Abstract
<p><strong></strong>Characterization of the species present in a given locality by means of biological inventories provides information about diversity, even if it is done in disturbed environments such as open dumps, which are considered a threat for health due to the accumulation of heavy metals that are well known for their negative effects on human health and the environment. <strong>Objectives</strong>. To carry out a preliminary characterization of arthropods and non-flying small mammals in the <em>Morro de Moravia</em> open dump, and to determine the heavy metal contents in animal tissue samples. <strong>Materials and Methods. </strong>Arthropods were collected with pitfall traps and manually. Rodents were captured with Sherman traps. The heavy metal analysis was carried out with atomic spectroscopy. <strong>Results</strong>. A total of 9 orders, 51 families and 75 morphospecies of insects, 5 families of spiders, two syrphid and a millipede species were identified; <em>Mus musculus</em> was the only small mammal species identified. Heavy metal analysis showed various concentrations mainly of Pb and Cd. The highest content of Pb (45.05 mg/kg) was found in samples of <em>M. musculus</em> and the highest Cd content (10.31 mg/kg) was found in spiders of the family Gasteracantha. <strong>Conclusions</strong>. The <em>Morro de Moravia</em> open dump provides conditions that allow the establishment of an arthropod community with various diets and niches. The transference of heavy metals from the residue matrix towards higher levels of the trophic chain was corroborated.</p> <p><strong>Key words:</strong> arthropods, biological inventories, cadmium, <em>Mus musculus, </em>lead</p><br />
Highlights
Estudo preliminar da fauna no monte de lixo da Moravia e presença de metais pesados em artrópodes e roedores A caracterização das espécies presentes num determinado local através de inventários biológicos, fornece informação sobre sua diversidade, mesmo quando é realizada em ambientes como os lixos a céu aberto, locais considerados como uma ameaça para a saúde, devido a que freqüentemente acumulam metais pesados, reconhecidos como um risco para a saúde e o meio ambiente
Dentro del inventario de fauna, el grupo de los artrópodos y el de pequeños mamíferos no voladores han sido considerados como bioindicadores de diversos parámetros, entre ellos el grado de polución o de intervención antropogénica
De acuerdo a los resultados obtenidos en el estudio de la zona (8), la matriz de residuos (MR) contiene altas concentraciones de metales pesados (Hg, Pb, Cr, Cd y Ni), excediendo por una amplio rango los límites permitidos en las normatividades Colombiana (9) y Europea (10)
Summary
La caracterización de las especies presentes en un sitio determinado a través de inventarios biológicos, brinda información sobre su diversidad, incluso cuando es realizado en ambientes intervenidos como los basureros a cielo abierto, lugares considerados como una amenaza para la salud, dado que allí suelen acumularse metales pesados, reconocidos como riesgo para la salud y el ambiente. Realizar la caracterización preliminar de artrópodos y pequeños mamíferos no voladores del morro de basuras de Moravia, así como la determinación de metales pesados en muestras de tejido animal. El análisis de metales pesados en tejido animal se realizó mediante espectroscopia atómica. El morro de Moravia presenta condiciones que permiten el establecimiento de una comunidad de artrópodos con diversas dietas y nichos.
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