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Campo DC | Valor | Idioma |
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dc.contributor.author | Oliveira, Pollyana Yvonica de | - |
dc.contributor.author | Souza, Jorge Luiz Pereira | - |
dc.contributor.author | Baccaro, Fabricio Beggiato | - |
dc.contributor.author | Franklin, E. | - |
dc.date.accessioned | 2020-05-07T14:06:26Z | - |
dc.date.available | 2020-05-07T14:06:26Z | - |
dc.date.issued | 2009 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/15131 | - |
dc.description.abstract | In Amazonia, topographical variations in soil and forest structure within "terra-firme" ecosystems are important factors correlated with terrestrial invertebrates' distribution. The objective of this work was to assess the effects of soil clay content and slope on ant species distribution over a 25 km2 grid covering the natural topographic continuum. Using three complementary sampling methods (sardine baits, pitfall traps and litter samples extracted in Winkler sacks), 300 subsamples of each method were taken in 30 plots distributed over a wet tropical forest in the Ducke Reserve (Manaus, AM, Brazil). An amount of 26,814 individuals from 11 subfamilies, 54 genera, 85 species and 152 morphospecies was recorded (Pheidole represented 37% of all morphospecies). The genus Eurhopalothrix was registered for the first time for the reserve. Species number was not correlated with slope or clay content, except for the species sampled from litter. However, the Principal Coordinate Analysis indicated that the main pattern of species composition from pitfall and litter samples was related to clay content. Almost half of the species were found only in valleys or only on plateaus, which suggests that most of them are habitat specialists. In Central Amazonia, soil texture is usually correlated with vegetation structure and moisture content, creating different microhabitats, which probably account for the observed differences in ant community structure. | en |
dc.language.iso | pt_BR | pt_BR |
dc.relation.ispartof | Volume 44, Número 8, Pags. 852-860 | pt_BR |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/br/ | * |
dc.subject | Eurhopalothrix | en |
dc.subject | Formicidae | en |
dc.subject | Invertebrata | en |
dc.subject | Pheidole | en |
dc.title | Ant species distribution along a topographic gradient in a "terra-firme" forest reserve in Central Amazonia | pt_BR |
dc.title.alternative | Distribuição de espécies de formigas ao longo de um gradiente topográfico em uma reserva florestal de terra firme na Amazônia central | pt_BR |
dc.type | Artigo | pt_BR |
dc.identifier.doi | 10.1590/S0100-204X2009000800008 | - |
dc.publisher.journal | Pesquisa Agropecuaria Brasileira | pt_BR |
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