Modelos de nicho ecológico fundamental para especies del género Thraulodes (Ephemeroptera: Leptophlebiidae: Atalophlebiinae)
2013
Pérez-García, Belkys | Liria, Jonathan
Research on mayflies biogeography in the American continent have been generally narrative, proposing centers of origin and dispersal routes, suggesting distribution patterns for certain genera. Few researches have addressed the species level. In order to determine potential distribution patterns for species of Thraulodes, we used MaxEnt (Maximum Entropy), software based on the fundamental ecological niche model. From georeferenced records of 51 species we generated distribution patterns for 15 species that had 5 or more records. Area under Curve (AUC) data were close to 1 for T. brunneus, T. cochunaensis, T. consorts, T. eccentricus, T. gonzalesi, T. itatiajanus, T. lunatus, T. pacaya, T. packeri, T. paysandensis, T. Speciosus, T. schlingeri, T. tenulineus and T. zonalis, except for T. grandis. Across the continent, the variable determining the distributions was the ecoregion, and to a lesser extent those related to temperature and precipitation. Species with distributions ranges that go from the Mesoamerican domain (Caribbean subregion of the Neotropics) to the Nearctic appear to tend to overlapping and are less restricted than those species of South American Neotropics.
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