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Registros recuperados : 34 | |
1. | | BARLOW, J.; PARRY, L.; GARDNER, T. A.; FERREIRA, J. N.; ARAGÃO, L. E. O. C.; CARMENTA, R.; BERENGUER, E.; VIEIRA, I. C. G.; SOUZA, C.; COCHRANE, M. A. The critical importance of considering fire in REDD+ programs. Biological Conservation, v. 154, p. 1-8, Oct. 2012. Biblioteca(s): Embrapa Amazônia Oriental. |
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2. | | BERENGUER, E.; GARDNER, T. A.; FERREIRA, J. N.; ARAGÃO, L. E. O. C.; NALLY, R. M.; THOMSON, J. R.; VIEIRA, I. C. G.; BARLOW, J. Seeing the woods through the saplings: Using wood density to assess the recovery of human-modified Amazonian forests. Journal of Ecology, v. 106, n. 6, p. 2190-2203, Nov. 2018. Biblioteca(s): Embrapa Amazônia Oriental. |
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3. | | FONSECA, M. G.; ANDERSON, L. O. A.; ARAI, E.; SHIMABUKURO, Y. E.; XAUD, H. A. M.; XAUD, M. R.; MADANI, N.; WAGNER, F. H.; ARAGÃO, L. E. O. C. Climatic and anthropogenic drivers of northern Amazon fires during the 2015-2016 El Niño event. Ecological Applications, v. 27, n. 8, p. 2514-2527, 2017. Biblioteca(s): Embrapa Roraima. |
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4. | | FERREIRA, J.; ARAGÃO, L. E. O. C.; BARLOW, J.; BARRETO, P.; BERENGUER, E.; BUSTAMANTE, M.; GARDNER, T. A.; LEES, A. C.; LIMA, A.; LOUZADA, J.; PARDINI, R.; PARRY, L.; PERES, C. A.; POMPEU, P. S.; TABARELLI, M.; ZUANON, J. Brazil's environmental leadership at risk. Science, v. 346, n. 6210, p. 706-707, Nov. 2014. Biblioteca(s): Embrapa Amazônia Oriental. |
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5. | | WITHEY, K.; BERENGUER, E.; PALMEIRA, A. F.; ESPÍRITO-SANTO, F. D. B.; LENNOX, G. D.; SILVA, C. V. J.; ARAGÃO, L. E. O. C.; FERREIRA, J. N.; FRANÇA, F.; MALHI, Y.; ROSSI, L. C.; BARLOW, J. Quantifying immediate carbon emissions from El Ninõ-mediated wildfires in humid tropical forests. Philosophical Transactions of the Royal Society B, v. 373, n. 1760, p. 1-11, Nov. 2018. Biblioteca(s): Embrapa Amazônia Oriental. |
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6. | | BERENGUER, E.; GARDNER, T. A.; FERREIRA, J.; ARAGÃO, L. E. O. C.; CAMARGO, P. B.; CERRI, C. E.; DURIGAN, M.; OLIVEIRA JUNIOR, R. C.; VIEIRA, I. C. G.; BARLOW, J. Developing cost-effective field assessments of carbon stocks in human-modified tropical forests. Plos One, v. 10, n. 8, e0133139, 2015. Biblioteca(s): Embrapa Amazônia Oriental. |
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7. | | MAEDA, E. E.; ARAGÃO, L. E. O. C.; BAKER, J. C. A.; BALBINO, L. C.; MOURA, Y. M. de; NOBRE, A. D.; NUNES, M. H.; SILVA JUNIOR, C. H. L.; REIS, J. C. dos. Land use still matters after deforestation. Communications Earth & Environment, v. 4, 2023. 4 p. Biblioteca(s): Embrapa Cerrados. |
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8. | | HAWES, J. E.; VIEIRA, I. C. G.; MAGNAGO, L. F. S.; BERENGUER, E.; FERREIRA, J. N.; ARAGÃO, L. E. O. C.; CARDOSO, A.; LEES, A. C.; LENNOX, G. D.; TOBIAS, J. A; WALDRON, A.; BARLOW, J. A large-scale assessment of plant dispersal mode and seed traits across human-modified Amazonian forests. Journal of Ecology, v. 108, n. 4, p. 1373-1385, 2020. Biblioteca(s): Embrapa Amazônia Oriental. |
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9. | | BERENGUER, E.; FERREIRA, J.; GARDNER, T. A.; ARAGÃO, L. E. O. C.; CAMARGO, P. B. de; CERRI, C. E.; DURIGAN, M.; OLIVEIRA JUNIOR, R. C. de; VIEIRA, I. C. G.; BARLOW, J. A large-scale field assessment of carbon stocks in human-modified tropical forests. Global Change Biology, v. 20, n. 12, p. 3713-3726, 2014. Biblioteca(s): Embrapa Amazônia Oriental. |
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10. | | ANDERSON, L. O.; BURTON, C.; REIS, J. B. C. dos; PESSÔA, A. C. M.; BETT, P.; CARVALHO, N. S.; SILVA JUNIOR, C. H. L.; WILLIAMS, K.; SELAYA, G.; ARMENTERAS, D.; BILBAO, B. A.; XAUD, H. A. M.; RIVERA-LOMBARDI, R.; FERREIRA, J. N.; ARAGÃO, L. E. O. C.; JONES, C. D.; WILTSHIRE, A. J. An alert systemfor Seasonal Fire probability forecast for South American Protected Areas. Climate Resilience and Sustainability, p. 1-19, 2021. Biblioteca(s): Embrapa Roraima. |
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11. | | ANDERSON, L. O.; BURTON, C.; REIS, J. B. C. dos; PESSÔA, A. C. M.; BETT, P.; CARVALHO, N. S.; SILVA JUNIOR, C. H. L.; WILLIAMS, K.; SELAYA, G.; ARMENTERAS, D.; BILBAO, B. A.; XAUD, H. A. M.; RIVERA-LOMBARDI, R.; FERREIRA, J. N.; ARAGÃO, L. E. O. C.; JONES, C. D.; WILTSHIRE, A. J. An alert systemfor Seasonal Fire probability forecast for South American Protected Areas. Climate Resilience and Sustainability, v. 1, n. 1, p. 1-19, Feb. 2022. Biblioteca(s): Embrapa Amazônia Oriental. |
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12. | | FERREIRA, J. N.; LENNOX, G. D.; GARDNER, T. A.; THOMSON, J. R.; BERENGUER, E.; LEES, A. C.; MAC BALLY, R.; ARAGÃO, L. E. O. C.; FERRAZ, S. F. B.; LOUZADA, J.; MOURA, N. G.; OLIVEIRA, V. H. F.; PARDINI, R.; SOLAR, R. R. C.; VIEIRA, I. C. G.; BARLOW, J. Carbon-focused conservation may fail to protect the most biodiverse tropical forests. Nature Climate Change, v. 8, n. 8, p. 744-749, Aug. 2018. Biblioteca(s): Embrapa Amazônia Oriental. |
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13. | | SILVA, C. V. J.; ARAGÃO, L. E. O. C.; YOUNG, P. J.; ESPIRITO-SANTO, F.; BERENGUER, E.; ANDERSON, L. O.; BRASIL, I.; PONTES-LOPES, A.; FERREIRA, J. N.; WITHEY, K.; FRANÇA, F.; GRAÇA, P. M. L. A.; KIRSTEN, L.; XAUD, H. A. M.; SALIMON, C.; SCARANELLO, M. A.; CASTRO, B.; SEIXAS, M.; FARIAS, R.; BARLOW, J. Estimating the multi-decadal carbon deficit of burned Amazonian forests. Environmental Research Letters, v. 15, Article 114023, 2020. Biblioteca(s): Embrapa Amazônia Oriental; Embrapa Roraima. |
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14. | | STARK, S. C.; BRESHEARS, D. D.; ARAGÓN, S.; VILLEGAS, J. C.; LAW, D. J.; SMITH, M. N.; MINOR, D. M.; ASSIS, R. L. de; ALMEIDA, D. R. A. de; OLIVEIRA, G. de; SALESKA, S. R.; SWANN, A. S.; MOURA, J. M. S.; CAMARGO, J. L.; SILVA, R. da; ARAGÃO, L. E. O. C.; OLIVEIRA JUNIOR, R. C. de. Reframing tropical savannization: linking changes in canopy structure to energy balance alterations that impact climate. Ecosphere, v. 11, n. 9, e03231, 2020. Biblioteca(s): Embrapa Amazônia Oriental. |
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15. | | LENNOX, G. D.; GARDNER, T. A.; THOMSON, J. R.; FERREIRA, J. N.; BERENGUER, E.; LEES, A. C.; NALLY, R. M.; ARAGÃO, L. E. O. C.; FERRAZ, S. F. B.; LOUZADA, J.; MOURA, N. G.; OLIVEIRA, V. H. F.; PARDINI, R.; SOLAR, R. R. C.; MELLO, F. Z. V. de; VIEIRA, I. C. G.; BARLOW, J. Second rate or a second chance? Assessing biomass and biodiversity recovery in regenerating Amazonian forests. Global Change Biology, v. 24, n. 12, p. 5680-5694, 2018. Biblioteca(s): Embrapa Amazônia Oriental. |
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16. | | MOURA, Y. M. de; GALVÃO, L. S.; HILKER, T.; WU, J.; SALESKA, S.; AMARAL, C. H. do; NELSON, B. W.; LOPES, A. P.; WIEDEMAN, K. K.; PROHASKA, N.; OLIVEIRA JUNIOR, R. C. de; MACHADO, C. B.; ARAGÃO, L. E. O. C. Spectral analysis of amazon canopy phenology during the dry season using a tower hyperspectral camera and modis observations. ISPRS Journal of Photogrammetry and Remote Sensing, v. 131, p. 52-64, Sept. 2017. Biblioteca(s): Embrapa Amazônia Oriental. |
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17. | | SILVA, C. V. J.; ARAGÃO, L. E. O. C.; BARLOW, J.; ESPIRITO-SANTO, F.; YOUNG, P. J.; ANDERSON, L. O.; BERENGUER, E.; BRASIL, I.; BROWN, I. F.; CASTRO, B.; FARIAS, R.; FERREIRA, J. N.; FRANÇA, F.; GRAÇA, P. M. L. A.; KIRSTEN, L.; LOPES, A. P.; SALIMON, C.; SCARANELLO, M. A.; SEIXAS, M.; SOUZA, F. C.; XAUD, H. A. M. Drought-induced Amazonian wildfires instigate a decadal-scale disruption of forest carbon dynamics. Philosophical Transactions of the Royal Society B, v. 373, n. 1760, p. 1-12, Nov. 2018. Biblioteca(s): Embrapa Amazônia Oriental; Embrapa Roraima. |
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18. | | BERENGUER, E.; LENNOX, G. D.; FERREIRA, J. N.; MALHI, Y.; ARAGÃO, L. E. O. C.; BARRETO, J. R.; ESPÍRITO-SANTO, F. del B.; FIGUEIREDO, A. E. S.; FRANÇA, F.; GARDNER, T. A.; JOLY, C. A.; PALMEIRA, A. F.; QUESADA, C. A.; ROSSI, L. C.; SEIXAS, M. M. M. de; SMITH, C. C.; WITHEY, K.; BARLOW, J. Tracking the impacts of El Niño drought and fire in human-modified Amazonian forests. PNAS, v. 118, n. 30, e201937711, 2021. Biblioteca(s): Embrapa Amazônia Oriental. |
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19. | | VEDOVATO, L. B.; CARVALHO, L. C. S.; ARAGÃO, L. E. O. C.; BIRD, M.; PHILLIPS, O. L.; ALVAREZ, P.; BARLOW, J.; BARTHOLOMEW, D. C.; BERENGUER, E.; CASTRO, W.; FERREIRA, J. N.; FRANÇA, F. M.; MALHI, Y.; MARIMON, B.; MARIMON JÚNIOR, B. H.; MONTEAGUDO, A.; OLIVEIRA, E. A.; PEREIRA, L. O.; PONTES-LOPES, A.; QUESADA, C. A.; SILVA, C. V. J.; ESPEJO, J. E. S.; SILVEIRA, M.; FELDPAUSCH, T. R. Ancient fires enhance Amazon forest drought resistance. Frontiers in Forests and Global Change, v. 6, 1024101, 2023. Biblioteca(s): Embrapa Amazônia Oriental. |
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20. | | NUNES, C. A.; BERENGUER, E.; FRANÇA, F.; FERREIRA, J. N.; LEES, A. C.; LOUZADA, J.; SAYER, E. J.; SOLAR, R.; SMITH, C. C.; ARAGÃO, L. E. O. C.; BRAGA, D. de L.; CAMARGO, P. B. de; CERRI, C. E. P.; OLIVEIRA JUNIOR, R. C. de; DURIGAN, M.; MOURA, N.; OLIVEIRA, V. H. F.; RIBAS, C.; VAZ-DE-MELLO, F.; VIEIRA, I.; ZANETTI, R.; BARLOW, J. Linking land-use and land-cover transitions to their ecological impact in the Amazon. PNAS, v. 119, n. 27, e2202310119, 2022. Biblioteca(s): Embrapa Amazônia Oriental. |
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Registros recuperados : 34 | |
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Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
13/10/2017 |
Data da última atualização: |
22/12/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
MOURA, Y. M. de; GALVÃO, L. S.; HILKER, T.; WU, J.; SALESKA, S.; AMARAL, C. H. do; NELSON, B. W.; LOPES, A. P.; WIEDEMAN, K. K.; PROHASKA, N.; OLIVEIRA JUNIOR, R. C. de; MACHADO, C. B.; ARAGÃO, L. E. O. C. |
Afiliação: |
Yhasmin Mendes de Moura, INPE; Lênio Soares Galvão, INPE; Thomas Hilker, University of Southampton; Jin Wu, University of Arizona / Brookhaven National Laboratory; Scott Saleska, University of Arizona; Cibele Hummel do Amaral, UFV; Bruce Walker Nelson, INPA; Aline Pontes Lopes, INPE; Kenia K. Wiedeman, University of Arizona / Harvard University; Neill Prohaska, University of Arizona; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU; Carolyne Bueno Machado, INPE; Luiz E. O. C. Aragão, INPE / University of Exeter. |
Título: |
Spectral analysis of amazon canopy phenology during the dry season using a tower hyperspectral camera and modis observations. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
ISPRS Journal of Photogrammetry and Remote Sensing, v. 131, p. 52-64, Sept. 2017. |
DOI: |
https://doi.org/10.1016/j.isprsjprs.2017.07.006 |
Idioma: |
Inglês |
Conteúdo: |
The association between spectral reflectance and canopy processes remains challenging for quantifying large-scale canopy phenological cycles in tropical forests. In this study, we used a tower-mounted hyperspectral camera in an eastern Amazon forest to assess how canopy spectral signals of three species are linked with phenological processes in the 2012 dry season. We explored different approaches to disentangle the spectral components of canopy phenology processes and analyze their variations over time using 17 images acquired by the camera. The methods included linear spectral mixture analysis (SMA); principal component analysis (PCA); continuum removal (CR); and first-order derivative analysis. In addition, three vegetation indices potentially sensitive to leaf flushing, leaf loss and leaf area index (LAI) were calculated: the Enhanced Vegetation Index (EVI), Normalized Difference Vegetation Index (NDVI) and the entitled Green-Red Normalized Difference (GRND) index.Weinspected also the consistency of the camera observations using Moderate Resolution Imaging Spectroradiometer (MODIS) and available phenological data on new leaf production and LAI of young, mature and old leaves simulated by a leaf demography-ontogeny model. The results showed a diversity of phenological responses during the 2012 dry season with related changes in canopy structure and greenness values. Because of the differences in timing and intensity of leaf flushing and leaf shedding, Erisma uncinatum, Manilkara huberi and Chamaecrista xinguensis presented different green vegetation (GV) and non-photosynthetic vegetation (NPV) SMA fractions; distinct PCA scores; changes in depth, width and area of the 681-nm chlorophyll absorption band; and variations over time in the EVI, GRND and NDVI. At the end of dry season, GV increased for Erisma uncinatum, while NPV increased for Chamaecrista xinguensis. For Manilkara huberi, the NPV first increased in the beginning of August and then decreased toward September with new foliage. Variations in red-edge position were not statistically significant between the species and across dates at the 95% confidence level. The camera data were affected by view-illumination effects, which reduced theSMAshade fraction over time.WhenMODIS data were corrected for these effects using the Multi-Angle Implementation of Atmospheric Correction Algorithm (MAIAC), we observed an EVI increase toward September that closely tracked the modeled LAI of mature leaves (3?5 months). Compared to the EVI, the GRND was a better indicator of leaf flushing because the modeled production of new leaves peaked in August and then declined in September following the GRND closely. While the EVI was more related to changes in mature leaf area, the GRND was more associated with new leaf flushing. MenosThe association between spectral reflectance and canopy processes remains challenging for quantifying large-scale canopy phenological cycles in tropical forests. In this study, we used a tower-mounted hyperspectral camera in an eastern Amazon forest to assess how canopy spectral signals of three species are linked with phenological processes in the 2012 dry season. We explored different approaches to disentangle the spectral components of canopy phenology processes and analyze their variations over time using 17 images acquired by the camera. The methods included linear spectral mixture analysis (SMA); principal component analysis (PCA); continuum removal (CR); and first-order derivative analysis. In addition, three vegetation indices potentially sensitive to leaf flushing, leaf loss and leaf area index (LAI) were calculated: the Enhanced Vegetation Index (EVI), Normalized Difference Vegetation Index (NDVI) and the entitled Green-Red Normalized Difference (GRND) index.Weinspected also the consistency of the camera observations using Moderate Resolution Imaging Spectroradiometer (MODIS) and available phenological data on new leaf production and LAI of young, mature and old leaves simulated by a leaf demography-ontogeny model. The results showed a diversity of phenological responses during the 2012 dry season with related changes in canopy structure and greenness values. Because of the differences in timing and intensity of leaf flushing and leaf shedding, Erisma uncinatum, Ma... Mostrar Tudo |
Palavras-Chave: |
Espécie florestal; Sazonalidade. |
Thesagro: |
Fenologia; Folha; Seca. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 03841naa a2200337 a 4500 001 2077368 005 2021-12-22 008 2017 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.isprsjprs.2017.07.006$2DOI 100 1 $aMOURA, Y. M. de 245 $aSpectral analysis of amazon canopy phenology during the dry season using a tower hyperspectral camera and modis observations.$h[electronic resource] 260 $c2017 520 $aThe association between spectral reflectance and canopy processes remains challenging for quantifying large-scale canopy phenological cycles in tropical forests. In this study, we used a tower-mounted hyperspectral camera in an eastern Amazon forest to assess how canopy spectral signals of three species are linked with phenological processes in the 2012 dry season. We explored different approaches to disentangle the spectral components of canopy phenology processes and analyze their variations over time using 17 images acquired by the camera. The methods included linear spectral mixture analysis (SMA); principal component analysis (PCA); continuum removal (CR); and first-order derivative analysis. In addition, three vegetation indices potentially sensitive to leaf flushing, leaf loss and leaf area index (LAI) were calculated: the Enhanced Vegetation Index (EVI), Normalized Difference Vegetation Index (NDVI) and the entitled Green-Red Normalized Difference (GRND) index.Weinspected also the consistency of the camera observations using Moderate Resolution Imaging Spectroradiometer (MODIS) and available phenological data on new leaf production and LAI of young, mature and old leaves simulated by a leaf demography-ontogeny model. The results showed a diversity of phenological responses during the 2012 dry season with related changes in canopy structure and greenness values. Because of the differences in timing and intensity of leaf flushing and leaf shedding, Erisma uncinatum, Manilkara huberi and Chamaecrista xinguensis presented different green vegetation (GV) and non-photosynthetic vegetation (NPV) SMA fractions; distinct PCA scores; changes in depth, width and area of the 681-nm chlorophyll absorption band; and variations over time in the EVI, GRND and NDVI. At the end of dry season, GV increased for Erisma uncinatum, while NPV increased for Chamaecrista xinguensis. For Manilkara huberi, the NPV first increased in the beginning of August and then decreased toward September with new foliage. Variations in red-edge position were not statistically significant between the species and across dates at the 95% confidence level. The camera data were affected by view-illumination effects, which reduced theSMAshade fraction over time.WhenMODIS data were corrected for these effects using the Multi-Angle Implementation of Atmospheric Correction Algorithm (MAIAC), we observed an EVI increase toward September that closely tracked the modeled LAI of mature leaves (3?5 months). Compared to the EVI, the GRND was a better indicator of leaf flushing because the modeled production of new leaves peaked in August and then declined in September following the GRND closely. While the EVI was more related to changes in mature leaf area, the GRND was more associated with new leaf flushing. 650 $aFenologia 650 $aFolha 650 $aSeca 653 $aEspécie florestal 653 $aSazonalidade 700 1 $aGALVÃO, L. S. 700 1 $aHILKER, T. 700 1 $aWU, J. 700 1 $aSALESKA, S. 700 1 $aAMARAL, C. H. do 700 1 $aNELSON, B. W. 700 1 $aLOPES, A. P. 700 1 $aWIEDEMAN, K. K. 700 1 $aPROHASKA, N. 700 1 $aOLIVEIRA JUNIOR, R. C. de 700 1 $aMACHADO, C. B. 700 1 $aARAGÃO, L. E. O. C. 773 $tISPRS Journal of Photogrammetry and Remote Sensing$gv. 131, p. 52-64, Sept. 2017.
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