, David; Abellán, Pedro; Aragón, Pedro; Varela, Sara; Cabeza, Mar; Ecología e Hidrología
    Recently, the European Commission adopted a new strategy to halt the loss of biodiversity. Member states are expected to favor a more effective collection and redistribution of European Union (EU) funds under the current Multiannual Financial Framework for 2014–2020. Because of the large spatial variation in the distribution of biodiversity and conservation needs at the continental scale, EU instruments should ensure that countries with higher biodiversity values get more funds and resources for the conservation than other countries. Using linear regressions, we assessed the association between conservation investments and biodiversity values across member states, accounting for a variety of conservation investment indicators, taxonomic groups (including groups of plants, vertebrates, and invertebrates), and indicators of biodiversity value. In general, we found clear overall associations between conservation investments and biodiversity variables. However, some countries received more or less investment than would be expected based on biodiversity values in those countries. We also found that the extensive use of birds as unique indicators of conservation effectiveness may lead to biased decisions. Our results can inform future decisions regarding funding allocation and thus improve distribution of EU conservation funds.