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PsycheVolume 2012 2012, Article ID 870794, 9 pages

Research ArticleInstituto de Biologia, Universidade Federal de Uberlândia UFU, C.P. 593, 38400-902 Uberlândia, MG, Brazil

Received 17 May 2011; Accepted 28 June 2011

Academic Editor: Jonathan D. Majer

Copyright © 2012 Renata Pacheco and Heraldo L. Vasconcelos. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The use of subterranean traps is a relatively novel method to sample ants, and few studies have evaluated its performance relative to other methods. We collected ants in forests, savannas, and crops in central Brazil using subterranean pitfall traps and conventional pitfall traps placed on the soil surface. Sampling duration, soil depth, and sprinkling vegetal oil around traps all tended to affect the number of species found in subterranean traps. Sixteen percent of the species collected in subterranean traps were unique, and most of these had cryptobiotic morphology i.e., were truly hypogaeic species. Surprisingly, however, subterranean and conventional traps were similarly efficient at capturing cryptobiotic species. Furthermore, subterranean traps captured far fewer species in total than conventional traps 75 versus 220 species, and this was true in all three habitats sampled. Sampling completeness increased very little using a combination of conventional and subterranean traps than using just conventional traps.





Autor: Renata Pacheco and Heraldo L. Vasconcelos

Fuente: https://www.hindawi.com/



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