Acta Amazonica 53(1) - Summary
   
Issues: 53-1 Agronomy and Forestry
Title: Volumetric yield coefficient: the key to regulating virtual credits for Amazon wood  
Authors: Kauanna Domingues Cabral de ANDRADE, Ana Paula Ferreira dos SANTOS, Fabiano EMMERT, Joaquim dos SANTOS, Adriano José Nogueira LIMA, Niro HIGUCHI  
Keywords: forest origin document, sawn wood, residue, forest management PDF
DOI http://dx.doi.org/10.1590/1809-4392202101602

   
Issues: 53-1 Agronomy and Forestry
Title: Growth and functional leaf traits of coppice regrowth of Bertholletia excelsa during an El Niño event in the central Amazon  
Authors: Saine Leonam Kador FORTES, José Francisco de Carvalho GONÇALVES, Karen Cristina Pires da COSTA, Jussara de Souza LOPES, Marciel José FERREIRA, Roberval Monteiro Bezerra de LIMA, Adamir da Rocha NINA JUNIOR  
Keywords: Brazil nut tree, drought, plant stress, silviculture, sprout, tree physiology PDF
DOI http://dx.doi.org/10.1590/1809-4392202103653

   
Issues: 53-1 Agronomy and Forestry
Title: Parasitism of Automeris liberia (Lepidoptera: Saturniidae) by tachinids (Diptera: Tachinidae) in oil palm in the Brazilian Amazon  
Authors: Kelly Barbosa da SILVA, Chryslane Barbosa da SILVA, Henrique Fonseca GOULART, Ricardo Salles TINÔCO, Jose Malta de SOUZA, Gilson Sanchez CHIA, Carlos Henrique GARCIA, Ronaldo TOMA, Elio Cesar GUZZO  
Keywords: Belvosia, Leptostylum, Exoristinae, Blondeliini, Goniini PDF
DOI http://dx.doi.org/10.1590/1809-4392202201361

   
Issues: 53-1 Animal and Fisheries Sciences
Title: Mansoa alliacea extract improves the growth performance and innate immune response of Arapaima gigas challenged with Aeromonas hydrophila and handling stress  
Authors: Marcia Kelly Reis DIAS, Eliane Tie Oba YOSHIOKA, Anselmo Fortunato Ruiz RODRIGUEZ, Ricardo Amaral RIBEIRO, Caio Pinho FERNANDES, Rodrigo Otávio Almeida OZÓRIO, Marcos TAVARES-DIAS  
Keywords: diet, immunostimulant; freshwater fish; nutrition; herbal therapy PDF
DOI http://dx.doi.org/10.1590/1809-4392202101231

   
Issues: 53-1 Animal and Fisheries Sciences
Title: Effect of natural food consumption on the first phase of pirarucu grow-out in ponds and cages  
Authors: Hyago Jovane Borges de OLIVEIRA, Adriana Ferreira LIMA, Lorhane Caroline Ferreira da LAPA, Hygo Jovane Borges de OLIVEIRA, Flávia Tavares de MATOS, Alex Pires de Oliveira NUÑER  
Keywords: Arapaima gigas, intensive and semi-intensive production system, economic efficiency PDF
DOI http://dx.doi.org/10.1590/1809-4392202201041

   
Issues: 53-1 Biodiversity and Conservation
Title: Hotspots and hotmoments of wildlife roadkills along a main highway in a high biodiversity area in Brazilian Amazonia  
Authors: Lício Mota da ROCHA, Clarissa ROSA, Helio SECCO, Edson Varga LOPES  
Keywords: fauna-vehicle collisions, road ecology, conservation, mortality PDF
DOI http://dx.doi.org/10.1590/1809-4392202201871

   
Issues: 53-1 Biodiversity and Conservation
Title: A new species of the genus Aegidium Westwood (Coleoptera: Scarabaeidae: Orphninae) from Peru  
Authors: Luis FIGUEROA, Julián CLAVIJO-BUSTOS, Jhon César NEITA MORENO  
Keywords: Amazon, Neotropical region, scarab beetle, taxonomy PDF
DOI http://dx.doi.org/10.1590/1809-4392202201980

   
Issues: 53-1 Biodiversity and Conservation
Title: New records of Geastrum (Geastrales, Basidiomycota) for the Amazon  
Authors: Íkaro Luiz Ferreira Santos de FREITAS, Jefferson dos Santos GÓIS, Julimar Freire de FREITAS-NETO, Nathalia Mendonça de ASSIS, Flávia Rodrigues BARBOSA, Iuri Goulart BASEIA  
Keywords: Brazilian funga, biodiversity, neotropical fungi, taxonomy, gasteroid fungi PDF
DOI http://dx.doi.org/10.1590/1809-4392202201541

   
Issues: 53-1 Biodiversity and Conservation
Title: Two records of xanthism in Corallus hortulana (Serpentes: Boidae) in Bolivia with comments on the yellow, patternless morphotype  
Authors: Luis Rolando RIVAS, Cord B. EVERSOLE, Ashton V. CROCKER, Randy L. POWELL  
Keywords: snakes, polychromatism, chromatic aberrancies, Amazon PDF
DOI http://dx.doi.org/10.1590/1809-4392202201612

   
Issues: 53-1 Environmental Sciences
Title: Microplastic occurrence in fish species from the Iquitos region in Peru, western Amazonia  
Authors: Rommel R. ROJAS, Carlos ARANGO-MORA, Christian NOLORBE-PAYAHUA, Mishelly MEDINA, Melly VASQUEZ, Josias FLORES, Fiorela MURAYARI, Claudia VÁSQUEZ, Valeri de ALMEIDA, Wilfredo RAMOS, Enrique RIOS ISERN, Jorge MARAPARA DEL AGUILA, Juan C. CASTRO, Javier DEL ÁGUILA, Felicia DIAZ JARAMA, Maria VASCONCELOS-SOUZA  
Keywords: fish diversity; fibers; freshwater conservation; Loreto; river pollution PDF
DOI http://dx.doi.org/10.1590/1809-4392202201212

   
Issues: 53-1 Environmental Sciences
Title: Impacts of scenarios RCP4.5 and RCP8.5 on plant physiology in Tapajos National Forest in the Brazilian Amazon using the ED2.2 model  
Authors: Luciana Cristina de Sousa VIEIRA, Antonio Ocimar MANZI, Vicente de Paula SILVA, Prakki SATYAMURTY, Vanessa de Almeida DANTAS, Aldeize da Silva SANTOS  
Keywords: biomass, climate change, IPCC, leaf PDF
DOI http://dx.doi.org/10.1590/1809-4392202103184