Acta Amazonica 51(3) 2021 - Summary
   
Issues: 51-3 Agronomy and Forestry PDF
Title: Long-term effects of plant spacing on the growth and morphometry of Bertholletia excelsa
Authors: Rafael Gonçalves de OLIVEIRA, Alex Soares de SOUZA, Victor Alexandre Hardt Ferreira dos SANTOS, Roberval Monteiro Bezerra de LIMA, Marciel José FERREIRA
Keywords: Brazil-nut tree, silviculture, spacing, growth, productive plantation
DOI http://dx.doi.org/10.1590/1809-4392202003611

   
Issues: 51-3 Agronomy and Forestry PDF
Title: Fermentation profile and chemical composition of cassava root silage
Authors: Juliana Schuch PITIRINI, Rosana Ingrid Ribeiro dos SANTOS, Francy Manoely da Silva LIMA, Ilano Silva Braga do NASCIMENTO, Jehmison de Oliveira BARRADAS, Cristian FATURI, Aníbal Coutinho do RÊGO, Thiago Carvalho da SILVA
Keywords: ensiling, feed conservation, fermentation, Manihot esculanta, sustainable crops
DOI http://dx.doi.org/10.1590/1809-4392202004410

   
Issues: 51-3 Agronomy and Forestry PDF
Title: Assessing reduction of cluster size to estimate wood volume in an Amazonian forest
Authors: Nivea Maria Mafra RODRIGUES, Hassan Camil DAVID, Gabriel William Dias FERREIRA, Emanuel José Gomes ARAÚJO, Vinícius Augusto MORAIS
Keywords: National Forest Inventory, merchantable volume, precision, accuracy, Amazonian timber species
DOI http://dx.doi.org/10.1590/1809-4392202003131

   
Issues: 51-3 Animal and Fisheries Sciences PDF
Title: Effect of enzymatic complex in the diet of pirarucu, Arapaima gigas juveniles
Authors: Julliana de Castro LIMA, Marianne SCHORER, José Fernando Bibiano MELO, Luís Gustavo Tavares BRAGA
Keywords: additive, carnivorous fish, enzymes, enzymatic activity, metabolism, digestibility
DOI http://dx.doi.org/10.1590/1809-4392202003151

   
Issues: 51-3 Biodiversity and Conservation PDF
Title: Orchid bees in riparian and terra-firme forest fragments in an urban matrix in southwestern Brazilian Amazonia
Authors: Maria Eliene Maia Braga CÂNDIDO, Patrícia Nakayama MIRANDA, Elder Ferreira MORATO
Keywords: Euglossini, forest fragmentation, pollination, urban landscape
DOI http://dx.doi.org/10.1590/1809-4392202003781

   
Issues: 51-3 Biodiversity and Conservation PDF
Title: Completeness of rapid assessments of medium and large mammal diversity in the northwestern Amazon in Colombia
Authors: Darwin M. MORALES-MARTÍNEZ, Natalia ATUESTA-DIMIAN, Daniela MARTÍNEZ-MEDINA, Diego R. GUTIÉRREZ-SANABRIA, Miguel E. RODRÍGUEZ-POSADA
Keywords: camera trapping, neotropics, rainforest, sampling effort, satellite species, species richness
DOI http://dx.doi.org/10.1590/1809-4392202100741

   
Issues: 51-3 Biodiversity and Conservation PDF
Title: Multi-taxa ecological responses to habitat loss and fragmentation in western Amazonia as revealed by RAPELD biodiversity surveys
Authors: Gabriel M. MOULATLET, Emmanuel AMBRIZ, Jennifer GUEVARA, Karima G. LÓPEZ, Marina RODES-BLANCO, Nereida GUERRA-ARÉVALO, H. Mauricio ORTEGA-ANDRADE, Pablo MENESES
Keywords: deforestation, Ecuador, species distribution, tropical forests
DOI http://dx.doi.org/10.1590/1809-4392202004532

   
Issues: 51-3 Biodiversity and Conservation PDF
Title: Two new species of rust fungi (Pucciniales) from the Brazilian Amazon: Aecidium margaritariae on Margaritaria and Uromyces amapaensis on Jatropha
Authors: Patrícia Maria Piovezan OLIVEIRA, Helen Maria Pontes SOTÃO, Gabriely Serrão FREIRE, Josiane Santana MONTEIRO
Keywords: Basidiomycota, Brazil, Euphorbiaceae, Phyllanthaceae, Pucciniomycetes
DOI http://dx.doi.org/10.1590/1809-4392202100441

   
Issues: 51-3 Biodiversity and Conservation PDF
Title: Putative poison gland in the thorny catfish Acanthodoras spinosissimus (Siluriformes: Doradidae)
Authors: Jefferson G. SODRÉ, Talles R. COLAÇO-FERNANDES, Lúcia H. RAPP PY-DANIEL, José L. O. BIRINDELLI, Jansen ZUANON
Keywords: Amazon basin, defense, venom gland, freshwater
DOI http://dx.doi.org/10.1590/1809-4392202101350

   
Issues: 51-3 Biodiversity and Conservation PDF
Title: First record of helminths parasitizing Vanellus chilensis (Aves, Charadriiformes) in Acre state, southwestern Brazilian Amazon
Authors: Leandro Siqueira de SOUZA, Leilandio Siqueira De SOUZA, Edson GUILHERME, Francisco Glauco de Araújo SANTOS
Keywords: endoparasites, wild birds, Nematoda, Cestoda, coproparasitology
DOI http://dx.doi.org/10.1590/1809-4392202100690

   
Issues: 51-3 Chemistry and Pharmacology PDF
Title: In vitro and in vivo activity of a hypotoxic copper(I) complex against dermotropic Leishmania species
Authors: Ana Flávia da Silva CHAGAS, Marina PORCHIA, Thaís Pinto NASCIMENTO, Carolina Nunes Souza CORREA, Anny Maíza Vargas BRASIL, Antonia Maria Ramos FRANCO
Keywords: leishmaniasis, treatment, metallic complex, antileishmanial activity
DOI http://dx.doi.org/10.1590/1809-4392202100920

   
Issues: 51-3 Environmental Sciences PDF
Title: Strong El Niño reduces fruit production of Brazil-nut trees in the eastern Amazon
Authors: Dayane Nathália Barbosa PASTANA, Érica de Souza MODENA, Lúcia Helena de Oliveira WADT, Ezaquiel de Souza NEVES, Lucieta Guerreiro MARTORANO, Ana Cláudia LIRA-GUEDES, Rafael Lucas Figueiredo de SOUZA, Felipe Felix COSTA, Anderson Pedro Bernardina BATISTA, Marcelino Carneiro GUEDES
Keywords: Bertholletia excelsa, climate variability, Oceanic Niño Index (ONI), productivity
DOI http://dx.doi.org/10.1590/1809-4392202003702