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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
04/02/2016 |
Data da última atualização: |
26/02/2016 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CAMARGO, N. F. de; CAMARGO, W. R. F. de; CORREA, D. do C. V.; CAMARGO, A. J. A. de; VIEIRA, E. M. |
Afiliação: |
NICHOLAS F. DE CAMARGO; WILLIAM R. F. DE CAMARGO, CPAC; DANILO DO C. V. CORRÊA, IBAMA; AMABILIO JOSE AIRES DE CAMARGO, CPAC; EMERSON M. VIEIRA, UNB. |
Título: |
Adult feeding moths (Sphingidae) differ from non-adult feeding ones (Saturniidae) in activity-timing overlap and temporal niche width. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Oecologia, New York, v. 180, n. 2, p. 313-324, 2016. |
Idioma: |
Inglês |
Conteúdo: |
Abstract According to classic ecology, resource partitioning by segregation along at least one of the three main niche axes (time, food, and space) must take place for the coexistence of species with similar ecological requirements. We used nocturnal light traps to investigate the assemblage structuration of two moth families: Sphingidae (23 species) and Saturniidae (13 species). Because competition for food among adults potentially occurs only among sphingids, only for this family did we expect less overlap of diel activity patterns than expected by chance and also a greater temporal niche width compared to saturniids. Moreover, we expected a greater number of sphingid species pairs to differ in activity timing compared to saturniid pairs. We also hypothesized that in the case of a lack of temporal structuration, sphingids would be morphologically structured in relation to proboscis length. Contrary to what we expected, both families overlapped their activity patterns more than expected by chance alone and sphingid moths were not morphologically structured. Nevertheless, there were 173 significant pairwise differences in temporal activity between sphingids, contrasting with no interspecific differences between saturniids. Sphingid species also showed a wider temporal niche width than saturniids, as expected. Predation risk and abiotic factors may have caused the overall similarities in activity patterns for both families. The temporal niche seemed not to be determinant for the assemblage structuration of moths as a whole for either of the studied families, but segregation along the temporal niche axis of some potentially competing species pairs can be a relevant factor for the coexistence of nectarfeeding species. MenosAbstract According to classic ecology, resource partitioning by segregation along at least one of the three main niche axes (time, food, and space) must take place for the coexistence of species with similar ecological requirements. We used nocturnal light traps to investigate the assemblage structuration of two moth families: Sphingidae (23 species) and Saturniidae (13 species). Because competition for food among adults potentially occurs only among sphingids, only for this family did we expect less overlap of diel activity patterns than expected by chance and also a greater temporal niche width compared to saturniids. Moreover, we expected a greater number of sphingid species pairs to differ in activity timing compared to saturniid pairs. We also hypothesized that in the case of a lack of temporal structuration, sphingids would be morphologically structured in relation to proboscis length. Contrary to what we expected, both families overlapped their activity patterns more than expected by chance alone and sphingid moths were not morphologically structured. Nevertheless, there were 173 significant pairwise differences in temporal activity between sphingids, contrasting with no interspecific differences between saturniids. Sphingid species also showed a wider temporal niche width than saturniids, as expected. Predation risk and abiotic factors may have caused the overall similarities in activity patterns for both families. The temporal niche seemed not to be determinant for ... Mostrar Tudo |
Palavras-Chave: |
Cronobiologia. |
Thesagro: |
Competição biológica; Lepidoptero; Praga de planta; Traça. |
Thesaurus Nal: |
Ecological competition; Moths; Plant pests; Predation; Saturniidae; Sphingidae. |
Categoria do assunto: |
O Insetos e Entomologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/138466/1/Amabilio-OECOLOGIA-Padroes-Atividade.pdf
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Marc: |
LEADER 02621naa a2200301 a 4500 001 2036152 005 2016-02-26 008 2016 bl uuuu u00u1 u #d 100 1 $aCAMARGO, N. F. de 245 $aAdult feeding moths (Sphingidae) differ from non-adult feeding ones (Saturniidae) in activity-timing overlap and temporal niche width. 260 $c2016 520 $aAbstract According to classic ecology, resource partitioning by segregation along at least one of the three main niche axes (time, food, and space) must take place for the coexistence of species with similar ecological requirements. We used nocturnal light traps to investigate the assemblage structuration of two moth families: Sphingidae (23 species) and Saturniidae (13 species). Because competition for food among adults potentially occurs only among sphingids, only for this family did we expect less overlap of diel activity patterns than expected by chance and also a greater temporal niche width compared to saturniids. Moreover, we expected a greater number of sphingid species pairs to differ in activity timing compared to saturniid pairs. We also hypothesized that in the case of a lack of temporal structuration, sphingids would be morphologically structured in relation to proboscis length. Contrary to what we expected, both families overlapped their activity patterns more than expected by chance alone and sphingid moths were not morphologically structured. Nevertheless, there were 173 significant pairwise differences in temporal activity between sphingids, contrasting with no interspecific differences between saturniids. Sphingid species also showed a wider temporal niche width than saturniids, as expected. Predation risk and abiotic factors may have caused the overall similarities in activity patterns for both families. The temporal niche seemed not to be determinant for the assemblage structuration of moths as a whole for either of the studied families, but segregation along the temporal niche axis of some potentially competing species pairs can be a relevant factor for the coexistence of nectarfeeding species. 650 $aEcological competition 650 $aMoths 650 $aPlant pests 650 $aPredation 650 $aSaturniidae 650 $aSphingidae 650 $aCompetição biológica 650 $aLepidoptero 650 $aPraga de planta 650 $aTraça 653 $aCronobiologia 700 1 $aCAMARGO, W. R. F. de 700 1 $aCORREA, D. do C. V. 700 1 $aCAMARGO, A. J. A. de 700 1 $aVIEIRA, E. M. 773 $tOecologia, New York$gv. 180, n. 2, p. 313-324, 2016.
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Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
24/01/2005 |
Data da última atualização: |
08/03/2010 |
Autoria: |
COSTA, M. C. G.; MAZZA, J. A.; VITTI, G. C.; JORGE, L. A. DE C.; FERNANDES, M. M. |
Título: |
Distribuição de raízes das soqueiras de duas variedades de cana-de-açúcar em solos com características físicas contrastantes. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
In: FERTBIO, Lages, 2004. Anais... Lages, 2004. |
Idioma: |
Português |
Conteúdo: |
Atualmente existem diversas variedades de cana-de-açúcar desenvolvidas pela pesquisa e cuja escolha é indicada de acordo com as características da região em que será feito o cultivo e de acordo com as necessidades da unidade produtora. A possibilidade de existirem diferenças genotípicas relacionadas ao sistema radicular da planta deve ser melhor explorada na busca de variedades que apresentem maior eficiência na absorção de água e nutrientes do solo.
Comparando as variedades de cana-de-açúcar RB835486 e RB835089, Gomes (2003) constatou que a média de produtividade de três cortes da RB835089 cultivada em um Nitossolo Vermelho Eutroférrico latossólico (NV) foi aproximadamente 20 toneladas mais elevada em relação à RB835486. Entretanto, quando cultivada em um Latossolo Vermelho-Amarelo Distrófico psamítico (L V A), a RB835089 produziu aproximadamente 10 toneladas a menos em relação à RB 835486. |
Palavras-Chave: |
Cana-de-açúcar; Raízes. |
Thesagro: |
Sistema Radicular. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01553naa a2200205 a 4500 001 1028772 005 2010-03-08 008 2004 bl --- 0-- u #d 100 1 $aCOSTA, M. C. G. 245 $aDistribuição de raízes das soqueiras de duas variedades de cana-de-açúcar em solos com características físicas contrastantes. 260 $c2004 520 $aAtualmente existem diversas variedades de cana-de-açúcar desenvolvidas pela pesquisa e cuja escolha é indicada de acordo com as características da região em que será feito o cultivo e de acordo com as necessidades da unidade produtora. A possibilidade de existirem diferenças genotípicas relacionadas ao sistema radicular da planta deve ser melhor explorada na busca de variedades que apresentem maior eficiência na absorção de água e nutrientes do solo. Comparando as variedades de cana-de-açúcar RB835486 e RB835089, Gomes (2003) constatou que a média de produtividade de três cortes da RB835089 cultivada em um Nitossolo Vermelho Eutroférrico latossólico (NV) foi aproximadamente 20 toneladas mais elevada em relação à RB835486. Entretanto, quando cultivada em um Latossolo Vermelho-Amarelo Distrófico psamítico (L V A), a RB835089 produziu aproximadamente 10 toneladas a menos em relação à RB 835486. 650 $aSistema Radicular 653 $aCana-de-açúcar 653 $aRaízes 700 1 $aMAZZA, J. A. 700 1 $aVITTI, G. C. 700 1 $aJORGE, L. A. DE C. 700 1 $aFERNANDES, M. M. 773 $tIn: FERTBIO, Lages, 2004. Anais... Lages, 2004.
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