Density and spatial distribution of Atta sexdens rubropilosa and Atta laevigata colonies (Hym., Formicidae) in Eucalyptus spp. forests

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dc.contributor.authorRamos, Vania M. [UNESP]
dc.contributor.authorForti, Luiz C.
dc.contributor.authorAndrade, Ana Paula P.
dc.contributor.authorNoronha, Newton C.
dc.contributor.authorCamargo, Roberto Da Silva
dc.contributor.institutionUniversidade do Oeste Paulista (UNOESTE)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:30:52Z
dc.date.available2014-05-20T15:30:52Z
dc.date.issued2008-01-01
dc.description.abstractThe present study determined the density and spatial distribution of nests of the leaf-cutting ants Atta sexdens rubropilosa and A laevigata in an area of Eucalyptus spp. forest. The research was accomplished between 05/2000 and 11/2001, on a farm located in Botucatu, SP, inside Area 19, with approximately 56,000 m(2), without a history of control for at least 3 years. The operation was accomplished by theodolite. The collected data facilitated the making of a working area map, containing the exact location of all the nests. For each one of the nests, its identification, codification, measurements and location in relation to the closest border of the area were also obtained. The density of nests found in the study area was 10 nests/ha, considering the two species present. The data obtained also demonstrated the tendency of the nests to concentrate in strips located closer to the borders of the area. Regression analysis revealed the existence of a negative correlation between distance from the borders and the number of colonies. Analysis of spatial distribution of colonies in the area also showed that the distribution is aggregated, being adjusted to a model of a negative binomial distribution. The results showed that spatial distribution of colonies in the studied area was concentrated in the strips closer to the borders of the area, which would allow, in this case, good pest control efficiency without the need of traversing the total area.en
dc.description.affiliationUNOESTE Univ Oeste Paulista, Fac Ciencias Agr, BR-19067175 Presidente Prudente, SP, Brazil
dc.description.affiliationUNESP, FCA, Lab Insetos Sociais Praga, BR-18610307 Botucatu, SP, Brazil
dc.description.affiliationUnespUNESP, FCA, Lab Insetos Sociais Praga, BR-18610307 Botucatu, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipATTA KILL Ltd
dc.description.sponsorshipIdCNPq: 301167/203-6
dc.format.extent775-781
dc.identifier.citationSociobiology. Chico: California State Univ, v. 51, n. 3, p. 775-781, 2008.
dc.identifier.issn0361-6525
dc.identifier.urihttp://hdl.handle.net/11449/40168
dc.identifier.wosWOS:000259160800021
dc.language.isoeng
dc.publisherCalifornia State University
dc.relation.ispartofSociobiology
dc.relation.ispartofjcr0.604
dc.relation.ispartofsjr0,396
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectleaf-cutting antsen
dc.subjectforest managementen
dc.subjectchemical controlen
dc.subjectspatial distributionen
dc.titleDensity and spatial distribution of Atta sexdens rubropilosa and Atta laevigata colonies (Hym., Formicidae) in Eucalyptus spp. forestsen
dc.typeArtigo
dcterms.licensehttp://www.csuchico.edu/biol/Sociobiology/sociobiologyindex.html
dcterms.rightsHolderCalifornia State Univ

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