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      Comparación de las comunidades de artrópodos en la isla Apipé Grande, el Chaco Húmedo y la selva Paranaense en la provincia de Corrientes, Argentina Translated title: Comparison of arthropod communities on the Apipé Grande Island, the Chaco Húmedo and the Selva Paranaense in the province of Corrientes, Argentina

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          Abstract

          La isla Apipé Grande se encuentra al norte de la provincia de Corrientes, Argentina, siendo el Chaco Húmedo y la Selva Paranaense las regiones fitogeográficas adyacentes a ella. Aquí se determina la composición del ensamble de artrópodos de parches de bosques de Apipé Grande, se evalúa si presenta diferencias con comunidades de artrópodos de ambientes continentales similares, y se determina con cuál región fitogeográfica adyacente comparte más especies. Se muestrearon 5 sitios en cada una de las siguientes áreas: Apipé, Chaco Húmedo y Selva Paranaense, con un G-Vac sobre la vegetación. Se generaron curvas de rango-abundancia para comparar la composición de las comunidades, y con un NMDS se analizó el grado de similitud de los ensambles de especies/morfoespecies entre sitios. Se calculó el índice de Raup-Crick estandarizado, a fin de determinar si las comunidades se encuentran estructuradas al azar o no. Apipé presentó un ensamble propio, compartiendo un porcentaje de fauna con las comunidades continentales. Si bien muchos artrópodos compartidos entre el continente y Apipé no tienen altas capacidades de dispersión, esta limitación en la dispersión parece no ser un condicionamiento para estructurar los ensambles, siendo los requerimientos ambientales de las especies importantes para determinar la composición de las comunidades.

          Translated abstract

          Apipé Grande Island is localized north of the province of Corrientes (Argentina), with the phytogeographic regions of the Chaco Húmedo and the Selva Paranaense adjacent to it. The objectives of the study were to determine the composition and arthropod assemblages in forest environments of Apipé Grande Island, and evaluate if they differ of continental arthropod communities of the same environment, and determine with which of those adjacent phytogeographic region (Chaco Húmedo or Selva Paranaense) shares more arthropod species. Five sites were sampled in each of the next studied areas: Apipé, Chaco Húmedo and Selva Paranaense, with a G-Vac over vegetation. Rank-abundance curves were generated to compare communities; and with a NMDS we analyzed the degree of assemblages association of species/morphospecies between sites. Raup-Crick standardized index was calculated to determine whether ecological communities have a nonrandom structure. Many arthropods species did not have high dispersal capabilities, but they were shared between the continental and Apipé communities, which suggests that the dispersal limitation of these species is not a constraint in the process of structuring assemblies. Environmental requirements of the species seem to be an important factor in determining the composition of these communities.

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            Measuring Biological Diversity

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              The biodiversity challenge: Expanded hot-spots analysis

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología (México )
                2007-8706
                2015
                : 86
                : 2
                : 370-376
                Affiliations
                [1 ] Universidad Nacional de Salta Argentina
                [2 ] Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
                Article
                S1870-34532015000200370
                10.1016/j.rmb.2015.04.023
                14e4c03a-d2ac-4ac4-b90b-03b482b5553d

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

                History
                Categories
                Biodiversity Conservation

                Animal science & Zoology
                Assemblages,Arthropoda,Similitude,Phytogeografic regions,Ensambles,Similitud,Regiones fitogeográficas

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