Acta Amazonica 49(1) 2019 - Summary
   
Issues: 49-1 Agronomy and Forestry PDF
Title: Relevance of wood anatomy and size of Amazonian trees in the determination and allometry of sapwood area
Authors: Luiza Maria Teophilo APARECIDO, Joaquim dos SANTOS, Niro HIGUCHI, Norbert KUNERT
Keywords: ecohydrology, active xylem, tyloses, vessels, Brazilian Amazon
DOI http://dx.doi.org/10.1590/1809-4392201800961

   
Issues: 49-1 Animal and Fisheries Science PDF
Title: Feeding frequency affects feed intake and growth in juvenile pirarucu (Arapaima gigas)
Authors: Ana Paula Oeda RODRIGUES, Adriana Ferreira LIMA, Caniggia Lacerda ANDRADE, Rafaella Machado dos Santos de MEDEIROS
Keywords: feed management, feed utilization, feeding practice, Osteoglossiformes
DOI http://dx.doi.org/10.1590/1809-4392201802442

   
Issues: 49-1 Biodiversity and Conservation PDF
Title: A new termite species of the genus Dihoplotermes Araújo (Blattaria, Isoptera, Termitidae) from the Brazilian Amazonian rainforest
Authors: Renato Almeida de AZEVEDO, Cristian de Sales DAMBROS, José Wellington de MORAIS
Keywords: gizzard, soil fauna, taxonomy, termite, Termitinae
DOI http://dx.doi.org/10.1590/1809-4392201800582

   
Issues: 49-1 Biodiversity and Conservation PDF
Title: Predation of an American fruit-eating bat (Artibeus sp.) by an Amazon tree boa (Corallus hortulanus) in the northern Brazilian Amazon
Authors: William Douglas de CARVALHO, Saulo Meneses SILVESTRE, Karen MUSTIN, Renato Richard HILÁRIO, José Júlio de TOLEDO
Keywords: Amazonian savanna; defense behavior; PPBio; Lavrados of Roraima
DOI http://dx.doi.org/10.1590/1809-4392201801921

   
Issues: 49-1 Biodiversity and Conservation PDF
Title: Foliar anatomy of Rhynchosia spp. (Leguminosae, Papilionoideae) from Roraima state, northern Brazilian Amazon
Authors: Andréia Silva FLORES, Eduardo de Souza COSTA, Germana Bueno DIAS
Keywords: Fabaceae, Phaseoleae, morphology, leaf anatomy, Neotropics
DOI http://dx.doi.org/10.1590/1809-4392201801691

   
Issues: 49-1 Biodiversity and Conservation PDF
Title: New records of three Neotropical arboreal ant species of Camponotus, subgenus Dendromyrmex (Hymenoptera: Formicidae) for the southern Amazon, including biological information
Authors: Ricardo Eduardo VICENTE, Diego FERREIRA-SILVA, Mendelson GUERREIRO DE LIMA
Keywords: distribution, Formicinae, Camponotus chartifex, Camponotus nidulans, Camponotus apicalis, winged ants
DOI http://dx.doi.org/10.1590/1809-4392201801951

   
Issues: 49-1 Chemistry and Pharmacology PDF
Title: Evaluation of the antioxidant potential of Copaifera multijuga in Ehrlich tumor-bearing mice
Authors: Ana Paula Simões da CUNHA, Luana BALDISSERA, Débora Linsbinski PEREIRA, Lucineia Reuse ALBIERO, Lindsey CASTOLDI, Adilson Paulo SINHORIN, Valéria Dornelles Gindri SINHORIN
Keywords: solid tumor, oxidative stress, free radicals, copaiba, antineoplasic
DOI http://dx.doi.org/10.1590/1809-4392201800672

   
Issues: 49-1 Chemistry and Pharmacology PDF
Title: Phenolic compounds from Virola venosa (Myristicaceae) and evaluation of their antioxidant and enzyme inhibition potential
Authors: Kamila Rangel Primo FERNANDES, Paulo Senna BITTERCOURT, Afonso Duarte Leão de SOUZA, Antonia Queiroz Lima de SOUZA, Felipe Moura Araújo da SILVA, Emerson Silva LIMA, Leonard Domingo Rosales ACHO, Rita de Cássia Saraiva NUNOMURA, Ana Frazão TEIXEIRA, Hector Henrique Ferreira KOOLEN
Keywords: α-glucosidase inhibition, antioxidant compounds, ferulic acid, Amazon
DOI http://dx.doi.org/10.1590/1809-4392201800832

   
Issues: 49-1 Environmental Sciences PDF
Title: Hydrological calibration and validation of the MGB-IPH model for water resource management in the upper Teles Pires River basin in the Amazon-Cerrado ecotone in Brazil
Authors: Riene Filgueiras de OLIVEIRA, Cornélio Alberto ZOLIN, Daniel de Castro VICTORIA, Tarcio Rocha LOPES, Laurimar Gonçalves VENDRUSCULO, Janaina PAULINO.
Keywords: water resource management, hydrologic simulation, sustainability, Brazilian agriculture frontier
DOI http://dx.doi.org/10.1590/1809-4392201800812

   
Issues: 49-1 Food Sciences PDF
Title: Diversity of yeasts during fermentation of cocoa from two sites in the Brazilian Amazon
Authors: Silvana de F. Oliveira de ALMEIDA, Letícia R Carvalho SILVA, Gilson Celso A. Chagas JUNIOR, Guilherme OLIVEIRA, Silvia Helena Marques da SILVA, Santelmo VASCONCELOS, Alessandra Santos LOPES
Keywords: accession; molecular identification; cocoa beans; Pichia Manshurica; Saccharomyces cerevisiae; Theobroma cacao
DOI http://dx.doi.org/10.1590/1809-4392201703712

   
Issues: 49-1 Health Sciences PDF
Title: First record of Aedes (Stegomyia) albopictus in the state of Amapá, northern Brazil
Authors: Jose Ferreira SARAIVA, Ahana MAITRA, Allan Kardec Ribeiro GALARDO, Vera Margarete SCARPASSA
Keywords: arboviruses; dengue; yellow fever; mosquitoes
DOI http://dx.doi.org/10.1590/1809-4392201802771

   
Issues: 49-1 Materials Technology PDF
Title: Alternative vibro-dynamic compression processing of wood-cement composites using Amazonian wood
Authors: Vinicius Gomes de CASTRO, Rafael da Rosa AZAMBUJA, Carlos Frederico Alice PARCHEN, Setsuo IWAKIRI
Keywords: CA factor; Eschweilera coriaceae; Swartzia recurva; Manilkara amazonica; Pouteria guianensis
DOI http://dx.doi.org/10.1590/1809-4392201800192