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Registro Completo |
Biblioteca(s): |
Embrapa Agricultura Digital. |
Data corrente: |
07/01/2020 |
Data da última atualização: |
04/02/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
LI, G.; LU, D.; MORAN, E.; CALVI, M. F.; DUTRA, L. V.; BATISTELLA, M. |
Afiliação: |
GUIYING LI, Fujian Normal University; DENGSHENG LU, Fujian Normal University, Michigan StateUniversity; EMILIO MORAN, Michigan State University; MIQUÉIAS FREITAS CALVI, UFPA; LUCIANO VIEIRA DUTRA, INPE; MATEUS BATISTELLA, CNPTIA. |
Título: |
Examining deforestation and agropasture dynamics along the Brazilian TransAmazon Highway using multitemporal Landsat imagery. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
GIScience & Remote Sensing, v. 56, n. 2, p. 161-183, 2019. |
DOI: |
https://doi.org/10.1080/15481603.2018.1497438 |
Idioma: |
Inglês |
Conteúdo: |
This research aims to understand the difference of major land-cover change results caused in various time periods and to examine the impacts of human-induced factors on land-cover changes along the TransAmazon Highway region. The Landsat Thematic Mapper and Operational Land Imager data from 2011, 2014, and 2017 and our previous land-cover classification results in 1991, 2000, and 2008 were used to examine land-cover dynamics. A classification system consisting of five land-cover classes ? primary forest (PF), secondary forest (SF), agropasture (AP), urban area, and water ? were chosen. The hierarchical-based classification method was used to generate land-cover classification results, and the post-classification comparison approach was used to produce detailed ?from-to? conversions for each detection period. The emphasis was on deforestation of PF, dynamic change of SF and AP, and urbanization over time. The impacts of human-induced factors such as population and economic conditions on urban expansion, AP expansion, and deforestation were examined. This research indicated that selection of a suitable time period was critical for effectively detecting land-cover changes; that is, too long time period (i.e., 9 years) cannot accurately capture some land-cover changes such as the AP and SF in this research. Although deforestation ? the conversion from PF to SF and AP ? accounted for a large proportion of land-cover changes, the changes between SF and AP became moreproportion important than PF conversion, and required a short time period (i.e., 3 years here) for effectively reflecting their dynamics. Human-induced factors play important roles in deforestation, dynamic changes between AP and SF, and urbanization. MenosThis research aims to understand the difference of major land-cover change results caused in various time periods and to examine the impacts of human-induced factors on land-cover changes along the TransAmazon Highway region. The Landsat Thematic Mapper and Operational Land Imager data from 2011, 2014, and 2017 and our previous land-cover classification results in 1991, 2000, and 2008 were used to examine land-cover dynamics. A classification system consisting of five land-cover classes ? primary forest (PF), secondary forest (SF), agropasture (AP), urban area, and water ? were chosen. The hierarchical-based classification method was used to generate land-cover classification results, and the post-classification comparison approach was used to produce detailed ?from-to? conversions for each detection period. The emphasis was on deforestation of PF, dynamic change of SF and AP, and urbanization over time. The impacts of human-induced factors such as population and economic conditions on urban expansion, AP expansion, and deforestation were examined. This research indicated that selection of a suitable time period was critical for effectively detecting land-cover changes; that is, too long time period (i.e., 9 years) cannot accurately capture some land-cover changes such as the AP and SF in this research. Although deforestation ? the conversion from PF to SF and AP ? accounted for a large proportion of land-cover changes, the changes between SF and AP became moreproportion imp... Mostrar Tudo |
Palavras-Chave: |
Agropasture expansion; Cobertura da terra; Human-induced factors; Multitemporal Landsat imagery; Secondary forest; TransAmazon; Transamazônica. |
Thesagro: |
Desmatamento. |
Thesaurus Nal: |
Deforestation; Land cover. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02700naa a2200313 a 4500 001 2118287 005 2020-02-04 008 2019 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1080/15481603.2018.1497438$2DOI 100 1 $aLI, G. 245 $aExamining deforestation and agropasture dynamics along the Brazilian TransAmazon Highway using multitemporal Landsat imagery.$h[electronic resource] 260 $c2019 520 $aThis research aims to understand the difference of major land-cover change results caused in various time periods and to examine the impacts of human-induced factors on land-cover changes along the TransAmazon Highway region. The Landsat Thematic Mapper and Operational Land Imager data from 2011, 2014, and 2017 and our previous land-cover classification results in 1991, 2000, and 2008 were used to examine land-cover dynamics. A classification system consisting of five land-cover classes ? primary forest (PF), secondary forest (SF), agropasture (AP), urban area, and water ? were chosen. The hierarchical-based classification method was used to generate land-cover classification results, and the post-classification comparison approach was used to produce detailed ?from-to? conversions for each detection period. The emphasis was on deforestation of PF, dynamic change of SF and AP, and urbanization over time. The impacts of human-induced factors such as population and economic conditions on urban expansion, AP expansion, and deforestation were examined. This research indicated that selection of a suitable time period was critical for effectively detecting land-cover changes; that is, too long time period (i.e., 9 years) cannot accurately capture some land-cover changes such as the AP and SF in this research. Although deforestation ? the conversion from PF to SF and AP ? accounted for a large proportion of land-cover changes, the changes between SF and AP became moreproportion important than PF conversion, and required a short time period (i.e., 3 years here) for effectively reflecting their dynamics. Human-induced factors play important roles in deforestation, dynamic changes between AP and SF, and urbanization. 650 $aDeforestation 650 $aLand cover 650 $aDesmatamento 653 $aAgropasture expansion 653 $aCobertura da terra 653 $aHuman-induced factors 653 $aMultitemporal Landsat imagery 653 $aSecondary forest 653 $aTransAmazon 653 $aTransamazônica 700 1 $aLU, D. 700 1 $aMORAN, E. 700 1 $aCALVI, M. F. 700 1 $aDUTRA, L. V. 700 1 $aBATISTELLA, M. 773 $tGIScience & Remote Sensing$gv. 56, n. 2, p. 161-183, 2019.
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Embrapa Agricultura Digital (CNPTIA) |
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Biblioteca(s): |
Embrapa Agroenergia. |
Data corrente: |
28/10/2019 |
Data da última atualização: |
28/10/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
AMAZONAS, D. R.; SOUTO, A. L.; VIEIRA, F. S.; CARNEIRO, A. A. J.; VIANNA, R. B.; MENDES, T. D.; LIMA, K. S.; RIBEIRO, J. A. A.; DAMASO, M. C. T.; RODRIGUES, C. M.; ABDELNUR, P. V. |
Afiliação: |
Diana R. Amazonas, Bolsista da Embrapa Agroenergia; Augusto L. Souto; Flávia S. Vieira; Andréia A. J. Carneiro; Rebeca B. Vianna; THAIS DEMARCHI MENDES, CNPAE; Karen S. Lima; José A. A. Ribeiro; MONICA CARAMEZ TRICHES DAMASO, CNPAE; CLENILSON MARTINS RODRIGUES, CNPAE; PATRICIA VERARDI ABDELNUR, CNPAE. |
Título: |
High throughput mass spectrometry platform for prospecting high value chemicals from bioconversion of glycerin. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Journal of the Brazilian Chemical Society, v. 30, n. 12, p. 2712-2720, 2019. |
Idioma: |
Inglês |
Palavras-Chave: |
DIMS; Filamentous fungi. |
Thesaurus NAL: |
Biotechnology; Mass spectrometry; Metabolomics. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/203836/1/2019-0240AR-BrazWoman.pdf
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Marc: |
LEADER 00881naa a2200289 a 4500 001 2113564 005 2019-10-28 008 2019 bl uuuu u00u1 u #d 100 1 $aAMAZONAS, D. R. 245 $aHigh throughput mass spectrometry platform for prospecting high value chemicals from bioconversion of glycerin.$h[electronic resource] 260 $c2019 650 $aBiotechnology 650 $aMass spectrometry 650 $aMetabolomics 653 $aDIMS 653 $aFilamentous fungi 700 1 $aSOUTO, A. L. 700 1 $aVIEIRA, F. S. 700 1 $aCARNEIRO, A. A. J. 700 1 $aVIANNA, R. B. 700 1 $aMENDES, T. D. 700 1 $aLIMA, K. S. 700 1 $aRIBEIRO, J. A. A. 700 1 $aDAMASO, M. C. T. 700 1 $aRODRIGUES, C. M. 700 1 $aABDELNUR, P. V. 773 $tJournal of the Brazilian Chemical Society$gv. 30, n. 12, p. 2712-2720, 2019.
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