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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
30/03/2011 |
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Data da última atualização: |
23/02/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
NICKELE, M. A.; OLIVEIRA, E. B. de; REIS FILHO, W.; IEDE, E. T.; RIBEIRO, R. D. |
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Afiliação: |
MARIANE APARECIDA NICKELE, Pós-Graduação UFPR; EDILSON BATISTA DE OLIVEIRA, CNPF; WILSON REIS FILHO, EPAGRI; EDSON TADEU IEDE, CNPF; RODRIGO D RIBEIRO, Turfal Ind e Com de Prod Biol e Agron Ltda. |
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Título: |
Distribuição espacial de formigueiros de Acromyrmex crassispinus (Forel) (Hymenoptera: Formicidae) em plantios de Pinus taeda. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Neotropical Entomology, v. 39, n. 6, p. 862-87 , Nov./Dec. 2010 . |
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Idioma: |
Português |
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Conteúdo: |
The spatial distribution of insects is essential to perform control strategies, to improve sample techniques and to estimate economic losses. We aimed to determine the spatial distribution of nests of Acromyrmex crassispinus (Forel) in Pinus taeda plantations. The experiments were carried out in P. taeda plantations with different ages (treatments: recently-planted, three and six-year old plants). The study took place in Rio Negrinho and in Três Barras, SC. Three plots of one hectare were delimited in each treatment, and plots were divided in 64 sample units. The analysis of the dispersion index [variance/mean relationship (I), index of Morisita (I?) and k exponent of negative binomial distribution] showed that the majority of the samplings presented random distribution. Among the three distributions of probabilities studied: Poisson, positive binomial and negative binomial, the Poisson distribution was the best model to fi t the spatial distribution of A. crassispinus nests in all samplings. The result was a random distribution in the plantings of different ages. |
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Thesagro: |
Formiga; Pinus Taeda. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/31737/1/IEDEv39n6a03.pdf
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Marc: |
LEADER 01699naa a2200193 a 4500
001 1884020
005 2015-02-23
008 2010 bl uuuu u00u1 u #d
100 1 $aNICKELE, M. A.
245 $aDistribuição espacial de formigueiros de Acromyrmex crassispinus (Forel) (Hymenoptera$bFormicidae) em plantios de Pinus taeda.$h[electronic resource]
260 $c2010
520 $aThe spatial distribution of insects is essential to perform control strategies, to improve sample techniques and to estimate economic losses. We aimed to determine the spatial distribution of nests of Acromyrmex crassispinus (Forel) in Pinus taeda plantations. The experiments were carried out in P. taeda plantations with different ages (treatments: recently-planted, three and six-year old plants). The study took place in Rio Negrinho and in Três Barras, SC. Three plots of one hectare were delimited in each treatment, and plots were divided in 64 sample units. The analysis of the dispersion index [variance/mean relationship (I), index of Morisita (I?) and k exponent of negative binomial distribution] showed that the majority of the samplings presented random distribution. Among the three distributions of probabilities studied: Poisson, positive binomial and negative binomial, the Poisson distribution was the best model to fi t the spatial distribution of A. crassispinus nests in all samplings. The result was a random distribution in the plantings of different ages.
650 $aFormiga
650 $aPinus Taeda
700 1 $aOLIVEIRA, E. B. de
700 1 $aREIS FILHO, W.
700 1 $aIEDE, E. T.
700 1 $aRIBEIRO, R. D.
773 $tNeotropical Entomology$gv. 39, n. 6, p. 862-87 , Nov./Dec. 2010 .
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Embrapa Florestas (CNPF) |
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