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      Beetle diversity in fragmented thornscrub and isolated trees Translated title: Diversidade de coleópteros em um fragmento do bioma thornscrub e árvores isoladas

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          Abstract

          Abstract Due to land use change mainly for induced agriculture, Tamaulipan thornscrubin northeast Mexico has been cleared and transformed into small patches of vegetation as small as isolated trees surrounded by agricultural fields. In this study, we explored how tree isolation or growing inside a fragment of remnant vegetation influence diversity of coleopterans in two plant species (Prosopis laevigata (Humb. &Bonpl.exWilld.) M.C. Johnst. (mesquite) and Ebenopsis ebano (Berl.) Barneby (Texas ebony). We found 72 coleopteran morphospecies; fifteen occurred mainly in remnant fragments and ten mainly in isolated trees. There were more insects under isolated mesquites than under those immersed in remnant fragments, while in Texas ebony the highest beetle density for isolated trees coincided with periods of bean and maize in surrounding agriculture.

          Translated abstract

          Resumo Devido a mudança de uso da terra para induzir principalmente a agricultura, o bioma thornscrub no nordeste México tem sido transformado em fragmentos pequenos como árvores isoladas rodeadas por campos agrícolas. Neste estudo exploramos como o isolamento das árvores influi na diversidade de coleópteros em duas espécies de plantas (Prosopis laevigata (Humb. & Bonpl.ex Willd) M.C. Johnst. (mesquite) e Ebenopsis ebano (Berl.) Barneby (Texas ebony). Encontramos 72 morfospecies do coleópteros; quinze ocorreram principalmente em fragmentos remanescentes e dez em árvores isoladas. No estudo houve mais insetos nas “mesquite” isoladas do que nos fragmentos remanescentes do bioma thornscrub, enquanto que em “Texas ebony” a densidade alta de coleópteros para árvores isoladas coincidiu com períodos de produção de feijão e milho na agricultura ao redor.

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          Edge Effects in Central Amazonian Forest Fragments

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            Monotonic or Unimodal Diversity-Productivity Gradients: What Does Competition Theory Predict?

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              Characteristics of insect populations on habitat fragments: A mini review

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                bjb
                Brazilian Journal of Biology
                Braz. J. Biol.
                Instituto Internacional de Ecologia (São Carlos, SP, Brazil )
                1519-6984
                1678-4375
                March 2017
                : 77
                : 1
                : 92-96
                Affiliations
                [02] San Luis Potosí SLP orgnameInstituto Potosino de Investigación Científica y Tecnológica orgdiv1División de Ciencias Ambientales México
                [01] Linares orgnameUniversidad Autónoma de Nuevo León orgdiv1Facultad de Ciencias Forestales Mexico
                Article
                S1519-69842017000100092
                10.1590/1519-6984.10615
                adbac973-69cc-48fa-b2d2-186ad730e397

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

                History
                : 30 September 2015
                : 07 July 2015
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 5
                Product

                SciELO Brazil


                coleopterans,vegetation-patches,landscape,coleoptera,paisagem fragmentada,vegetação fragmentada

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