| |
|
|
| Registros recuperados : 34 | |
| 3. |  | MEIR, P.; ROWLAND, L.; COSTA, A. C. L. da; VASCONCELOS, S.; MENCUCCINI, M.; CHRISTOFFERSEN, B.; FERREIRA, L. Resistance and mortality in tropical forest trees during experimental drought. In: ESA ANNUAL MEETING, 100., 2015, Baltimore. Book of Abstracts. [S.l.: s.n.], 2015.| Biblioteca(s): Embrapa Amazônia Oriental. |
|    |
| 4. | | MEIR, P.; ROWLAND, L.; COSTA, A. C. L. da; MENCUCCINI, M.; CHRISTOFFERSEN, B.; VASCONCELOS, S.; KRUIJT, B.; FERREIRA, L. Responses to severe drought by tropical forest trees. In: ANNUAL CONFERENCE OF THE SOCIETY FOR TROPICAL ECOLOGY, 2015, Zürich. Resilience of tropical ecosystems - future challenges and opportunities. Zurich: GTO, 2015. p. 159.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 8. | | SOUZA, G. N. B. de; ARAUJO, A. C. de; VASCONCELOS, S. S.; LEAL, L. do S. M.; PINTO, C. A. D.; COSTA, A. C. L. da. Influência da umidade do solo sobre a variação do efluxo de CO2 do solo na floresta nacional de Caxiuanã-PA. In: WORKSHOP BRASILEIRO DE MICROMETEOROLOGIA, 10., 2017, Santa Maria, RS. [Anais]. [Santa Maria: UFSM, 2017].| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 9. | | BINKS, O.; MEIR, P.; ROWLAND, L.; COSTA, A. C. L. da; VASCONCELOS, S. S.; OLIVEIRA, A. A. R. de; FERREIRA, L.; MENCUCCINI, M. Limited acclimation in leaf anatomy to experimental drought in tropical rainforest trees. Tree Physiology, v. 36, n. 12, p. 1550-1561, 2016.| Biblioteca(s): Embrapa Amazônia Oriental. |
|  |
| 10. | | BINKS, O.; MEIR, P.; ROWLAND, L.; COSTA, A. C. L. da; VASCONCELOS, S. S.; OLIVEIRA, A. A. R. de; FERREIRA, L.; CHRISTOFFERSEN, B.; NARDINI, A.; MENCUCCINI, M. Plasticity in leaf-level water relations of tropical rainforest trees in response to experimental drought. New Phytologist, v. 211, n. 2, p. 477-488, July 2016.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 11. | | BINKS, O.; MEIR, P.; ROWLAND, L.; COSTA, A. C. L. da; VASCONCELOS, S. S.; OLIVEIRA, A. A. R. de; FERREIRA, L.; CHRISTOFFERSEN, B.; NARDINI, A.; MENCUCCINI, M. Plasticity in the water relations and anatomy of leaves of tropical rainforest trees in response to experimental drought. In: ANNUAL MEETING OF THE ASSOCIATION FOR TROPICAL BIOLOGY AND CONSERVATION, 53., 2016, Montpellier. Tropical ecology and society: reconciling conservation and sustainable use of biodiversity: program & abstracts. [S.l.]: ATBC, 2016. p. 131.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 12. | | NEVES, L. de O.; COSTA, J. M. N. da; COSTA, A. C. L. da; FERREIRA, W. P. M.; ANDRADE, V. M.; OLIVEIRA, F. A.; OLIVEIRA, E. C. de. Partição dos componentes do balanço de energia na cultura do fejião caupi (Vigna uniguiculata (L.). In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 15., 2007, Aracaju. Efeito das mudanças climáticas na agricultura: anais... Aracaju: Sociedade Brasileira de Agrometeorologia: Embrapa Tabuleiros Costeiros, 2007. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
| |
| 13. | | MEIR, P.; BRANDO, P. M.; NEPSTAD, D.; VASCONCELOS, S.; COSTA, A. C. L.; DAVIDSON, E.; ALMEIDA, S.; FISHER, R. A.; SOTTA, E. D.; ZARIN, D.; CARDINOT, G. The effects of drought on Amazonian rain forests. In: KELLER, M.; BUSTAMANTE, M.; GASH, J.; DIAS, P. S. (Ed.). Amazonian and global change. Estados Unidos: AGU, 2009. p. 429-449. (Geophysical Monograph Series, v. 186).| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 14. | | MEIR, P.; BRANDO, P. M.; NEPSTAD, D.; VASCONCELOS, S.; COSTA, A. C. L.; DAVIDSON, E.; ALMEIDA, S.; FISHER, R. A.; SOTTA, E. D.; ZARIN, D.; CARDINOT, G. The effects of drought on Amazonian rain forests. In: KELLER, M.; BUSTAMANTE, M.; GASH, J.; DIAS, P. S. (Ed.). Amazonian and global change. Estados Unidos: AGU, 2009. p. 429-449. (Geophysical Monograph Series, v. 186).| Biblioteca(s): Embrapa Amapá. |
| |
| 15. | | MEIR, P.; ROWLAND, L.; COSTA, A. C. L. da; MENCUCCINI, M.; OLIVEIRA, R.; BINKS, O.; VASCONCELOS, S. S.; OLIVEIRA, A. de; SALMON, Y.; FERREIRA, L.; MEIR, P. The effects of drought on respiration in tropical rainforest. In: ANNUAL MEETING OF THE ASSOCIATION FOR TROPICAL BIOLOGY AND CONSERVATION, 53., 2016, Montpellier. Tropical ecology and society: reconciling conservation and sustainable use of biodiversity: program & abstracts. [S.l.]: ATBC, 2016. p. 202.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 16. | | ROWLAND, L.; LOBO-DO-VALE, R. L.; CHRISTOFFERSEN, B. O.; MELÉM, E. A.; KRUIJT, B.; VASCONCELOS, S. S.; DOMINGUES, T.; BINKS, O. J.; OLIVEIRA, A. A. R.; METCALFE, D.; COSTA, A. C. L. da; MENCUCCINI, M.; MEIR, P. After more than a decade of soil moisture deficit tropical rainforest trees maintain photosynthetic capacity, despite increased leaf respiration. Global Change Biology, v. 21, n. 12, p. 4662-4672, Dec. 2015.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 17. | | MCWILLIAM, A. L. C.; ROBERTS, J. M.; CABRAL, O. M. R.; LEITAO, M. V. B. R.; COSTA, A. C. L. de; MAITELLI, G. T.; ZAMPARONI, C. A. G. P. Leaf area index and above-ground biomass of terra firme rain forest and adjacent clearings in Amazonia. Functional Ecology, v. 7, n. 3, p. 310-317, 1993.| Biblioteca(s): Embrapa Amazônia Ocidental. |
| |
| 18. | | SILVA JUNIOR, J. de A.; COSTA, A. C. L. da; SANTIAGO, A. V.; RODRIGUES, H. J. B.; COSTA, R. F. da; LIMA, A. M. M. de; MORAES, B. C. de; SOUZA, F. T. M. de. Influência do el niño nas condições de conforto térmico na cidade de Belém. In: SIMPÓSIO INTERNACIONAL DE CLIMATOLOGIA, 7., 2017, Petropólis. Anais. [S.l.]: SBMET, 2017.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 19. | | OLIVEIRA, P. J. de; COSTA, R. F. da; COSTA, A. C. L. da; COSTA, J. M. N. da; MALHI, Y.; MEIR, P.; SILVA, R. B. C.; ANDRADE, V. M. S.; SILVA JÚNIOR, J. A.; BRAGA, A.; GONÇALVES, P. H. L. Fechamento do balanço de energia em um ecossistema de manguezal paraense. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 13., 2003, Santa Maria. Situação atual e perspectivas da agrometeorologia: anais... Santa Maria: UNIFRA: SBA: UFSM, 2003. p. 141-142.| Biblioteca(s): Embrapa Agricultura Digital. |
| |
| 20. | | COSTA, R. F. da; SILVA, V. de P. R. da; RUIVO, M. L. P.; MEIR, P.; COSTA, A. C. L.; MALHI, Y. S.; BRAGA, A. P.; GONÇALVES, P. H. L.; SILVA JUNIOR, J. de A.; GRACE, J. Transpiração em espécie de grande porte na Floresta Nacional de Caxiuanã, Pará. Revista Brasileira de Engenharia Agrícola e Ambiental, v.11, n.2,p.180-189, mar/abr.2007. 1 CD ROM.| Biblioteca(s): Embrapa Algodão. |
| |
| Registros recuperados : 34 | |
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Amazônia Oriental. |
|
Data corrente: |
02/12/2015 |
|
Data da última atualização: |
27/05/2022 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 1 |
|
Autoria: |
ROWLAND, L.; COSTA, A. C. L. da; GALBRAITH, D. R.; OLIVEIRA, R. S.; BINKS, O. J.; OLIVEIRA, A. A. R.; PULLEN, A. M.; DOUGHTY, C. E.; METCALFE, D. B.; VASCONCELOS, S. S.; FERREIRA, L. V.; MALHI, Y.; GRACE, J.; MENCUCCINI, M.; MEIR, P. |
|
Afiliação: |
L. Rowland, University of Edinburgh; A. C. L. da Costa, UFPA; D. R. Galbraith, University of Leeds; R. S. Oliveira, UNICAMP; O. J. Binks, University of Edinburgh; A. A. R. Oliveira, UFPA; A. M. Pullen, University of Cambridge; C. E. Doughty, University of Oxford; D. B. Metcalfe, Lund University; STEEL SILVA VASCONCELOS, CPATU; L. V. Ferreira, MPEG; Y. Malhi, University of Oxford; J. Grace, University of Edinburgh; M. Mencuccini, University of Edinburgh / ICREA at CREAF; P. Meir, University of Edinburgh / Australian National University. |
|
Título: |
Death from drought in tropical forests is triggered by hydraulics not carbon starvation. |
|
Ano de publicação: |
2015 |
|
Fonte/Imprenta: |
Nature, v. 528, N. 7580, p. 119-122, 3 Dec. 2015. |
|
DOI: |
10.1038/nature15539 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Drought threatens tropical rainforests over seasonal to decadal timescales1, 2, 3, 4, but the drivers of tree mortality following drought remain poorly understood5, 6. It has been suggested that reduced availability of non-structural carbohydrates (NSC) critically increases mortality risk through insufficient carbon supply to metabolism (?carbon starvation?)7, 8. However, little is known about how NSC stores are affected by drought, especially over the long term, and whether they are more important than hydraulic processes in determining drought-induced mortality. Using data from the world?s longest-running experimental drought study in tropical rainforest (in the Brazilian Amazon), we test whether carbon starvation or deterioration of the water-conducting pathways from soil to leaf trigger tree mortality. Biomass loss from mortality in the experimentally droughted forest increased substantially after >10 years of reduced soil moisture availability. The mortality signal was dominated by the death of large trees, which were at a much greater risk of hydraulic deterioration than smaller trees. However, we find no evidence that the droughted trees suffered carbon starvation, as their NSC concentrations were similar to those of non-droughted trees, and growth rates did not decline in either living or dying trees. Our results indicate that hydraulics, rather than carbon starvation, triggers tree death from drought in tropical rainforest. |
|
Palavras-Chave: |
Ecossistema ecológico; Morte. |
|
Thesagro: |
Árvore; Floresta Tropical; Mudança Climática; Seca. |
|
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
|
Marc: |
LEADER 02489naa a2200373 a 4500
001 2030428
005 2022-05-27
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1038/nature15539$2DOI
100 1 $aROWLAND, L.
245 $aDeath from drought in tropical forests is triggered by hydraulics not carbon starvation.$h[electronic resource]
260 $c2015
520 $aDrought threatens tropical rainforests over seasonal to decadal timescales1, 2, 3, 4, but the drivers of tree mortality following drought remain poorly understood5, 6. It has been suggested that reduced availability of non-structural carbohydrates (NSC) critically increases mortality risk through insufficient carbon supply to metabolism (?carbon starvation?)7, 8. However, little is known about how NSC stores are affected by drought, especially over the long term, and whether they are more important than hydraulic processes in determining drought-induced mortality. Using data from the world?s longest-running experimental drought study in tropical rainforest (in the Brazilian Amazon), we test whether carbon starvation or deterioration of the water-conducting pathways from soil to leaf trigger tree mortality. Biomass loss from mortality in the experimentally droughted forest increased substantially after >10 years of reduced soil moisture availability. The mortality signal was dominated by the death of large trees, which were at a much greater risk of hydraulic deterioration than smaller trees. However, we find no evidence that the droughted trees suffered carbon starvation, as their NSC concentrations were similar to those of non-droughted trees, and growth rates did not decline in either living or dying trees. Our results indicate that hydraulics, rather than carbon starvation, triggers tree death from drought in tropical rainforest.
650 $aÁrvore
650 $aFloresta Tropical
650 $aMudança Climática
650 $aSeca
653 $aEcossistema ecológico
653 $aMorte
700 1 $aCOSTA, A. C. L. da
700 1 $aGALBRAITH, D. R.
700 1 $aOLIVEIRA, R. S.
700 1 $aBINKS, O. J.
700 1 $aOLIVEIRA, A. A. R.
700 1 $aPULLEN, A. M.
700 1 $aDOUGHTY, C. E.
700 1 $aMETCALFE, D. B.
700 1 $aVASCONCELOS, S. S.
700 1 $aFERREIRA, L. V.
700 1 $aMALHI, Y.
700 1 $aGRACE, J.
700 1 $aMENCUCCINI, M.
700 1 $aMEIR, P.
773 $tNature$gv. 528, N. 7580, p. 119-122, 3 Dec. 2015.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Amazônia Oriental (CPATU) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
