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      Especies de hormigas asociadas a Prosopis ruscifolia Griseb. en ambientes salinos del Chaco Semiárido Translated title: Ants species associated with Prosopis ruscifolia Griseb. in saline environments of the Semi-arid Chaco

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          Abstract

          Diferentes especies de hormigas establecen estrechas asociaciones con determinadas familias de plantas. Las hormigas tienen efectos beneficiosos en la polinización, dispersión de semillas y protección, a cambio de recursos alimenticios y de espacios para anidar ofrecidos por los vegetales. Prosopis ruscifolia, posee características ecológicas y estructurales que podrían permitirle establecer relaciones mutualísticas con especies de hormigas presentes en los ambientes que habitan. El objetivo de este trabajo fue realizar un estudio preliminar del ensamble de hormigas que se encuentra asociado a P. ruscifolia en ambientes salinos y aportar al conocimiento de la mirmecofauna de la región. Se realizaron recolecciones de hormigas en 52 ejemplares de P. ruscifolia en ambientes salinos ubicados al sur de la provincia de Santiago del Estero. Se identificaron 16 especies de hormigas, seis de las cuales usarían al vinal como recurso de anidamiento y el resto para la obtención de alimentos. Se determinó un promedio de 13,17 individuos y 2,35 especies de hormigas por árbol. La diversidad α y riqueza específica de hormigas encontrada en este estudio aporta valiosos conocimientos sobre los ensambles de hormigas de ambientes salinos y es una línea de base para futuros estudios sobre relación planta-hormiga en la región, específicamente sobre el "vinal".

          Translated abstract

          Different species of ants establish narrow associations among determined families of plants. The ants have beneficial effects on pollination, dispersion of seeds and protection, in exchange for nutritious resources and nesting places offered by the vegetation. Prosopis ruscifolia possesses structural and ecological characteristics that may allow it to establish mutually beneficial relationships with ant species present in the environments they inhabit. The goal of this work was to carry out a preliminary study of assembles of ants that it is associated to P. ruscifolia in environmental saline and contributes to the knowledge of the myrmecofauna of the region. The collections of ants were carried out on 52 individuals of P. ruscifolia of saline environments located in the south of Santiago del Estero. We identified 16 species of ants, six of which would use the "vinal" as a resource for nesting and the other to obtain food. An average of 13,17 individuals was determined and 2,35 species of ants by tree. The diversity and specific richness of ants found in this study offer a valuable knowledge about assembles of ants of saline environments and it is a base line for future studies about the relationship plant-ant in the region, specifically on the "vinal".

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          Most cited references56

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          PAST: Paleontological Statistics Software Package for Education and Data Analysis

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            Explaining the abundance of ants in lowland tropical rainforest canopies.

            The extraordinary abundance of ants in tropical rainforest canopies has led to speculation that numerous arboreal ant taxa feed principally as "herbivores" of plant and insect exudates. Based on nitrogen (N) isotope ratios of plants, known herbivores, arthropod predators, and ants from Amazonia and Borneo, we find that many arboreal ant species obtain little N through predation and scavenging. Microsymbionts of ants and their hemipteran trophobionts might play key roles in the nutrition of taxa specializing on N-poor exudates. For plants, the combined costs of biotic defenses and herbivory by ants and tended Hemiptera are substantial, and forest losses to insect herbivores vastly exceed current estimates.
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              Resource discovery versus resource domination in ants: a functional mechanism for breaking the trade-off

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                Author and article information

                Journal
                quebra
                Quebracho (Santiago del Estero)
                Quebracho (Santiago del Estero)
                Universidad Nacional de Santiago del Estero. Facultad de Ciencias Forestales (Santiago del Estero, Santiago del Estero, Argentina )
                0328-0543
                1851-3026
                July 2012
                : 20
                : 1
                : 29-38
                Affiliations
                [01] orgnameCONICET orgdiv1INPROVE
                [02] orgnameFacultad de Ciencias Forestales
                Article
                S1851-30262012000100004 S1851-3026(12)02000100004
                f4f8c377-86ac-46d1-b4ae-7189e38d71e4

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

                History
                : September 2011
                : September 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 58, Pages: 10
                Product

                SciELO Argentina


                Biodiversity,Interacciones planta-hormiga,Mirmecófita,Biodiversidad,Formicidae,Myrmecophyte,Plant-ant interactions sample

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