|
|
| Acesso ao texto completo restrito à biblioteca da Embrapa Agricultura Digital. Para informações adicionais entre em contato com cnptia.biblioteca@embrapa.br. |
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.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Agricultura Digital (CNPTIA) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
Registro Completo
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
20/03/2009 |
Data da última atualização: |
16/05/2024 |
Tipo da produção científica: |
Monitoramento/Zoneamento |
Autoria: |
PARAHYBA, R. da B. V.; LEITE, A. P.; SILVA, M. S. L. da. |
Afiliação: |
ROBERTO DA BOA VIAGEM PARAHYBA, CNPS; ALDO PEREIRA LEITE, CNPS; MARIA SONIA LOPES DA SILVA, CNPS. |
Título: |
Relatório do levantamento de solos do município de Olho d'Água do Casado - Alagoas. |
Ano de publicação: |
2008 |
Fonte/Imprenta: |
Recife: Embrapa Solos, 2008. |
Páginas: |
54 p. |
Idioma: |
Português |
Conteúdo: |
A utilização dos solos deve ser feita de acordo com suas potencialidades e limitações, o que possibilita um processo de sustentabilidade para as gerações presentes e futuras. Portanto, o conhecimento dos solos e dos ambientes que constituem as paisagens de uma região ou uma pequena propriedade rural permite organizar e planejar, de forma racional, as atividades agrossilvipastoris. Este trabalho teve como objetivo identificar, classificar e mapear os principais solos que ocorrem no município de Olho D’água do Casado-Alagoas, com a finalidade de servir de base física para avaliar a potencialidade agrícola das terras. |
Thesagro: |
Aptidão Agrícola; Levantamento; Reconhecimento do Solo. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/73315/1/13983.pdf
|
Marc: |
LEADER 01171nam a2200181 a 4500 001 1339991 005 2024-05-16 008 2008 bl uuuu t 00u1 u #d 100 1 $aPARAHYBA, R. da B. V. 245 $aRelatório do levantamento de solos do município de Olho d'Água do Casado - Alagoas.$h[electronic resource] 260 $aRecife: Embrapa Solos$c2008 300 $a54 p. 520 $aA utilização dos solos deve ser feita de acordo com suas potencialidades e limitações, o que possibilita um processo de sustentabilidade para as gerações presentes e futuras. Portanto, o conhecimento dos solos e dos ambientes que constituem as paisagens de uma região ou uma pequena propriedade rural permite organizar e planejar, de forma racional, as atividades agrossilvipastoris. Este trabalho teve como objetivo identificar, classificar e mapear os principais solos que ocorrem no município de Olho D’água do Casado-Alagoas, com a finalidade de servir de base física para avaliar a potencialidade agrícola das terras. 650 $aAptidão Agrícola 650 $aLevantamento 650 $aReconhecimento do Solo 700 1 $aLEITE, A. P. 700 1 $aSILVA, M. S. L. da
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Solos (CNPS) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Expressão de busca inválida. Verifique!!! |
|
|