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Registros recuperados: 7
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A comparative study of nutritional composition and potential use of some underutilized tropical fruits of Arecaceae Anais da ABC (AABC)
SILVA,RAQUEL B.; SILVA-JÚNIOR,EDVALDO V.; RODRIGUES,LAÍS C.; ANDRADE,LAISE H.C.; SILVA,SUZENE I. DA; HARAND,WOLFGANG; OLIVEIRA,ANTONIO F.M..
In this study, pulp and kernel of fruits from six Arecaceae species were subjected to proximate analysis, fatty acid composition and total carotenoid content analysis. The species with the highest carbohydrate, lipid and protein values were Ptychosperma macarthurii(70.1 g/100 g in the kernel), Syagrus cearensis(40.6 g/100 g in the kernel), andS. coronata(20.6 g/100 g in the pulp). The ash content ranged from 0.61 to 7.51 g/100 g. Lauric, palmitic, and oleic acids were the major fatty acids identified. The total carotenoid contents and retinol activity equivalents were highest in the Pinanga kuhlii (180.3 µg/g) andAcrocomia intumescens (138.0 µg/g) pulp oils. Retinol activity equivalents varied between the investigated species (456 to 1515 μg RAE/100 g)....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biomass; Foods; Oleic acid; Palm trees.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000401701
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A model for the importance of large arborescent palms in the dynamics of seasonally-dry amazonian forests Biota Neotropica
Salm,Rodolfo; Jalles-Filho,Euphly; Schuck-Paim,Cynthia.
In this study we propose a model that represents the importance of large arborescent palms in the dynamics of seasonally-dry Amazonian forests. Specifically, the model is aimed at guiding the investigation of the role of large arborescent palms on forest regeneration and succession. Following disturbance, the high level of luminosity reaching recently formed forest gaps favors the quick proliferation of shade-intolerant lianas that, by casting shade on the crowns of mature forest trees and increasing tree-fall probability, suppress forest succession. Due to their columnar architecture palm trees are, however, not severely affected by vines. As the palms grow, the canopy at the gaps becomes gradually higher and denser, progressively obstructing the passage...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon; Attalea maripa; Forest dynamics; Palm trees; Regeneration.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000300011
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Controlled pollination for interspecific hybrid American Oil Palm vs Oil Palm seed production. Repositório Alice
CYSNE, A. Q.; LIMA, W. A. A. de; KRUG, C..
Polinização controlada para produção de sementes híbridas interespecíficas de caiaué vs dendê. O híbrido interespecífico caiaué vs dendê possui características superiores as quais podem ser exploradas comercialmente. Assim, este trabalho teve como objetivo avaliar o efeito da quantidade de pólen, repetição de aplicação e períodos climáticos na produção de sementes híbridas entre essas espécies.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Elaeis guineensis; Elaeis oleifera; Palm trees; Pollen; Palmeiras; Pólen; Palma de óleo.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1059748
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Grazing behavior and spatial distribution of feces of Young bulls in silvopastoral systems and Marandu monoculture in the Pre-Amazon region Animal Sciences
Araújo, Ricardo Alves de; Rodrigues, Rosane Cláudia; Costa, Clésio dos Santos; Santos, Francisco Naysson de Sousa; Cutrim Júnior, José Antonio Alves; Jesus, Ana Paula Ribeiro de; Shigaki, Francirose; Araújo, Jocélio dos Santos.
The objective was to evaluate the grazing behavior and the spatial distribution of feces of F1 young bulls from the cross between Nellore and Guzera on pastures of Urochloa brizantha cv. Marandu in silvopastoral systems composed of babassu palm (Attalea speciosa) and Marandu monoculture in the Pre-Amazon region of the state of Maranhão. Animals were evaluated in four systems consisting of 0, 80, 131, 160 palms ha-1, characterizing monoculture (mono), low density of palm trees (LD), medium density of palm trees (MD) and high density of palm trees (HD) during the rainy (RE) and dry (DE) periods. Five animals (repetitions) were used in each system, with 231-303 days of age and 180±15 kg body weight. Determinations of behavioral patterns were made by instant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.04.05.02-0 babassu; Sward structure; Dispersal; Idle; Palm trees; Rumination.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/33085
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Individual tree detection and species classification of Amazonian palms using UAV images and deep learning. Repositório Alice
FERREIRA, M. P.; ALMEIDA, D. R. A. de; PAPA, D. de A.; MINERVINO, J. B. S.; VERAS, H. F. P.; FORMIGHIERI, A.; SANTOS, C. A. N.; FERREIRA, M. A. D.; FIGUEIREDO, E. O.; FERREIRA, E. J. L..
Information regarding the spatial distribution of palm trees in tropical forests is crucial for commercial exploitation and management. However, spatially continuous knowledge of palms occurrence is scarce and difficult to obtain with conventional approaches such as field inventories. Here, we developed a new method to map Amazonian palm species at the individual tree crown (ITC) level using RGB images acquired by a low-cost unmanned aerial vehicle (UAV). Our approach is based on morphological operations performed in the score maps of palm species derived from a fully convolutional neural network model. We first constructed a labeled dataset by dividing the study area (135 ha within an old-growth Amazon forest) into 28 plots of 250 m×150 m. Then, we...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Palmeira; Palm trees; Mapeamento; Drone; Aerial surveys; Imagem RGB; DeepLabv3+; Bosques lluviosos; Madera tropical; Teledetección; Vehículos aéreos no tripulados; Fotografía aérea; Embrapa Acre; Rio Branco (AC); Acre; Amazônia Ocidental; Western Amazon; Amaz; Amazonia Occidental; Floresta Tropical; Espécie Nativa; Açaí; População de Planta; Biogeografia; Sensoriamento Remoto; Aerofotogrametria; Rain forests; Arecaceae; Euterpe precatoria; Tropical wood; Biogeography; Remote sensing; Unmanned aerial vehicles; Aerial photography.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1124129
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The importance of forest disturbance for the recruitment of the large arborescent palm Attalea maripa in a seasonally-dry Amazonian forest Biota Neotropica
Salm,Rodolfo.
The hypothesis that forest disturbance is important for the recruitment of the large arborescent palms Attalea maripa was tested with a natural experiment in the Pinkaití site (7º 46'S; 51º 57'W), a seasonally-dry Amazonian forest. A 8,000 m long trail, that crosses, in its lower half, an open forest along the Pinkaití stream bottomlands and, on its upper half, a dense forest on a hill, was divided in 160 0.15 ha (50x30 m) sampling units. At each unit, adult palms were counted and percentage of canopy openness was measured with a concave spherical densiometer. The palms were nearly five times more abundant at the bottomlands, whose forest had a canopy 14.8% more open than that of the hill; supporting the hypothesis that disturbance is important for their...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Attalea maripa; Forest dynamics; Palm trees; Forest regeneration.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000100004
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The invasive red palm mite, Raoiella indica Hirst (Acari: Tenuipalpidae), in Brazil: range extension and arrival into the most threatened area, the Northeast Region. Repositório Alice
MELO, J. W. S.; FERREIRA, D. N. M.; MENDES, J. A.; FILGUEIRAS, R. M. C.; TEODORO, A. V.; FERREIRA, J. M. S.; GUZZO, E. C.; SOUZA, I. V. de; MENDONÇA, R. S. de; CALVET, E. C.; PAZ NETO, A. A.; GONDIM JÚNIOR, M. G. C.; MORAIS, E. G. F. de; GODOY, M. S.; SANTOS, J. R. dos; SILVA, R. I. R.; SILVA, V. B. da; NORTE, R. F.; OLIVA, A. B.; SANTOS, R. D. P. dos; DOMINGOS, C. A..
bitstream/item/185505/1/The-invasive-red-palm-mite-Raoiella-indica-Hirst-Acari-Tenuipalpidae-in-Brazil-range-extension-and-arrival-into-the-most-threatened-area-the.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Invasive mite pest; Neotropics; Palm trees; South America; Coconuts; Bananas.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1098860
Registros recuperados: 7
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