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      Vegetación del Monumento Natural y Paisaje Protegido Loma de Las Tapias. Departamentos Ullum y Albardón, San Juan (Argentina)

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          Abstract

          En el presente trabajo se describe la vegetación del Monumento Natural y Paisaje Protegido Loma de Las Tapias (Provincia de San Juan). Esta área protegida fue creada con el objetivo de custodiar el paisaje de huayquerías y el yacimiento fosilífero de vertebrados del Plioceno Medio. Para analizar la vegetación, se realizaron 43 relevamientos siguiendo la metodología de Braun-Blanquet (1979), registrando variables ambientales como la pendiente, formación geológica asociada, altitud y cobertura vegetal. Los censos fueron agrupados mediante análisis multivariado dendrogramétrico. En total se registraron 72 especies de plantas vasculares. La fisonomía corresponde a un matorral xerófilo abierto dominado por especies de zigofiláceas y leguminosas, acompañadas por otros arbustos, cactáceas y escasas herbáceas, típicos de la provincia Fitogeográfica del Monte. A partir del análisis multivariado se detectaron cuatro unidades de vegetación relacionadas a la geología, altitud, pendiente y cobertura vegetal. Dado que este documento podría ser empleado por las autoridades encargadas de la preservación del sitio, finalmente se comentan aspectos relacionados a la conservación y uso del área.

          Translated abstract

          Vegetation of the Natural Monument and Protected Landscape Loma de Las Tapias. Ullum and Albardón Departaments, San Juan (Argentina). In this study, the vegetation of the Natural Monument and Protected Landscape Loma de Las Tapias (San Juan Province), is described. This protected area was created with the aim to protect the landscape of huayquerías (badlands) and the fossiliferous deposits comprising vertebrate fossils from the Middle Pliocene. To analyze the vegetation, 43 inventories were carried out following the Braun-Blanquet (1979) field methodology, recording environmental variables such as slope, associated geological formation, altitude and vegetal cover. The inventories were grouped through multivariate dendrogrammetric analysis. A total of 72 species of vascular plants was registered. The general physiognomy of the vegetation corresponds to an open xerophilous shrubland dominated by species of Zygophyllaceae and Fabaceae accompanied by other shrubs, cacti and an open herbaceous layer, typical of the Phytogeographic Monte Province. Four vegetation units were detected through the multivariate analysis; these units were related to geology, altitude, slope and plant cover. Since this document could be used by the provincial authorities in charge of the protected area, some topics related to the conservation and use of the area are finally discussed

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          Contributors
          Role: ND
          Journal
          bsab
          Boletín de la Sociedad Argentina de Botánica
          Bol. Soc. Argent. Bot.
          Sociedad Argentina de Botánica (Córdoba, Córdoba, Argentina )
          1851-2372
          September 2018
          : 53
          : 3
          : 1-10
          Article
          S1851-23722018000300004
          2d54d486-8c4d-40e8-83b1-6f57cd3160cc

          This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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          Figures: 0, Tables: 0, Equations: 0, References: 6, Pages: 10
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          SciELO Argentina


          Áreas protegidas, Unidades de vegetación, Fitosociología, Desiertos hiper áridos,Protected areas, Vegetation units, Phytosociology, Hyper arid deserts

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