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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
02/01/2019 |
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Data da última atualização: |
25/02/2019 |
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Autoria: |
COSENZA, D. N.; SOARES, V. P.; LEITE, H. G.; GLERIANI, J. M.; AMARAL, C. H. do; GRIPP JÚNIOR, J.; SILVA, A A. L. da; SOARES, P.; TOMÉ, M. |
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Afiliação: |
Diogo Nepomuceno Cosenza, Universidade de Lisboa/Instituto Superior de Agronomia/Centro de Estudos Florestais; Vicente Paulo Soares, Universidade Federal de Viçosa - UFV/Departamento de Engenharia Florestal; Helio Garcia Leite, Universidade Federal de Viçosa - UFV/Departamento de Engenharia Florestal; José Marinaldo Gleriani, Universidade Federal de Viçosa - UFV/Departamento de Engenharia Florestal; Cibele Hummel do Amaral, Universidade Federal de Viçosa - UFV/Departamento de Engenharia Florestal; Joel Gripp Júnior, Universidade Federal de Viçosa - UFV/Departamento de Engenharia Civil; Antonilmar Araújo Lopes da Silva, Celulose Nipo-Brasileira S/A.; Paula Soares, Universidade de Lisboa/Instituto Superior de Agronomia/Centro de Estudos Florestais; Margarida Tomé, Universidade de Lisboa/Instituto Superior de Agronomia/Centro de Estudos Florestais. |
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Título: |
Airborne laser scanning applied to eucalyptus stand inventory at individual tree level. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, n. 12, p. 1373-1382, Dez. 2018. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Escaneamento a laser aerotransportado aplicado a inventário de povoamentos de eucalipto ao nível de árvores individuais. |
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Conteúdo: |
The objective of this work was to evaluate the application of airborne laser scanning (ALS) to a large-scale eucalyptus stand inventory by the method of individual trees, as well as to propose a new method to estimate tree diameter as a function of the height obtained from point clouds. The study was carried out in a forest area of 1,681 ha, consisting of eight eucalyptus stands with ages varying from four to seven years. After scanning, tree heights were obtained using the local maxima algorithm, and total wood stock by summing up individual volumes. To determine tree diameters, regressions fit using data measured in the inventory plots were used. The results were compared with the estimates obtained from field sampling. The equation system proposed is adequate to be applied to the tree height data derived from ALS point clouds. The tree individualization approach by local maxima filters is efficient to estimate number of trees and wood stock from ALS data, as long as the results are previously calibrated with field data. |
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Palavras-Chave: |
Forest measurement; Laser scanners; Mensuração florestal; Varredura a laser. |
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Thesaurus Nal: |
Lidar. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/189612/1/Airborne-laser-scanning-applied-to-eucalyptus.pdf
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Marc: |
LEADER 02030naa a2200289 a 4500
001 2102832
005 2019-02-25
008 2018 bl uuuu u00u1 u #d
100 1 $aCOSENZA, D. N.
245 $aAirborne laser scanning applied to eucalyptus stand inventory at individual tree level.$h[electronic resource]
260 $c2018
500 $aTítulo em português: Escaneamento a laser aerotransportado aplicado a inventário de povoamentos de eucalipto ao nível de árvores individuais.
520 $aThe objective of this work was to evaluate the application of airborne laser scanning (ALS) to a large-scale eucalyptus stand inventory by the method of individual trees, as well as to propose a new method to estimate tree diameter as a function of the height obtained from point clouds. The study was carried out in a forest area of 1,681 ha, consisting of eight eucalyptus stands with ages varying from four to seven years. After scanning, tree heights were obtained using the local maxima algorithm, and total wood stock by summing up individual volumes. To determine tree diameters, regressions fit using data measured in the inventory plots were used. The results were compared with the estimates obtained from field sampling. The equation system proposed is adequate to be applied to the tree height data derived from ALS point clouds. The tree individualization approach by local maxima filters is efficient to estimate number of trees and wood stock from ALS data, as long as the results are previously calibrated with field data.
650 $aLidar
653 $aForest measurement
653 $aLaser scanners
653 $aMensuração florestal
653 $aVarredura a laser
700 1 $aSOARES, V. P.
700 1 $aLEITE, H. G.
700 1 $aGLERIANI, J. M.
700 1 $aAMARAL, C. H. do
700 1 $aGRIPP JÚNIOR, J.
700 1 $aSILVA, A A. L. da
700 1 $aSOARES, P.
700 1 $aTOMÉ, M.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 53, n. 12, p. 1373-1382, Dez. 2018.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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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: |
17/02/2017 |
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Data da última atualização: |
09/02/2024 |
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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: |
MUNK, M.; CAMARGO, L. S. de A.; QUINTAO, C. C. R.; SILVA, S. R.; SOUZA, E. D.; RAPOSO, N. R. B.; MARCONCINI, J. M.; JORIO, A.; LADEIRA, L. O.; BRANDAO, H. de M. |
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Afiliação: |
MICHELE MUNK, UFJF; LUIZ SERGIO DE ALMEIDA CAMARGO, CNPGL; CAROLINA CAPOBIANGO ROMANO QUINTAO, CNPGL; SAULO R. SILVA; ELISA DE SOUZA; NADIA R. B. RAPOSO, UFJF; JOSE MANOEL MARCONCINI, CNPDIA; ADO JORIO, UFMG; LUIZ O. LADEIRA, UFJF; HUMBERTO DE MELLO BRANDAO, CNPGL. |
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Título: |
Biocompatibility assessment of fibrous nanomaterials in mammalian embryos. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Nanomedicine, v. 12, n. 5, p. 1151-1159, 2016. |
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DOI: |
https://doi.org/10.1016/j.nano.2016.01.006 |
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Idioma: |
Inglês |
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Conteúdo: |
Currently there is a growing interest in the use of nanotechnology in reproductive medicine and reproductive biology. However, their toxic effects on mammalian embryos remain poorly understood. In this work, we evaluate the biocompatibility of two fibrous nanomaterials (NMs): cotton cellulose nanofibers (CNF) and carboxylated multiwalled carbon nanotubes (MWCNT-COOH), by performing an investigation of the embryonic development, gene expression (biomarkers focused on cell stress, apoptosis and totipotency) and in situ apoptosis in bovine embryos. Exposure to NMs did not interfere in preimplantation development or in the incidence of apoptosis in the bovine embryo, but they did affect the gene expression. The results presented are important for an understanding of the toxicity of cotton CNF and MWCNT-COOH on mammalian embryos. To our knowledge, we report the first evaluation of biocompatibility between these NMs on preimplantation embryos, which may open a new window for reproductive biomedical applications. |
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Palavras-Chave: |
Fibras; Fibrous nanomaterials; Nanomateriais. |
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Thesaurus NAL: |
apoptosis; biocompatibility; gene expression. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 01916naa a2200313 a 4500
001 2064600
005 2024-02-09
008 2016 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.nano.2016.01.006$2DOI
100 1 $aMUNK, M.
245 $aBiocompatibility assessment of fibrous nanomaterials in mammalian embryos.$h[electronic resource]
260 $c2016
520 $aCurrently there is a growing interest in the use of nanotechnology in reproductive medicine and reproductive biology. However, their toxic effects on mammalian embryos remain poorly understood. In this work, we evaluate the biocompatibility of two fibrous nanomaterials (NMs): cotton cellulose nanofibers (CNF) and carboxylated multiwalled carbon nanotubes (MWCNT-COOH), by performing an investigation of the embryonic development, gene expression (biomarkers focused on cell stress, apoptosis and totipotency) and in situ apoptosis in bovine embryos. Exposure to NMs did not interfere in preimplantation development or in the incidence of apoptosis in the bovine embryo, but they did affect the gene expression. The results presented are important for an understanding of the toxicity of cotton CNF and MWCNT-COOH on mammalian embryos. To our knowledge, we report the first evaluation of biocompatibility between these NMs on preimplantation embryos, which may open a new window for reproductive biomedical applications.
650 $aapoptosis
650 $abiocompatibility
650 $agene expression
653 $aFibras
653 $aFibrous nanomaterials
653 $aNanomateriais
700 1 $aCAMARGO, L. S. de A.
700 1 $aQUINTAO, C. C. R.
700 1 $aSILVA, S. R.
700 1 $aSOUZA, E. D.
700 1 $aRAPOSO, N. R. B.
700 1 $aMARCONCINI, J. M.
700 1 $aJORIO, A.
700 1 $aLADEIRA, L. O.
700 1 $aBRANDAO, H. de M.
773 $tNanomedicine$gv. 12, n. 5, p. 1151-1159, 2016.
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