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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
19/05/2015 |
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Data da última atualização: |
31/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ARRUDA, C. C. B.; SILVA, M. B.; SEBBENN, A. M.; KANASHIRO, M.; LEMES, M. R.; GRIBEL, R. |
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Afiliação: |
C. C. B. Arruda, UFPA; M. B. Silva, UFPA; A. M. Sebbenn, INSTITUTO FLORESTAL DE SÃO PAULO; MILTON KANASHIRO, CPATU; M. R. Lemes, INPA / Instituto de Pesquisas Jardim Botânico do Rio de Janeiro; R. Gribel, INPA / Instituto de Pesquisas Jardim Botânico do Rio de Janeiro. |
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Título: |
Mating system and genetic diversity of progenies before and after logging: a case study of Bagassa guianensis (Moraceae), a low-density dioecious tree of the Amazonian forest. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Tree Genetics & Genomes, v. 11, n. 1, Feb. 2015. |
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DOI: |
10.1007/s11295-015-0837-2 |
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Idioma: |
Inglês |
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Conteúdo: |
The logging of large trees in tropical forests causes a decrease in the density of reproductive individuals, which likely affects the pattern of pollen dispersal and the mating system of the remaining trees in the population. Here, we investigate the impact of logging on mating system and genetic diversity of the low-density, thrip-pollinated, dioecious tree Bagassa guianensis within a 500-ha plot at Tapajos National Forest, Para State, Brazil. Mating system parameters of the logged population were estimated using mixed-mating model. Six microsatellite loci were used to genotype 232 seeds from ten remnant female trees over three seasons (2006, 2007, and 2008). The data were compared with the mating system of the unlogged population of B. guianensis (18 female trees, 488 seeds) in the same plot. The overall number of alleles found in the open-pollinated progenies decreased after logging (K-71 before logging and K-57 after logging, considering the three after logging seasons pooled), as well as the average number of alleles per locus (A - 11.8 and 9.5, respectively). Similarly, the number of private alleles, which is defined in the context of this study as the number of alleles observed in the population exclusively before or after logging, also decreased after logging (15 and 1, respectively). However, the average number of alleles per locus and the observed and expected heterozygosities were not significantly higher before logging than after logging. Logging also did not affect the inbreeding of progenies in the population. Somewhat unexpectedly, the effective number of pollen donors was consistently higher after (N-ep = 14.5 in 2006, 8.1 in 2007, and 6.3 in 2008) than before logging (N-ep = 3.4), suggesting that the loss of alleles in the population was compensated by the higher heterogeneity in the pollen pool after the removal of the largest trees by logging. Potential causes explaining the patterns found here include the maintenance of large patches of forest around the logged plot and the species' ability to perform long-distance pollination by airborne thrips. Maintenance of landscape integrity as logged and unlogged forests around the exploited areas is recommended to enhance pollen migration and to avoid long-term losses in genetic diversity. MenosThe logging of large trees in tropical forests causes a decrease in the density of reproductive individuals, which likely affects the pattern of pollen dispersal and the mating system of the remaining trees in the population. Here, we investigate the impact of logging on mating system and genetic diversity of the low-density, thrip-pollinated, dioecious tree Bagassa guianensis within a 500-ha plot at Tapajos National Forest, Para State, Brazil. Mating system parameters of the logged population were estimated using mixed-mating model. Six microsatellite loci were used to genotype 232 seeds from ten remnant female trees over three seasons (2006, 2007, and 2008). The data were compared with the mating system of the unlogged population of B. guianensis (18 female trees, 488 seeds) in the same plot. The overall number of alleles found in the open-pollinated progenies decreased after logging (K-71 before logging and K-57 after logging, considering the three after logging seasons pooled), as well as the average number of alleles per locus (A - 11.8 and 9.5, respectively). Similarly, the number of private alleles, which is defined in the context of this study as the number of alleles observed in the population exclusively before or after logging, also decreased after logging (15 and 1, respectively). However, the average number of alleles per locus and the observed and expected heterozygosities were not significantly higher before logging than after logging. Logging also did not aff... Mostrar Tudo |
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Palavras-Chave: |
Amazonian timber species; Diversidade genética; Microsatellite markers; Reducedimpact logging; Tapajós National Forest. |
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Thesagro: |
Madeira; Tatajuba. |
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Thesaurus Nal: |
Amazonia; Forest management. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 03261naa a2200301 a 4500
001 2015674
005 2022-05-31
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1007/s11295-015-0837-2$2DOI
100 1 $aARRUDA, C. C. B.
245 $aMating system and genetic diversity of progenies before and after logging$ba case study of Bagassa guianensis (Moraceae), a low-density dioecious tree of the Amazonian forest.$h[electronic resource]
260 $c2015
520 $aThe logging of large trees in tropical forests causes a decrease in the density of reproductive individuals, which likely affects the pattern of pollen dispersal and the mating system of the remaining trees in the population. Here, we investigate the impact of logging on mating system and genetic diversity of the low-density, thrip-pollinated, dioecious tree Bagassa guianensis within a 500-ha plot at Tapajos National Forest, Para State, Brazil. Mating system parameters of the logged population were estimated using mixed-mating model. Six microsatellite loci were used to genotype 232 seeds from ten remnant female trees over three seasons (2006, 2007, and 2008). The data were compared with the mating system of the unlogged population of B. guianensis (18 female trees, 488 seeds) in the same plot. The overall number of alleles found in the open-pollinated progenies decreased after logging (K-71 before logging and K-57 after logging, considering the three after logging seasons pooled), as well as the average number of alleles per locus (A - 11.8 and 9.5, respectively). Similarly, the number of private alleles, which is defined in the context of this study as the number of alleles observed in the population exclusively before or after logging, also decreased after logging (15 and 1, respectively). However, the average number of alleles per locus and the observed and expected heterozygosities were not significantly higher before logging than after logging. Logging also did not affect the inbreeding of progenies in the population. Somewhat unexpectedly, the effective number of pollen donors was consistently higher after (N-ep = 14.5 in 2006, 8.1 in 2007, and 6.3 in 2008) than before logging (N-ep = 3.4), suggesting that the loss of alleles in the population was compensated by the higher heterogeneity in the pollen pool after the removal of the largest trees by logging. Potential causes explaining the patterns found here include the maintenance of large patches of forest around the logged plot and the species' ability to perform long-distance pollination by airborne thrips. Maintenance of landscape integrity as logged and unlogged forests around the exploited areas is recommended to enhance pollen migration and to avoid long-term losses in genetic diversity.
650 $aAmazonia
650 $aForest management
650 $aMadeira
650 $aTatajuba
653 $aAmazonian timber species
653 $aDiversidade genética
653 $aMicrosatellite markers
653 $aReducedimpact logging
653 $aTapajós National Forest
700 1 $aSILVA, M. B.
700 1 $aSEBBENN, A. M.
700 1 $aKANASHIRO, M.
700 1 $aLEMES, M. R.
700 1 $aGRIBEL, R.
773 $tTree Genetics & Genomes$gv. 11, n. 1, Feb. 2015.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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| Registros recuperados : 6 | |
| 3. |  | SILVA, E. H. F. M. da; KOTHARI, K.; PATTEY, E.; BATTISTI, R.; BOOTE, K. J.; ARCHONTOULIS, S. V.; CUADRA, S. V.; FAYE, B.; GRANT, B.; HOOGENBOOM, G.; JING, Q.; MARIN, F. R.; NENDEL, C.; QIAN, B.; SMITH, W.; SRIVASTAVA, A. K.; THORP, K. R.; VIEIRA JUNIOR, N. A.; SALMERÓN, M. Inter-comparison of soybean models for the simulation of evapotranspiration in a humid continental climate. Agricultural and Forest Meteorology, v. 365, 110463, Apr. 2025.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agricultura Digital. |
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| 4. | | KOTHARI, K.; SUYKER, A.; BATTISTI, R.; BOOTE, K. J.; ARCHONTOULIS, S.; CONSTANTIN, J.; CUADRA, S. V.; DEBAEKE, P.; ELLI, E. F.; FAYE, B.; FLEISHER, D.; GRANT, B.; HOOGENBOOM, G.; JING, Q.; KIMBALL, B.; LEUNG, F.; MARIN, F.; NENDEL, C.; QIAN, B.; SCHOVING, C. Inter-comparison of soybean models for simulation of evapotranspiration under rainfed and irrigated conditions. Agricultural and Forest Meteorology, v. 376, 110882, Jan. 2026.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agricultura Digital. |
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| 5. | | KOTHARI, K.; BATTISTI, R.; BOOTE, K. J.; ARCHONTOULIS, S. V.; CONFALONE, A.; CONSTANTIN, J.; CUADRA, S. V.; DEBAEKE, P.; FAYE, B.; GRANT, B.; HOOGENBOOM, G.; JING, Q.; VAN DER LAAN, M.; SILVA, F. A. M. da; MARIN, F. R.; NEHBANDANI, A.; NENDEL, C.; PURCELL, L. C.; QIAN, B.; RUANE, A. C.; SCHOVING, C.; SILVA, E. H. F. M.; SMITH, W.; SOLTANI, A.; SRIVASTAVA, A.; VIEIRA JÚNIOR, N. A.; SLONE, S.; SALMERÓN, M. Are soybean models ready for climate change food impact assessments? European Journal of Agronomy, v. 135, 126482, Apr. 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agricultura Digital; Embrapa Cerrados. |
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| 6. | | KOTHARI, K.; BATTISTI, R.; BOOTE, K. J.; ARCHONTOULIS, S. V.; CONFALONE, A.; CONSTANTIN, J.; CUADRA, S. V.; DEBAEKE, P.; FAYE, B.; GRANT, B.; HOOGENBOOM, G.; JING, Q.; VAN DER LAAN, M.; SILVA, F. A. M. da; MARIN, F. R.; NEHBANDANI, A.; NENDEL, C.; PURCELL, L. C.; QIAN, B.; RUANE, A. C.; SCHOVING, C.; SILVA, E. H. F. M.; SMITH, W.; SOLTANI, A.; SRIVASTAVA, A.; VIEIRA JÚNIOR, N. A.; SALMERÓN, M. Evaluating differences among crop models in simulating soybean in-season growth. Field Crops Research, v. 309, 109306, April 2024.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agricultura Digital; Embrapa Cerrados. |
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| Registros recuperados : 6 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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