Journal
SOCIOBIOLOGY
Volume 66, Issue 3, Pages 440-447Publisher
UNIV ESTADUAL FEIRA SANTANA
DOI: 10.13102/sociobiology.v66i3.4264
Keywords
Biodiversity management; human-dominated landscape; urban ecosystem; native species
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The role of urban ecosystems in maintaining biodiversity and ecosystem services is highly variable because of the heterogeneity of habitats in human-used landscapes. We analyzed ant diversity in a sub-montane and sub-tropical urban area of northeastern Mexico to determine the conservation value of this cityscape. Ants were collected in 16 sites (each located at a 1 Km(2) quadrat) across the cityscape, including spaces at the periphery and urban center, during the rainy season (August to October) of 2015. To capture ants, in each site eight pitfall traps, with for different baiting treatments were installed along a 100-m transect, and hand collections were performed. In total, 7,415 ant workers belonging to 32 species, 23 genera, 11 tribes, and 5 sub-families were collected. The richness and structure of the assemblages varied among the sampling sites. The compositional similarity also varied significantly among sampling sites, and unique species were found in four sites. Each site showed an important and particular ant assemblage that differed from that of the other sites and the surrounding habitats in the cityscape. The results suggest that some sampling sites in the studied cityscape may contribute to the conservation of certain ant groups and invertebrate communities threatened by urban intensification. Ultimately, our findings support the importance of conserved areas and green spaces for the conservation of native species in and near urban areas.
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