Termite (Isoptera) assemblages in some regions of the Goias state, Brazil

  • da Cunha H
  • Costa D
  • Brandao D
  • 7

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Abstract

Termites are the dominant fauna in tropical soils, having an important role in nutrient cycling processes and soil formation. They area dominant component of the Cerrado fauna, reaching high densities in some areas. Quantitative and qualitative assessment of the termite assemblages were carried out in natural (Riparian Forests, Mesophytic Interfluvial Forest, Cerrado and "Cerradao") and impacted areas (pastures and plantations of sugar cane, banana, Eucalyptus trees, Bahia-coconut and Guariroba) in eleven municipalities of the Goias state in Brazil. In each environment, 8 quadrats of 25 m(2) were studied. The quadrats were located 50 in apart from the habitat edge and 30 m between each other. Seventy-seven species belonging to the Families Rhinotermitidae (Subfamilies Coptotermitinae, Rhinotermitinae and Heterotermitinae) and Termitidae (Subfamilies Apicotermitinae, Nasutitermitinae and Termitinae) were collected. The species with the highest number of colonies were Anoplotermes sp. 4 (68), Anoplotermes sp. 2 (57), Nasutitermes kemneri (46) and Ruptitermes sp. (34). Anoplotermes sp. 4 and N. kemneri were found in 10 of the 11 sampled municipalities while Anoplotermes sp. 2 was found in all of them. All the sampled localities have high equitability ranging form 0.85 to 0.94 because all the species were registered once or twice. Most of the species found feed upon decomposing organic matter and/or are litter foragers. Of the 77 species sampled, we were not able to identify 26 (designed as morphospecies). Some of them might be new species. [References: 40]

Author-supplied keywords

  • Abundance
  • Biodiversity
  • Cerrado
  • Diversity
  • Forest
  • Key.
  • Nasutitermitinae
  • Soldiers

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Authors

  • H F da Cunha

  • D A Costa

  • D Brandao

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