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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
05/07/2022 |
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Data da última atualização: |
05/07/2022 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
BESSA, R. T.; MESQUITA, A. L. M.; MOTA, M. do S. C. de S.; CORREIA, D.; SOUSA, J. A. de. |
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Afiliação: |
REBECCA TAVARES BESSA, Graduanda em Agronomia ? UFC; ANTONIO LINDEMBERG MARTINS MESQUITA, CNPAT; MARIA DO SOCORRO C DE SOUZA MOTA, CNPAT; DIVA CORREIA, CNPAT; JOAO ALENCAR DE SOUSA, CNPAT. |
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Título: |
Inimigos naturais de insetos fitófagos associados às espécies florestais angico e aroeira. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
In: SEABRA, G. (Org.). Educação ambiental: uso, manejo e gestão dos recursos naturais. Itaiutaba: Barlavento, 2022. |
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Páginas: |
p. 163-174. |
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Idioma: |
Português |
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Conteúdo: |
Este trabalho teve por objetivo realizar um inventário dos inimigos naturais de insetos fitófagos associados às espécies florestais angico (Anadenanthera colubrina var. cebil) e aroeira (Myracrodruon urundeuva). O inventário foi feito por meio de uma revisão bibliográfica e de levantamentos realizados em área experimental da Embrapa Agroindústria Tropical com as espécies florestais citadas. Em angico, os inimigos naturais associados às coleobrocas da família Cerambycidae são parasitoides da ordem Hymenoptera, e predadores das ordens Dermaptera e Coleoptera e da família Formicidae. Os inimigos naturais da cochonilha Saissetia sp. são predadores das ordens Coleoptera e Hymenoptera. Os inimigos naturais associados ao psilídeo constatado em aroeira são predadores das famílias Coccinellidae e Chrysopidae. Os lepidópteros desfolhadores de aroeira são controlados, principalmente, por percevejos da família Pentatomidae, sobretudo do gênero Podisus, da subfamília Asopinae. A identificação e conservação de inimigos naturais que contribuem para a manutenção do equilíbrio populacional dos insetos fitófagos em agroecossistemas e florestas plantadas são aspectos essenciais para o manejo integrado de pragas (MIP). |
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Palavras-Chave: |
Anadenanthra colubrina. |
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Thesagro: |
Inseto Para Controle Biológico; Myracrodruon Urundeuva; Praga de Planta. |
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Thesaurus Nal: |
Biological control; Pests. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1144480/1/CNEA-2022-Inimigos-naturais-angico-aroeira.pdf
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Marc: |
LEADER 02085naa a2200253 a 4500
001 2144480
005 2022-07-05
008 2022 bl uuuu u00u1 u #d
100 1 $aBESSA, R. T.
245 $aInimigos naturais de insetos fitófagos associados às espécies florestais angico e aroeira.$h[electronic resource]
260 $c2022
300 $ap. 163-174.
520 $aEste trabalho teve por objetivo realizar um inventário dos inimigos naturais de insetos fitófagos associados às espécies florestais angico (Anadenanthera colubrina var. cebil) e aroeira (Myracrodruon urundeuva). O inventário foi feito por meio de uma revisão bibliográfica e de levantamentos realizados em área experimental da Embrapa Agroindústria Tropical com as espécies florestais citadas. Em angico, os inimigos naturais associados às coleobrocas da família Cerambycidae são parasitoides da ordem Hymenoptera, e predadores das ordens Dermaptera e Coleoptera e da família Formicidae. Os inimigos naturais da cochonilha Saissetia sp. são predadores das ordens Coleoptera e Hymenoptera. Os inimigos naturais associados ao psilídeo constatado em aroeira são predadores das famílias Coccinellidae e Chrysopidae. Os lepidópteros desfolhadores de aroeira são controlados, principalmente, por percevejos da família Pentatomidae, sobretudo do gênero Podisus, da subfamília Asopinae. A identificação e conservação de inimigos naturais que contribuem para a manutenção do equilíbrio populacional dos insetos fitófagos em agroecossistemas e florestas plantadas são aspectos essenciais para o manejo integrado de pragas (MIP).
650 $aBiological control
650 $aPests
650 $aInseto Para Controle Biológico
650 $aMyracrodruon Urundeuva
650 $aPraga de Planta
653 $aAnadenanthra colubrina
700 1 $aMESQUITA, A. L. M.
700 1 $aMOTA, M. do S. C. de S.
700 1 $aCORREIA, D.
700 1 $aSOUSA, J. A. de
773 $tIn: SEABRA, G. (Org.). Educação ambiental: uso, manejo e gestão dos recursos naturais. Itaiutaba: Barlavento, 2022.
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Registro original: |
Embrapa Agroindústria Tropical (CNPAT) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
04/10/2023 |
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Data da última atualização: |
15/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
MULLER, M. D.; BORGES, C. A. V.; RESENDE, L. de O.; MARTINS, C. E. |
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Afiliação: |
MARCELO DIAS MULLER, CNPGL; CRISTIANO AMANCIO VIEIRA BORGES, CNPGL; LEONARDO DE OLIVEIRA RESENDE, ESCAS-ESCOLA SUPERIOR DE CONSERVAÇÃO AMBIENTAL E SUSTENTABILIDADE; CARLOS EUGENIO MARTINS, CNPGL. |
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Título: |
Estimating volume of eucalyptus trees for small-scale silvopastoral systems: do we really need height for accurate estimates? |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
European Journal of Forest Research, v. 143, p. 81-94, 2024. |
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DOI: |
https://doi.org/10.1007/s10342-023-01608-2 |
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Idioma: |
Inglês |
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Conteúdo: |
Double-entry volume equations require measurement of diameter and height variables, making forest inventory more expensive. This can be limiting for small farms. Then the single-entry volume equations, where diameter at breast height (DBH) is the independent variable, are a cost-efective option for these landowners because they optimize data collection due to the use of one readily available variable (the DBH) and require few resources. The objective of this study was to evaluate the efective contribution of the height in the estimation of eucalypt trees volume for small-scale silvopastoral systems. For this, four single-entry and fve double-entry volumetric models were ftted to the data for six diferent silvopastoral systems in Coronel Pacheco, Minas Gerais State, Brazil. The six strata consisted of combinations of three diferent Eucalyptus genetic material and three silvopastoral systems, and the models were compared aiming the selection of the best of each type in each system. Double-entry models, specifcally logarithmic Spurr and logarithmic Schumacher?Hall, ftted better than single-entry ones for all but one of the strata, where they were overcome by the Husch?s model. Although the superiority of the formers can have been easily verifed by diferent and complementary statistics, we found that the volume estimates provided by the best double-entry and the best single-entry model of each stratum difered by a quantity that can be considered irrisory, from both practical and monetary points of view. On a per tree basis, the sum of the diferences for each stratum, in absolute value, did not surpass 0.051 m3 , or only US$ 0.25, considering a market value of US$ 4.90/m3 . And when simulating a real scenario of batch sales for each stratum, by simple extrapolation of the mean volume and considering their efective tree stand, such diferences did not exceed±0.25 m3 /ha, or±US$ 1.20/ha. Following the same logic, even when comparing the best doubleentry model to the worst single-entry one for each stratum, we still observed only negligible diferences. Considering the sampled trees, these diferences amounted to a balance per stratum of only?0.015 to+0.032 m3 (or between?US$ 0.07 and+US$ 0.16). When extrapolated to the total trees in each stratum, the overall balance did not exceed an absolute value of 0.283 m3 (or US$1.39). These results suggest that the contribution of height may be negligible in estimating the volume of eucalyptus trees for small silvopastoral systems. Consequently, smallholders may not beneft from measuring tree heights. Rather, they may save money by foregoing a comprehensive forest inventory and instead using single-entry models, such as the Husch model, to estimate the wood volume of their forest stands. Another highlight or reinforcement of this work is that the use of the Furnival index was crucial for a reliable selection of the best models, once it allows for comparisons among models both with and without a log transformation of the volume. MenosDouble-entry volume equations require measurement of diameter and height variables, making forest inventory more expensive. This can be limiting for small farms. Then the single-entry volume equations, where diameter at breast height (DBH) is the independent variable, are a cost-efective option for these landowners because they optimize data collection due to the use of one readily available variable (the DBH) and require few resources. The objective of this study was to evaluate the efective contribution of the height in the estimation of eucalypt trees volume for small-scale silvopastoral systems. For this, four single-entry and fve double-entry volumetric models were ftted to the data for six diferent silvopastoral systems in Coronel Pacheco, Minas Gerais State, Brazil. The six strata consisted of combinations of three diferent Eucalyptus genetic material and three silvopastoral systems, and the models were compared aiming the selection of the best of each type in each system. Double-entry models, specifcally logarithmic Spurr and logarithmic Schumacher?Hall, ftted better than single-entry ones for all but one of the strata, where they were overcome by the Husch?s model. Although the superiority of the formers can have been easily verifed by diferent and complementary statistics, we found that the volume estimates provided by the best double-entry and the best single-entry model of each stratum difered by a quantity that can be considered irrisory, from both practical and... Mostrar Tudo |
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Palavras-Chave: |
Agrosilvopastoral systems; Crop-livestock-forestry systems; Sistema agrossilvipastoril; Sustainable farming systems. |
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Thesagro: |
Sistema de Cultivo. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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Marc: |
LEADER 03820naa a2200229 a 4500
001 2157074
005 2024-02-15
008 2024 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s10342-023-01608-2$2DOI
100 1 $aMULLER, M. D.
245 $aEstimating volume of eucalyptus trees for small-scale silvopastoral systems$bdo we really need height for accurate estimates?$h[electronic resource]
260 $c2024
520 $aDouble-entry volume equations require measurement of diameter and height variables, making forest inventory more expensive. This can be limiting for small farms. Then the single-entry volume equations, where diameter at breast height (DBH) is the independent variable, are a cost-efective option for these landowners because they optimize data collection due to the use of one readily available variable (the DBH) and require few resources. The objective of this study was to evaluate the efective contribution of the height in the estimation of eucalypt trees volume for small-scale silvopastoral systems. For this, four single-entry and fve double-entry volumetric models were ftted to the data for six diferent silvopastoral systems in Coronel Pacheco, Minas Gerais State, Brazil. The six strata consisted of combinations of three diferent Eucalyptus genetic material and three silvopastoral systems, and the models were compared aiming the selection of the best of each type in each system. Double-entry models, specifcally logarithmic Spurr and logarithmic Schumacher?Hall, ftted better than single-entry ones for all but one of the strata, where they were overcome by the Husch?s model. Although the superiority of the formers can have been easily verifed by diferent and complementary statistics, we found that the volume estimates provided by the best double-entry and the best single-entry model of each stratum difered by a quantity that can be considered irrisory, from both practical and monetary points of view. On a per tree basis, the sum of the diferences for each stratum, in absolute value, did not surpass 0.051 m3 , or only US$ 0.25, considering a market value of US$ 4.90/m3 . And when simulating a real scenario of batch sales for each stratum, by simple extrapolation of the mean volume and considering their efective tree stand, such diferences did not exceed±0.25 m3 /ha, or±US$ 1.20/ha. Following the same logic, even when comparing the best doubleentry model to the worst single-entry one for each stratum, we still observed only negligible diferences. Considering the sampled trees, these diferences amounted to a balance per stratum of only?0.015 to+0.032 m3 (or between?US$ 0.07 and+US$ 0.16). When extrapolated to the total trees in each stratum, the overall balance did not exceed an absolute value of 0.283 m3 (or US$1.39). These results suggest that the contribution of height may be negligible in estimating the volume of eucalyptus trees for small silvopastoral systems. Consequently, smallholders may not beneft from measuring tree heights. Rather, they may save money by foregoing a comprehensive forest inventory and instead using single-entry models, such as the Husch model, to estimate the wood volume of their forest stands. Another highlight or reinforcement of this work is that the use of the Furnival index was crucial for a reliable selection of the best models, once it allows for comparisons among models both with and without a log transformation of the volume.
650 $aSistema de Cultivo
653 $aAgrosilvopastoral systems
653 $aCrop-livestock-forestry systems
653 $aSistema agrossilvipastoril
653 $aSustainable farming systems
700 1 $aBORGES, C. A. V.
700 1 $aRESENDE, L. de O.
700 1 $aMARTINS, C. E.
773 $tEuropean Journal of Forest Research$gv. 143, p. 81-94, 2024.
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