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Registro Completo |
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
22/11/2002 |
Data da última atualização: |
22/11/2002 |
Autoria: |
CARDOSO, J. E. |
Título: |
Doencas do feijoeiro causados por patogenos de solo |
Ano de publicação: |
1990 |
Fonte/Imprenta: |
Goiania: EMBRAPA-CNPAF, 1990 |
Páginas: |
30p. |
Idioma: |
Português |
Categoria do assunto: |
-- |
Marc: |
LEADER 00287nam a2200109 a 4500 001 1329612 005 2002-11-22 008 1990 bl uuuu u0uu1 u #d 100 1 $aCARDOSO, J. E. 245 $aDoencas do feijoeiro causados por patogenos de solo 260 $aGoiania: EMBRAPA-CNPAF$c1990 300 $a30p.
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Registro Completo
Biblioteca(s): |
Embrapa Amapá. |
Data corrente: |
16/12/2020 |
Data da última atualização: |
16/12/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
DANTAS, A. R.; LIRA-GUEDES, A. C.; GUEDES, M. C.; PIEDADE, M. T. F.; BATISTA, A. P. B. |
Afiliação: |
ADELSON ROCHA DANTAS, INPA; ANA CLAUDIA LIRA GUEDES, CPAF-AP; MARCELINO CARNEIRO GUEDES, CPAF-AP; MARIA TERESA FERNANDEZ PIEDADE, INPA. |
Título: |
Population dynamics of Attalea excelsa (Arecaceae) in floodplain forest of the Amazonian Estuary. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Journal of Tropical Forest Science, v. 32, n. 2, p. 105-113, 2020. |
Idioma: |
Inglês |
Conteúdo: |
Attalea excelsa (urucurizeiro) is a dominant palm of the estuarine floodplains, with great potential for nontimber management. This study evaluated the population dynamics of urucurizeiro and the factors that contribute to colonising of this species in a flooded environment. Individuals with base height circumference ≥ 30 cm in 2011 and 2014 were measured in 55.95 ha of floodplain forest in southern Amapá, Brazil. The parameters of population dynamics (mortality, recruitment and growth) in high and low floodplain environments were determined. Ripley?s K function was used to analyse the spatial distribution. Population density in 2011 was 3.99 individual ha-1, and in 2014 the density increased to 4.09 individual ha-1. Mortality rate was zero and the recruitment rate was 1.05% year-1. Basal area in 2011 was 0.49 m² ha-1 and in 2014, it reached 0.72 m² ha-1. Diameter growth rate was 5.32 cm year-1. The population presented an aggregate distribution pattern. Structural differences in diameter (F = 9.15, p = 0.003) and basal area (F = 10.7, p = 0.001) were evident between high and low floodplain forests. The increase in diameter was higher in low floodplain (3.98 cm year-1) compared with high floodplain (1.35 cm year-1). The patterns shown by A. excelsa are reflections of its high adaptation to the daily flooded environment. |
Palavras-Chave: |
Aggregate distribution; Flood gradient; Palm; Ripley's K function. |
Thesagro: |
Urucum. |
Thesaurus NAL: |
Mortality; Topography. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219329/1/CPAF-AP-2020-Population-dynamics-of-attalea.pdf
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Marc: |
LEADER 02096naa a2200253 a 4500 001 2128301 005 2020-12-16 008 2020 bl uuuu u00u1 u #d 100 1 $aDANTAS, A. R. 245 $aPopulation dynamics of Attalea excelsa (Arecaceae) in floodplain forest of the Amazonian Estuary.$h[electronic resource] 260 $c2020 520 $aAttalea excelsa (urucurizeiro) is a dominant palm of the estuarine floodplains, with great potential for nontimber management. This study evaluated the population dynamics of urucurizeiro and the factors that contribute to colonising of this species in a flooded environment. Individuals with base height circumference ≥ 30 cm in 2011 and 2014 were measured in 55.95 ha of floodplain forest in southern Amapá, Brazil. The parameters of population dynamics (mortality, recruitment and growth) in high and low floodplain environments were determined. Ripley?s K function was used to analyse the spatial distribution. Population density in 2011 was 3.99 individual ha-1, and in 2014 the density increased to 4.09 individual ha-1. Mortality rate was zero and the recruitment rate was 1.05% year-1. Basal area in 2011 was 0.49 m² ha-1 and in 2014, it reached 0.72 m² ha-1. Diameter growth rate was 5.32 cm year-1. The population presented an aggregate distribution pattern. Structural differences in diameter (F = 9.15, p = 0.003) and basal area (F = 10.7, p = 0.001) were evident between high and low floodplain forests. The increase in diameter was higher in low floodplain (3.98 cm year-1) compared with high floodplain (1.35 cm year-1). The patterns shown by A. excelsa are reflections of its high adaptation to the daily flooded environment. 650 $aMortality 650 $aTopography 650 $aUrucum 653 $aAggregate distribution 653 $aFlood gradient 653 $aPalm 653 $aRipley's K function 700 1 $aLIRA-GUEDES, A. C. 700 1 $aGUEDES, M. C. 700 1 $aPIEDADE, M. T. F. 700 1 $aBATISTA, A. P. B. 773 $tJournal of Tropical Forest Science$gv. 32, n. 2, p. 105-113, 2020.
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