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metadata.artigo.dc.title: Can ants be used as indicators of environmental impacts caused by arsenic?
metadata.artigo.dc.creator: Ribas, Carla Rodrigues
Solar, Ricardo R. C.
Campos, Renata B. F.
Schmidt, Fernando A.
Valentim, Clarisse L.
Schoereder, José H.
metadata.artigo.dc.subject: Solos - Poluição – Indicadores biológicos
Soil pollution – Indicators (Biology)
metadata.artigo.dc.publisher: Springer Jun-2012
metadata.artigo.dc.identifier.citation: RIBAS, C. R. et al. Can ants be used as indicators of environmental impacts caused by arsenic? Journal of Insect Conservation, Dordrecht, v. 16, n. 3, p. 413-421, June 2012.
metadata.artigo.dc.description.abstract: We evaluated ants as bioindicators of environmental impacts caused by arsenic residuals in the soil. We tested the hypotheses that the presence of arsenic in the soil affects: (1) estimates of resources and habitat condition for arboreal and epigaeic ants; (2) species richness of arboreal and epigaeic ants and (3) arboreal and epigaeic ant species composition. Ants were sampled at an inactivated raticide factory in Nova Lima, Minas Gerais, Brasil, which used arsenic as one of its main byproducts. The following environmental variables were measured: bioavailable arsenic concentration in the soil, the number and density of tree species, plant cover and leaf litter depth. The species richness of arboreal ants decreased with increased bioavailable arsenic concentration whilst epigaeic ants increased with arsenic. Arboreal ants were positively related to the number of tree species, which in turn were negatively affected by arsenic. We verified which ants are good bioindicators of arsenic. Independent verification of the influence of arsenic on background environmental variables was fundamental in defining responses of ant communities, as well as in identifying the most effective pathways for the recovery of biological communities in degraded areas.
metadata.artigo.dc.language: en_US
Appears in Collections:DBI - Artigos publicados em periódicos

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