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11 results

  • Reptile species persistence under climate change and direct human threats in north-western Argentina

  • JAVIER NORI, GERARDO C. LEYNAUD, JOSÉ VOLANTE, CRISTIAN S. ABDALA, GUSTAVO J. SCROCCHI, CLARITA RODRÍGUEZ-SOTO, ROBERT L. PRESSEY, RAFAEL LOYOLA
  • Journal:
    Environmental Conservation / Volume 45 / Issue 1 / March 2018
    Published online by Cambridge University Press:
    19 May 2017, pp. 83-89

  • Protected areas have been established historically in residual places where the potential for extractive uses is low, implying that places at risk are usually under-protected. Argentina is no exception, with few protected areas established in productive regions that are prone to conversion. Here, using reptiles as a study group and considering the most important human threats in north-western Argentina, we estimated priority conservation areas where we expect species to persist in the face of climate change and land conversion. Protected areas cover no more than 9% of the study region, but represent less than 15% of reptile distributions. There are great opportunities for improving the conservation status in the region by protecting only 8% more of north-western Argentina, with the level of species protection inside the protected area network increasing almost four-fold, reaching 43% of species distributions on average and 59% of the distributions of threatened reptiles. Fortunately, the highest diversity of reptiles in the region does not match the places targeted for agriculture expansion. Our findings suggest that future prioritization schemes should embrace other groups that are especially diverse in the Chaco ecoregion, which overlaps with our study area.

Complications of Neuroendovascular Procedures and Bailout Techniques
  • Edited by Rakesh Khatri, Gustavo J. Rodriguez, Jean Raymond, Adnan I. Qureshi
  • Published online:
    05 September 2016
    Print publication:
    08 September 2016
  • Neuroendovascular and neurointerventional therapy is a specialty where disseminating personal knowledge and expert opinion is extremely important, owing to the lack of large-scale clinical trials. The management of complications that occur during or immediately after therapeutic interventions is particularly challenging because these can significantly affect patient outcomes. This book presents how various complication scenarios are handled by well-qualified authorities in the field of neurointervention from three disciplines: neurology, neurosurgery, and neuroradiology. Contributors describe their management of these complications, focusing on the common principles that all the specialists agree on, and give tips and tricks for 'bailout' procedures to help get the practitioner out of trouble. The book is well illustrated and covers the full range of neuroendovascular and neurointerventional procedures. The book will appeal to neurointerventionists, neuroradiologists, stroke physicians, neurosurgeons and vascular surgeons for its practical approach to managing these commonly encountered problems.