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Registro Completo |
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Biblioteca(s): |
Embrapa Amapá. |
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Data corrente: |
22/01/2018 |
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Data da última atualização: |
22/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CUNHA, A. C. da; MUSTIN, K.; SANTOS, E. S. dos; SANTOS, E. W. G. dos; GUEDES, M. C.; CUNHA, H. F. A.; ROSMAN, P. C. C.; STERNBERG, L. da S. L. |
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Afiliação: |
ALAN CAVALCANTI DA CUNHA, Unifap; KAREN MUSTIN, Bolsista CPAF-AP; ELDO SILVA DOS SANTOS, Unifap; EWERTON WANDERSON GONCALVES DOS SANTOS, Unifap; MARCELINO CARNEIRO GUEDES, CPAF-AP; HELENILZA FERREIRA ALBUQUERQUE CUNHA, Unifap; PAULO CESAR COLONNA ROSMAN, COPPE; LEONEL DA SILVEIRA LOBO STERNBERG, University of Miami. |
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Título: |
Hydrodynamics and seed dispersal in the lower Amazon. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Freshwater Biology, p. 1-9, 2017. |
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DOI: |
10.1111/fwb.12982 |
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Idioma: |
Inglês |
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Conteúdo: |
The transport of seeds by water, i.e. hydrochory, is a key mechanism of long-distance dispersal constrained by the attributes of the seed and hydrodynamics. In the freshwater Amazon estuary, river hydrodynamics are influenced by seasonal changes in precipitation and tidal cycles. It is not known to what extent a hydrodynamic model may be able to predict seed dispersal. Here we parameterised a simulation model (SisBaHia) to estimate maximum seed dispersal distances per tidal cycle, which were then compared with data from in situ seed dispersal experiments. The study was conducted along a 27-km stretch of a tributary of the Amazon estuary, using the seeds of a widely distributed riparian tree?Carapa guianensis (Meliaceae). Based on the simulation model, maximum potential seed dispersal distance was higher in the rainy season (c. 8.7 km) when compared with the dry season (5.6 km), for one tidal cycle (12 hr). The seeds of C. guianensis were dispersed further during the ebb than flood tide during the rainy season, the period of seed dispersal. Average dispersal distances observed in seed dispersal experiments conducted during the rainy season, and those predicted by SisBaHia for the same period were within the same order of magnitude. The results of this study confirm that the period of higher precipitation provides favourable hydrological conditions for hydrochory in the Amazon river-estuary complex. The fact that the time taken for the tide to fall is longer in relation to the time taken for it to rise also favours the arrival of the seeds in the main channel of the Amazon, thereby increasing the probability of long-distance dispersal events. MenosThe transport of seeds by water, i.e. hydrochory, is a key mechanism of long-distance dispersal constrained by the attributes of the seed and hydrodynamics. In the freshwater Amazon estuary, river hydrodynamics are influenced by seasonal changes in precipitation and tidal cycles. It is not known to what extent a hydrodynamic model may be able to predict seed dispersal. Here we parameterised a simulation model (SisBaHia) to estimate maximum seed dispersal distances per tidal cycle, which were then compared with data from in situ seed dispersal experiments. The study was conducted along a 27-km stretch of a tributary of the Amazon estuary, using the seeds of a widely distributed riparian tree?Carapa guianensis (Meliaceae). Based on the simulation model, maximum potential seed dispersal distance was higher in the rainy season (c. 8.7 km) when compared with the dry season (5.6 km), for one tidal cycle (12 hr). The seeds of C. guianensis were dispersed further during the ebb than flood tide during the rainy season, the period of seed dispersal. Average dispersal distances observed in seed dispersal experiments conducted during the rainy season, and those predicted by SisBaHia for the same period were within the same order of magnitude. The results of this study confirm that the period of higher precipitation provides favourable hydrological conditions for hydrochory in the Amazon river-estuary complex. The fact that the time taken for the tide to fall is longer in relation to the... Mostrar Tudo |
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Palavras-Chave: |
Long-distance dispersal; Modelling; Simulation; Tidal river. |
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Thesagro: |
Carapa guianensis. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/171510/1/CPAF-AP-2017-Hydrodynamics-and-seed-dispersal.pdf
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Marc: |
LEADER 02429naa a2200277 a 4500
001 2086024
005 2018-01-22
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1111/fwb.12982$2DOI
100 1 $aCUNHA, A. C. da
245 $aHydrodynamics and seed dispersal in the lower Amazon.$h[electronic resource]
260 $c2017
520 $aThe transport of seeds by water, i.e. hydrochory, is a key mechanism of long-distance dispersal constrained by the attributes of the seed and hydrodynamics. In the freshwater Amazon estuary, river hydrodynamics are influenced by seasonal changes in precipitation and tidal cycles. It is not known to what extent a hydrodynamic model may be able to predict seed dispersal. Here we parameterised a simulation model (SisBaHia) to estimate maximum seed dispersal distances per tidal cycle, which were then compared with data from in situ seed dispersal experiments. The study was conducted along a 27-km stretch of a tributary of the Amazon estuary, using the seeds of a widely distributed riparian tree?Carapa guianensis (Meliaceae). Based on the simulation model, maximum potential seed dispersal distance was higher in the rainy season (c. 8.7 km) when compared with the dry season (5.6 km), for one tidal cycle (12 hr). The seeds of C. guianensis were dispersed further during the ebb than flood tide during the rainy season, the period of seed dispersal. Average dispersal distances observed in seed dispersal experiments conducted during the rainy season, and those predicted by SisBaHia for the same period were within the same order of magnitude. The results of this study confirm that the period of higher precipitation provides favourable hydrological conditions for hydrochory in the Amazon river-estuary complex. The fact that the time taken for the tide to fall is longer in relation to the time taken for it to rise also favours the arrival of the seeds in the main channel of the Amazon, thereby increasing the probability of long-distance dispersal events.
650 $aCarapa guianensis
653 $aLong-distance dispersal
653 $aModelling
653 $aSimulation
653 $aTidal river
700 1 $aMUSTIN, K.
700 1 $aSANTOS, E. S. dos
700 1 $aSANTOS, E. W. G. dos
700 1 $aGUEDES, M. C.
700 1 $aCUNHA, H. F. A.
700 1 $aROSMAN, P. C. C.
700 1 $aSTERNBERG, L. da S. L.
773 $tFreshwater Biology, p. 1-9, 2017.
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Registro original: |
Embrapa Amapá (CPAF-AP) |
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Biblioteca |
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| Registros recuperados : 11 | |
| 5. |  | CUNHA, A. C. da; SILVA, R. A. da; PEREIRA, J. D. B.; SANTOS, R. S. Efeitos da espessura da polpa, tamanho e peso de frutos de taperebá (Spondias monbin L.) sobre o parasitismo natural (Hymenoptera: Braconidae) em moscas-das-frutas (Diptera: Tephritidae). Revista de Agricultura, Piracicaba, v. 86, n. 2, p. 125-133, set. 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
| Biblioteca(s): Embrapa Amapá. |
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| 6. | | TAVARES-DIAS, M.; DIAS-JÚNIOR, M. B. F.; FLORENTINO, A. C.; SILVA, L. M. A.; CUNHA, A. C. da. Distribution pattern of crustacean ectoparasites of freshwater fish from Brazil. Revista Brasileira de Parasitologia Veterinária, Jaboticabal, v. 24, n. 2, p. 136-147, abr-jun. 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Amapá. |
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| 7. | | CUNHA, A. C. da; SANTOS, E. W. dos; SANTOS, E. S. dos; GUEDES, M. C.; OLIVEIRA, G. P.; BLANCO, C. C.; ROSMAN, P. C. C. Importância da hidrodinâmica na dispersão de sementes em sistemas florestais do Baixo Estuário Amazônico. In: SIMPÓSIO BRASILEIRO DE AGROPECUÁRIA SUSTENTÁVEL, 5., 2013, Viçosa, MG. Anais... Viçosa, MG: Universidade Federal de Viçosa.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Amapá. |
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| 8. | | OLIVEIRA, M. I. S. de; ALMEIDA, A. C. S.; VALADÃO, R. C.; RAMOS, G. D. M.; CUNHA, A. C. da; GASPAR, A.; COELHO, R. R.; COURI, S.; DAMASO, M. C. T. Seleção de microrganismos produtores de transglutaminase. Higiene Alimentar, São Paulo, v. 23, n. 170/171, p. 488, mar./abr. 2009. Edição dos Resumos do IV Congresso Latinoamericano e X Congresso Brasileiro de Higienistas Alimentos, III Encontro Nacional de Centros de Controle de Zoonoses, II Encontro do Sistema Brasileiro de Inspeção de Produtos de Origem Animal,...| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 9. | | CUNHA, A. C. da; MUSTIN, K.; SANTOS, E. S. dos; SANTOS, E. W. G. dos; GUEDES, M. C.; CUNHA, H. F. A.; ROSMAN, P. C. C.; STERNBERG, L. da S. L. Hydrodynamics and seed dispersal in the lower Amazon. Freshwater Biology, p. 1-9, 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Amapá. |
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| 10. | | FELIX NETO, J. da C.; SOUZA, L. J. de A.; ABREU, C. H. M. de; BÁRBARA, V. F.; CUNHA, H. F. A.; TAVARES-DIAS, M.; CUNHA, A. C. da. Impactos hidroclimáticos de curto prazo no padrão hidrodinâmico de Rio de Estuário Amazônico, Amapá (AP), Brasil. Revista Ibero-Americana de Ciências Ambientais, v. 12, n. 1, p. 161-179, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Amapá. |
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| 11. | | PINTO, C. A. D.; SILVA JÚNIOR, J. de A.; CUNHA, A. C. da; SILVA, J. F. B. R. da; D'OLIVEIRA, F. A. F.; SOUSA, L. H.; COSTA, A. C. L. da; NUNES, H. G. G. C.; ATAIDE, W. L. da S.; SILVA, S. P. A. da; RODRIGUES, H. J. B.; SOUZA FILHO, J. D. da. Índice de anomalia de chuva (IAC) e sua relação com os desastres naturais no leste da Amazônia. Revista Brasileira de Geografia Física, v. 15, n. 5, p. 2544-2572, 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| Registros recuperados : 11 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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