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      Population dynamics of two troglobitic Troglorhopalurus (Scorpiones: Buthidae) scorpions from Brazil

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      ARPHA Conference Abstracts

      Pensoft Publishers

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          Abstract

          Population dynamics studies raise relevant data to understanding ecological aspects and natural history of species as well as better conservation strategies. Using two scorpions species, Troglorhopalurus translucidus Lourenço, Baptista & Giupponi, 2004 and Troglorhopalurus lacrau (Lourenço & Pinto-da-Rocha, 1997) from Chapada Diamantina, Bahia state, Brazil, we estimate populacional parameters through mark and recapture methodology, and Jolly-Seber estimator. In addition, data on both species as sexual ratio, reproductive biology, growth, longevity, feeding habitats, and seasonality were analyzed in the caves and afterwards compared to other scorpion species as well as other arachnids. We captured and marked 82 specimens of T. translucidus and 65 specimens of T. lacrau. Population estimates were 361 ± 199 individuals to T. translucidus and 333 ± 252 to T. lacrau. Population estimates were considered high for the troglobitic scorpions when compared to subterranean arachnids or even with epigean species of scorpions. Both troglobitic scorpions featured remarkable differences in relation to epigean scorpions as higher longevity, longer reproductive period, slower growth. Besides T. translucidus showed marked seasonality with populational variations in rainy seasons in contrast to T. lacrau with populational stability.  Suppl. material 1

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          Author and article information

          Journal
          ARPHA Conference Abstracts
          ACA
          Pensoft Publishers
          2603-3925
          October 08 2018
          October 08 2018
          : 1
          Article
          10.3897/aca.1.e30249
          © 2018

          http://creativecommons.org/licenses/by/4.0/

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