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      Ensamblaje de escarabajos coprófagos (Scarabaeidae: Scarabaeinae) del Bosque Tropical Seco, Bahía Concha, Santa Marta (Colombia) Translated title: Assemblage of Coprophagous Beetles (Scarabaeidae: Scarabaeinae) of Tropical Dry Forest in Bahia Concha, Santa Marta (Colombia)

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          Abstract

          En un paisaje de bosque tropical seco, en la ensenada de Bahía Concha, Santa Marta, Colombia, se evaluó la variación espacio-temporal del ensamblaje de coleópteros coprófagos asociados a tres zonas con diferente grado de intervención antrópica. Se realizaron muestreos mensuales desde marzo hasta octubre del 2008, utilizando trampas de caída, cebadas con excremento humano. Se calculó la riqueza, abundancia, diversidad y la variación espacio-temporal de la estructura de la comunidad. Se capturaron 24.571 individuos pertenecientes a 22 especies. La especie dominante fue Canthidium sp. con 7.860 individuos. El bosque tropical seco antropizado y el pastizal presentaron la mayor riqueza (20) y abundancia (9.644 y 11.330 respectivamente); mientras que en la zona de bosque conservado se reportan 3.567 individuos agrupados en 17 especies. Temporalmente, mayo presentó un mayor número de capturas (5.139) y marzo la menor (151). El ANOSIM (p < 0,05), demostró que existe un patrón temporal en la comunidad debido a la precipitación, lo que está asociado a los cambios que se producen en el suelo y en la mayor disponibilidad y composición del recurso alimenticio. Los resultados demuestran la sensibilidad del gremio ante distintos niveles de intervención antrópica y la relación directa de la precipitación con el ensamblaje de coleópteros coprófagos en el área de estudio.

          Translated abstract

          In a tropical dry forest landscape, in the inlet of Bahia Concha, Santa Marta, Colombia, we evaluated the spatio-temporal variation in the assemblage of coprophagous coleopterans associated with three zones with different degrees of anthropogenic disturbance. Samples were collected monthly from March to October 2008 using pitfall traps baited with human excrement. We calculated the richness, abundance and spatio-temporal variation of the structure of the community. We captured a total of 24,571 individuals belonging to 22 species. The dominant species was Canthidium sp, with 7,860 individuals. The disturbed tropical dry forest and the grassland had the highest richness (20) and abundance (9,644 and 11,330); while in the conserved forest area 3,567 individuals grouped in 17 species were reported. Temporally, May presented the greatest number of captures (5,139) and March the least (151). The ANOSIM (p < 0.05%) demonstrated that there is a temporal pattern in the community owing to precipitation, which is associated with changes that are produced in the soil and in the greater availability and composition of the food resource. The results demonstrate the sensitivity of the guild to different levels of anthropogenic disturbance and the direct relationship of precipitation with the assemblage of coprophagous coleopterans in the study area.

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          Most cited references37

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          Métodos para medir la biodiversidad.

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            Biological Diversity: The Coexistence of Species on Changing Landscapes.

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              Seasonal Change in Abundance of Large Nocturnal Dung Beetles (Scarabaeidae) in a Costa Rican Deciduous Forest and Adjacent Horse Pasture

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcen
                Revista Colombiana de Entomología
                Rev. Colomb. Entomol.
                Sociedad Colombiana de Entomología (Bogotá )
                0120-0488
                December 2010
                : 36
                : 2
                : 285-291
                Affiliations
                [1 ] Universidad del Atlántico Colombia
                [2 ] Universidad del Atlántico Colombia
                [3 ] Instituto de Ecología Mexico
                Article
                S0120-04882010000200019
                10.25100/socolen.v36i2.9160
                af2422ed-e62c-478b-af77-118ab7d90a43

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

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                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0120-0488&lng=en
                Categories
                ENTOMOLOGY

                Entomology
                Canthidium,Antropogenic disturbance,Nesting pattern,Intervención antrópica,Patrón de nidificación

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