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The cave is composed of linear phreatic conduits that have two forms. The Sac Actun system, located in northeast Quintana Roo, Mexico, is among the most extensive underwater cave systems located along the Caribbean coast of the Yucatan Peninsula. The Sac Actun System, Quintana Roo, Mexico Sistema Sac Actun, Quintana Roo, MexicoĮnergy Technology Data Exchange (ETDEWEB)

In forty-nine 5Ã-500-m transects, we counted 52,612 individuals representing 14 species in 11 genera.  We compared composition and diversity of palm (Arecaceae) communities in three forest types along a gradient from dry deciduous, over intermediate to wet evergreen forest in Quintana Roo, Mexico.  Diversity and composition of palm communities (Arecaceae) in Quintana Roo MexicoĪlvarado, Arturo A. Copyright © 2015, American Society for Microbiology. This case likely represents the first report of this leprosy form and its agent in the southeastern tip of Mexico. The etiologic bacillus was determined to be Mycobacterium lepromatosis instead of Mycobacterium leprae. This suggests a completely new scenario for the geological evolution of the southern Yucatán Peninsula.ĭiffuse Lepromatous Leprosy Due to Mycobacterium lepromatosis in Quintana Roo, Mexico.Ī 43-year-old woman of Mayan origin from Quintana Roo, Mexico, was diagnosed with diffuse lepromatous leprosy. In southern Quintana Roo ( Mexico) the Chicxulub ejecta blanket is discontinuously filling a karstified pre-KT land surface. Geology of Southern Quintana Roo ( Mexico) and the Chicxulub Ejecta Blanket This is the first record of this species in Quintana Roo. albipes were collected using CDC light traps. In Quintana Roo, Mexico, 7 species have been previously recorded: Ps. Some species occur in the Nearctic region of the country (northern Mexico), whereas other species occur in the Neotropical region (southern Mexico), and a few species occur in both regions. In Mexico the Psorophora genus includes 24 species divided into 3 subgenera: Grabhamia, Janthinosoma, and Psorophora. First Record of Psorophora albipes in Quintana Roo, Mexico.Ĭhan-Chable, Rahuel J Ortega-Morales, Aldo I Martínez-Arce, Arely