TOP RATED - Most accessed articles SINCE 2004

Nr. of accesses: 10582  
Issues: 45-2 Animal Science/Fishery-Resources
Title: Parasitismo em tambatinga (Colossoma macropomum x Piaractus brachypomus, Characidae) cultivados na Amazônia, Brasil  
Authors: Márcia Kelly Reis DIAS, Ligia Rigôr NEVES, Renata das Graças Barbosa MARINHO, Douglas Anadias PINHEIRO, Marcos TAVARES-DIAS  
Keywords: Agregação, cultivo, parasitos, peixe, sanidade PDF
DOI http://dx.doi.org/10.1590/1809-4392201400974

Nr. of accesses: 10576  
Issues: 34-4 NOTAS E COMUNICAÇÕES
Title: Novos registros de Phoetalia pallida (Brunner, 1865) para o Brasil e considerações sobre a variação cromática da espécie (Blattaria, Blaberidae, Blaberinae)  
Authors: LOPES, Sonia Maria; OLIVEIRA, Edivar Heeren de; ARAÚJO, Maria Carmosina de  
Keywords: Blattaria, Phoetalia pallida, Taxonomia, variação cromática PDF
DOI http://dx.doi.org/10.1590/S0044-59672004000400019

Nr. of accesses: 10571  
Issues: 15-4 ZOOLOGIA
Title: Neuroptera of the Amazon basin. Part II. Introduction and chrysopini.  
Authors: ADAMS, Phillip A; PENNY, Norman D.  
Keywords: Chrysopodes, Ceraeochrysa, Neosuarus. PDF

Nr. of accesses: 10565  
Issues: 54-3 Biodiversity and Conservation
Title: First Record of Kurzia media (Birge 1879) (Cladocera: Chydoridae) in Brazil with notes on the holotype  
Authors: ANDRADE, Daniel da Silva; ELMOOR-LOUREIRO, Lourdes Maria Abdu; SOUSA, Francisco Diogo Rocha; MUGNAI, Riccardo  
Keywords: biodiversity, Branchiopoda, Neotropical region, taxonomy, Amazonia PDF
DOI http://dx.doi.org/10.1590/1809-4392202402060

Nr. of accesses: 10564  
Issues: 45-1 Chemistry
Title: Yield of essential oil and safrole content based on fresh and dry biomass of long pepper in the Brazilian Amazon  
Authors: Jacson Rondinelli da Silva NEGREIROS, Daniela Popim MIQUELONI, Cleísa Brasil da Cunha CARTAXO  
Keywords: Piper hispidinervum, programa de melhoramento, extração de óleo PDF
DOI http://dx.doi.org/10.1590/1809-4392201400794

Nr. of accesses: 10561  
Issues: 54-2 Forum
Title: Economic, environmental and social threats of a mining exploration proposal on indigenous lands of Brazil  
Authors: PRASNIEWSKI, Victor M.; GONZÁLEZ-DAZA, William; ALVARENGA, Gabriela do Valle; SANTOS-SILVA, Lorhaine; TEIXIDO, Alberto L.; IZZO, Thiago J.  
Keywords: Amazon, biodiversity loss, disease, deforestation, ecosystem services, life quality PDF
DOI http://dx.doi.org/10.1590/1809-4392202301922

Nr. of accesses: 10559  
Issues: 10-3 ZOOLOGIA
Title: Aspectos de sistemática e morfologia de Schizodon fasciatus Agassiz, 1829, Rhytiodus microlepis Kner, 1859 e Rhytiodus argenteofuscus Kner 1829 (Osteichthyes, Characoidei, Anostomidae) do lago Janauacá – Amazonas  
Authors: SANTOS, Geraldo M. dos  
Keywords: morfologia, Schizodon fasciatus, Rhytiodus microlepis, Rhytiodus argenteofuscus, Janauacá PDF

Nr. of accesses: 10557  
Issues: 9-1 BOTÂNICA
Title: Revisão das espécies brasileiras do gênero Rheedia L. (Guttiferae)  
Authors: VAN DEN BERG, Maria Elizabeth  
Keywords: espécies, brasileiras, gênero, Rheedia, Guttiferae PDF

Nr. of accesses: 10557  
Issues: 50-1 Biodiversity and Conservation
Title: Habitat use, fruit consumption, and population density of the black-headed night monkey, Aotus nigriceps, in southeastern Peru  
Authors: William. D. HELENBROOK, Madison L. WILKINSON, Jessica A. SUAREZ  
Keywords: Amazon, primates, Aotidae, conservation, owl monkey, nocturnal, habitat PDF
DOI http://dx.doi.org/10.1590/1809-4392201900172

Nr. of accesses: 10556  
Issues: 10-2 GENÉTICA
Title: Diferenças cromossômicas entre espécies e populações de Anopheles  
Authors: TADDEI, W. P.  
Keywords: cromossômicas, espécies, populações, Anopheles PDF

Nr. of accesses: 10556  
Issues: 46-2 Ecology
Title: Morphology, ontogeny and structure of the stipularnectaries in Caamembeca spectabilis (Polygalaceae)  
Authors: Joana Patrícia Pantoja Serrão FILGUEIRA, Tatiani Yuriko Souza KIKUCHI, Márlia Regina COELHO-FERREIRA  
Keywords: Fabales, extrafloral nectaries, vascularization, suberin, ants. PDF
DOI http://dx.doi.org/10.1590/1809-4392201501964

Nr. of accesses: 10556  
Issues: 49-2 Biodiversity and Conservation
Title: Record of the rare Caribbean mud eel, Pythonichthys sanguineus (Heterenchelyidae, Anguilliformes), in the region of the Amazon Reef  
Authors: Matheus Marcos ROTUNDO, Leonardo MACHADO, Claudio OLIVEIRA, Wagner César Rosa dos SANTOS, Alexandre Pires MARCENIUK  
Keywords: fisheries, conservation, Brazilian northern coast, new record, systematics PDF
DOI http://dx.doi.org/10.1590/1809-4392201802883

Nr. of accesses: 10556  
Issues: 50-4 Biodiversity and Conservation
Title: Notes on Stenhelmoides and description of the true male genitalia of S. strictifrons Grouvelle, 1908 (Coleoptera: Elmidae)  
Authors: André S. FERNANDES, Thiago T.S. POLIZEI, Rafael BOLDRINI  
Keywords: riffle beetles, aquatic insects, morphology, Neotropics, taxonomy PDF
DOI http://dx.doi.org/10.1590/1809-4392202002791

Nr. of accesses: 10555  
Issues: 10-3 BOTÂNICA
Title: Aspectos da anatomia ecológica de folhas de Hevea brasiliensis Müell. Arg.  
Authors: MEDRI, M. E.; LLERAS, E.  
Keywords: anatomia, folhas, Hevea brasiliensis PDF

Nr. of accesses: 10555  
Issues: 51-3 Agronomy and Forestry
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 PDF
DOI http://dx.doi.org/10.1590/1809-4392202004410

Nr. of accesses: 10555  
Issues: 53-2 Biodiversity and Conservation
Title: HERBase: A collection of understorey herb vegetation plots from Amazonia  
Authors: Thiago ANDRÉ, Gabriel Massaine MOULATLET, Thaís Elias ALMEIDA, Paula Palhares de Polari ALVERGA, Carlos Renato BOELTER, Debora Pignatari DRUCKER, Julia Gomes da SILVA, Reynaldo LINARES-PALOMINO, Maria Aparecida LOPES, José Leonardo Lima MAGALHÃES, Angelo Gilberto MANZATTO, Henrique Augusto MEWS, Iracema Elizabeth de Siuza MOLL, Amanda Frederico MORTATI, Eliana Celestino da PAIXÃO, Estela QUINTERO-VALLEJO, Tinde van ANDEL, Marcos SILVEIRA, Danie  
Keywords: angiosperms, database, ferns, tropical forests, Zingiberales PDF
DOI http://dx.doi.org/10.1590/1809-4392202203150

Nr. of accesses: 10555  
Issues: 54-1 Human Sciences - Original Article
Title: Ethnoichthyology of the Piapoco, Piaroa, Puinave and Sikuani ethnic groups inhabitants of the Matavén Forest (Vichada, Colombia)  
Authors: BOGOTÁ GREGORY, Juan David; AMORIM de BARROS, Nilvânia Mirelly; VILLA NAVARRO, Francisco Antonio  
Keywords: Neotropics; freshwater fishes; traditional knowledge; folk taxonomy; artisan fishermen PDF
DOI https://doi.org/10.1590/1809-4392202301831

Nr. of accesses: 10554  
Issues: 28-1 CIÊNCIAS DO AMBIENTE
Title: Avaliação de Tecnologia de Segmentação e Classificação Automática de Imagens Landsat- TM no Mapeamento do uso do solo na Amazônia  
Authors: ALMEIDA FILHO, Raimundo; NASCIMENTO, Paulo Sérgio Rezende; BATISTA Getulio Teixeira  
Keywords: Mapeamento temático automatizado, segmentação de imagens, classificação não supervisionada por regiões, mudanças de terra, sensoriamento remoto. PDF

Nr. of accesses: 10554  
Issues: 51-3 Biodiversity and Conservation
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 PDF
DOI http://dx.doi.org/10.1590/1809-4392202003781

Nr. of accesses: 10553  
Issues: 11-1 ZOOLOGIA
Title: Patologia de peixes da Amazônia Brasileira. I. Aspectos gerais  
Authors: THATCHER, Vernon E.  
Keywords: Patologia, peixes, Amazônia, Brasileira PDF

Nr. of accesses: 10553  
Issues: 39-1 ZOOLOGIA
Title: Aspectos reprodutivos e dieta alimentar dos ninhegos de Rhinoptynx clamator (Aves: Strigidae) no campus Marco Zero da Universidade Federal do Amapá, Macapá-AP  
Authors: Kurazo Mateus Okada AGUIAR, Rafael Homobono NAIFF  
Keywords: Rhinoptynx clamator, Reprodução, Amapá PDF
DOI http://dx.doi.org/10.1590/S0044-59672009000100024

Nr. of accesses: 10553  
Issues: 6-2 SUPLEMENTO
Title: Estudo anatômico macro e microscópio de 10 espécies do gênero Aniba (Lauraceae) da Amazônia - Descrição macro e microscópica das espécies estudadas  
Authors: LOUREIRO, Arthur A.  
Keywords: Estudo anatômico, macro, microscópio, gênero Aniba, Descrição PDF

Nr. of accesses: 10553  
Issues: 44-3 ECOLOGIA
Title: Rola-bostas (Coleoptera: Scarabaeidae: Scarabaeinae) de florestas e pastagens no sudoeste da Amazônia brasileira: Levantamento de espécies e guildas alimentares  
Authors: Ricardo J. SILVA, Fabricio COLETTI, Diogo A. COSTA, Fernando Z. VAZ-DE-MELLO  
Keywords: Escarabaeineos, índice de Levins, insetos copro-necrófagos, Rondônia. PDF
DOI http://dx.doi.org/10.1590/1809-4392201304472

Nr. of accesses: 10553  
Issues: 44-3 GEOCIÊNCIAS
Title: Nicolas Sanson and his Map: The Course of the Amazon River  
Authors: Jorge Pimentel CINTRA, Rafael Henrique de OLIVEIRA  
Keywords: Cartografia histórica, Longitude, Precisão, La Condamine, Pagan PDF
DOI http://dx.doi.org/10.1590/1809-4392201302944

Nr. of accesses: 10553  
Issues: 45-4 Ecology
Title: The seasonal diet of Aequidens tetramerus (Cichlidae) in a small forest stream in the Machado River basin, Rondônia, Brazil  
Authors: Igor David da COSTA, Maiza Oliveira SOARES  
Keywords: Fish, Perciformes, Amazon, feeding habits, ornamental fish PDF
DOI http://dx.doi.org/10.1590/1809-4392201500223

Nr. of accesses: 10553  
Issues: 48-3 Agronomy and Forestry
Title: Improved tree height estimation of secondary forests in the Brazilian Amazon  
Authors: Henrique Luis Godinho CASSOL, Yosio Edemir SHIMABUKURO, João Manuel de Brito CARREIRAS, Elisabete Caria MORAES  
Keywords: tree height-diameter (H:DBH) model; nested model; indicative variable; height growth; ecological species groups PDF
DOI http://dx.doi.org/10.1590/1809-4392201700844

Nr. of accesses: 10553  
Issues: 49-3 ERRATA
Title: ERRATA  
Authors: Ana Karolinne Anastacio de SOUSA, Fabíola Helena dos Santos FOGAÇA, Thais Danyelle Santos ARAUJO, Karina Neoob de Carvalho CASTRO, Alitiene Moura Lemos PEREIRA, Kirley Marques CANUTO, Edy Sousa de BRITO, Mônica Giacometti MAI, João Avelar de MAGALHÃES  
Keywords: antioxidant, psychrotrophic count, quality, fish storage PDF
DOI http://dx.doi.org/10.1590/1809-4392201801252e

Nr. of accesses: 10553  
Issues: 50-2 Animal and Fisheries Sciences
Title: Performance and economic viability of tambaqui, Colossoma macropomum, selectively bred for weight gain  
Authors: Ana Carla Carvalho SILVA, Adriana Fernandes de BARROS, Flávia Maria Fernandes MENDONÇA, Kamyla Fernanda da Silva GAMA, Rebeca MARCOS, Jayme Aparecido POVH, Darci Carlos FORNARI, Márcio Aquio HOSHIBA, Janessa Sampaio de ABREU  
Keywords: aquaculture productivity, breeding, fish farming, production cost, native Brazilian fish PDF
DOI https://doi.org/10.1590/1809-4392201901992

Nr. of accesses: 10553  
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

Nr. of accesses: 10552  
Issues: 5-2 BOTÂNICA
Title: A study of the Floral Biology of Victoria amazonica (Poepp.) Sowerby (Nymphaeceae)  
Authors: PRANCE, Ghillean T.; ARIAS Jorge R.  
Keywords: Floral Biology, Victoria amazonica PDF

Nr. of accesses: 10552  
Issues: 42-4 NOTAS E COMUNICAÇÕES
Title: Uso do igapó por assembléias de peixes nos lagos no Parque Nacional das Anavilhanas (Amazonas, Brasil)  
Authors: Janette NOVERAS; Kedma C. YAMAMOTO; Carlos E.C. FREITAS  
Keywords: prefência por habitats, diversidade de espécies de peixes, lagos de águas pretas PDF
DOI http://dx.doi.org/10.1590/S0044-59672012000400015

Nr. of accesses: 10552  
Issues: 45-4 Ecology
Title: Diet and ecomorphology of Leporinus reticulatus (Characiformes: Anostomidae) from the upper Rio Juruena, MT, Brazil: ontogenetic shifts related to the feeding ecology  
Authors: Mariana MACHADO-EVANGELISTA, André Luiz Henríques ESGUÍCERO, Marlene Sofia ARCIFA, Thiago Nilton Alves PEREIRA  
Keywords: Neotropical ichthyofauna, freshwater fish, trophic ecology, ontogenetic morphological variation PDF
DOI http://dx.doi.org/10.1590/1809-4392201500551

Nr. of accesses: 10552  
Issues: 45-4 Short Communications
Title: Range extension of Centronycetris maximiliani (Mammalia: Chiroptera) for southern Amazonia  
Authors: Patrício A. da ROCHA, Marcus V. BRANDÃO, Adalberto Césari de OLIVEIRA JÚNIOR, Caroline Cotrim AIRES  
Keywords: Emballonuridae, distribution, rainforest, Brazil PDF
DOI http://dx.doi.org/10.1590/1809-4392201501131

Nr. of accesses: 10552  
Issues: 48-3 Biodiversity and Conservation
Title: Phylogenetic structure is determined by patch size in rock outcrop vegetation on an inselberg in the northern Amazon region  
Authors: Pedro Manuel VILLA, Markus GASTAUER , Sebastião Venâncio MARTINS, Juan Fernando CARRIÓN, Prímula Viana CAMPOS, Alice Cristina RODRIGUES, Gustavo HERINGER, João Augusto Alves MEIRA-NETO  
Keywords: environmental filtering, phylogenetic turnover, phylogenetic clustering, phylogenetic diversity PDF
DOI http://dx.doi.org/10.1590/1809-4392201704561

Nr. of accesses: 10552  
Issues: 51-3 Biodiversity and Conservation
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 PDF
DOI http://dx.doi.org/10.1590/1809-4392202100690

Nr. of accesses: 10552  
Issues: 51-3 Chemistry and Pharmacology
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 PDF
DOI http://dx.doi.org/10.1590/1809-4392202100920

Nr. of accesses: 10552  
Issues: 52-4 Animal and Fisheries Sciences
Title: Evaluation of fisheries management strategies using a biotic integrity index in floodplain lakes in the lower Solimões River, Amazonas, Brazil  
Authors: Bruna de Souza ANDRADE, Carlos Edwar de Carvalho FREITAS, Maria Letizia PETESSE, Flávia Kelly SIQUEIRA-SOUZA  
Keywords: environmental quality, multimetric index, bioindicators, Amazon basin PDF
DOI http://dx.doi.org/10.1590/1809-4392202201461

Nr. of accesses: 10552  
Issues: 53-2 Agronomy and Forestry
Title: Low fertilization optimizes the water use efficiency of an Amazonian canga grass for mineland rehabilitation  
Authors: Daniela BOANARES, Breno Ricardo Serrão da SILVA, Markus GASTAUER, Silvio Junio RAMOS, Cecilio Frois CALDEIRA  
Keywords: rock outcrops; land degradation; water restrictions, Poaceae, Carajás PDF
DOI http://dx.doi.org/10.1590/1809-4392202202351

Nr. of accesses: 10551  
Issues: 37-2 QUÍMICA
Title: Cytotoxic evaluation of essential oil from Zanthoxylum rhoifolium Lam. leaves  
Authors: Saulo Luis da SILVA, Patrícia Maria FIGUEIREDO, Tomomasa YANO  
Keywords: Zanthoxylum, Essential oil, cytotoxicity, ß-caryophyllene, α -humulene PDF
DOI http://dx.doi.org/10.1590/S0044-59672007000200015

Nr. of accesses: 10551  
Issues: 38-1 ZOOLOGIA
Title: Ciclo biológico, comportamiento y censo del picudo del camu camu, Conotrachelus dubiae O’Brien 1995 (Coleoptera: Curculionidae) en Pucallpa, Perú  
Authors: Diana PEREZ, José IANNACONE  
Keywords: Camu camu, Coleoptera, Conotrachelus, Myrciaria dubia, Plaga. PDF
DOI http://dx.doi.org/10.1590/S0044-59672008000100016

Nr. of accesses: 10551  
Issues: 38-1 ZOOLOGIA
Title: Populações de aranhas errantes do gênero Ctenus em fragmentos florestais na Amazônia Central  
Authors: Luiz Augusto Macedo MESTRE, Thierry Ray GASNIER  
Keywords: Aranhas errantes, Ctenus, Populações, Amazônia, Fragmentos Florestais. PDF
DOI http://dx.doi.org/10.1590/S0044-59672008000100018

Nr. of accesses: 10551  
Issues: 12-4 AGRONOMIA
Title: Recursos genéticos de espécies frutíferas nativas da Amazônia Brasileira.  
Authors: CLEMENT, C. R.; MÜLLER, C.H.; FLORES, W.B.C.  
Keywords: Recursos genéticos, espécies frutíferas nativas nada amazônia PDF

Nr. of accesses: 10551  
Issues: 11-4 ECOLOGIA
Title: Associação congenérica de Ceriodaphnia cornuta Sars 1886 e Ceriodaphnia reticulata (Jurine) 1820 (Crustacea, Cladocera) na Represa de Curuá-Uma, Pará, Brasil.  
Authors: ROBERTSON, B.A  
Keywords: Associação, Ceriodaphnia cornuta, Ceriodaphnia reticulata, Curuá-Uma PDF

Nr. of accesses: 10551  
Issues: 10-3 ZOOLOGIA
Title: Composição do zooplancton em cinco lagos da Amazônia Central  
Authors: HARDY, E. R.  
Keywords: zooplancton, lagos, Amazônia Central PDF

Nr. of accesses: 10551  
Issues: 10-4 QUÍMICA
Title: Towards a scientific status for micromolecular Systematics  
Authors: GOTTLIEB, Otto T.  
Keywords: Towards, scientific, micromolecular, Systematics PDF

Nr. of accesses: 10551  
Issues: 8-4 SUPLEMENTO
Title: Plâncton e produção primária em sistemas aquáticos da bacia da Amazônia Central  
Authors: FISHER, T. R.  
Keywords: Plâncton, sistemas aquáticos, Amazônia Central PDF

Nr. of accesses: 10551  
Issues: 4-3 BOTÂNICA
Title: Subsídios para o estudo das Sapotáceas da Amazônia  
Authors: RODRIGUES, William R.  
Keywords: estudo das Sapotáceas da Amazônia PDF

Nr. of accesses: 10551  
Issues: 45-4 Ecology
Title: Similar understorey structure in spite of edaphic and floristic dissimilarity in Amazonian forests  
Authors: Lassi SUOMINEN, Kalle RUOKOLAINEN, Timo PITKÄNEN, Hanna TUOMISTO  
Keywords: canopy openness; Iriartea deltoidea; Pebas Formation; pteridophytes; stem density PDF
DOI http://dx.doi.org/10.1590/1809-4392201500132

Nr. of accesses: 10551  
Issues: 46-2 Ecology
Title: Floristic and structure of an Amazonian primary forestand a chronosequence of secondary succession  
Authors: Camila Valéria de Jesus SILVA, João Roberto dos SANTOS, Lênio Soares GALVÃO,Ricardo Dal’Agnol da SILVA, Yhasmin Mendes MOURA  
Keywords: Forest recovery; vegetation dynamics; forest structure; floristic patterns, biomass. PDF
DOI http://dx.doi.org/10.1590/1809-4392201504341

Nr. of accesses: 10551  
Issues: 47-3 Agronomy
Title: Phenotypic and genotypic characterization and compatibility among genotypes to select elite clones of cupuassu  
Authors: Rafael Moysés ALVES, Carlos Rogério de Sousa SILVA, Paulo Sérgio Bevilaqua de ALBUQUERQUE, Vinicius Silva dos SANTOS  
Keywords: microsatellites, tropical fruit, diversity, plant breeding, Theobroma grandiflorum PDF
DOI http://dx.doi.org/10.1590/1809-4392201602104

Nr. of accesses: 10551  
Issues: 47-4 Health Sciences
Title: Zootherapy in the Amazon: green anaconda (Eunectes murinus) fat as a natural medicine totreat wounds  
Authors: Erika SOUZA, Fernanda P. WERNECK, Leonardo BRANDÃO, Rafael de FRAGA  
Keywords: ethnozoology, folk medicine, snakes, Wistar PDF
DOI http://dx.doi.org/10.1590/1809-4392201702202

Nr. of accesses: 10551  
Issues: 48-1 Chemistry and Pharmacology
Title: Acaricidal activity of extracts from different structures of Piper tuberculatum against larvae and adults of Rhipicephalus microplus  
Authors: Andrina Guimarães Silva BRAGA, Krishna Ferri Alencar de SOUZA, Fabio da Silva BARBIERI, Cleberson de Freitas FERNANDES, Rodrigo Barros ROCHA, José Roberto VIEIRA JUNIOR, Clariana Lins LACERDA, Caroline Oliveira CELESTINO, Valdir Alves FACUNDO, Luciana Gatto BRITO  
Keywords: cattle tick, bioassay, active molecules, Piperaceae PDF
DOI http://dx.doi.org/10.1590/1809-4392201700053

Nr. of accesses: 10551  
Issues: 48-2 Biodiversity and Conservation
Title: Diversity patterns of hawkmoths (Lepidoptera: Sphingidae) in the canopy of an ombrophilous forest in the central Amazon, Brazil  
Authors: Gilcélia Melo LOURIDO, Catarina da Silva MOTTA, Márlon Breno GRAÇA, José Albertino RAFAEL  
Keywords: Amazon rainforest, flight activity, forest canopy, species composition, species richness PDF
DOI http://dx.doi.org/10.1590/1809-4392201704721

Nr. of accesses: 10551  
Issues: 50-2 Biodiversity and Conservation
Title: Review of the distribution of Lophostoma carrikeri (Chiroptera: Phyllostomidae), with range extension to transitional vegetation zones in the southwestern Amazon  
Authors: Marcus V. BRANDÃO, Mônica A. PEDROSO, Paul F. COLAS-ROSAS, Caroline C. AIRES, Patrício A. da ROCHA  
Keywords: Carriker’s round–eared bat, Phyllostomini; savanna, rainforest, ecotone PDF
DOI https://doi.org/10.1590/1809-4392201902982

Nr. of accesses: 10551  
Issues: 50-3 Agronomy and Forestry
Title: Genetic diversity and population structure of endangered rosewood from the Peruvian Amazon using ISSR markers  
Authors: Stalin Juan Vasquez GUIZADO, Muhammad Azhar NADEEM, Fawad ALI, Muzaffer BARUT, Ephrem HABYARIMANA, Tedi Pacheco GÓMEZ, Jhon Antoni Vargas SANTILLAN, Esperanza Torres CANALES, Juan Carlos Castro GÓMEZ, Gyuhwa CHUNG, Faheem Shehzad BALOCH  
Keywords: Aniba rosaeodora, endangered species, gene flow, germplasm, molecular characterization PDF
DOI http://dx.doi.org/10.1590/1809-4392201902203

Nr. of accesses: 10551  
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

Nr. of accesses: 10551  
Issues: 54-2 Biodiversity and Conservation
Title: Checklist and geographic distribution of Myrtaceae species occurring in campinaranas of the Brazilian Amazon  
Authors: NATIVIDADE, Paulo Haniel Sousa da; BARBERENA, Felipe Fajardo Villela Antolin; SILVA, Rachel Macedo da  
Keywords: white sand vegetation; floristics; oligotrophic soils; endemisms; Myrcia; Eugenia PDF
DOI http://dx.doi.org/10.1590/1809-4392202302942

Nr. of accesses: 10550  
Issues: 32-1 ZOOLOGIA
Title: Efeito da farinha de resíduo de peixe e de frango no desempenho e na composição corporal de Juvenis de Tambaqui, Colossoma macropomum (Cuvier, 1818)  
Authors: TERRAZAS, Werner D.M.; PEREIRA-FILHO, Manoel; PEREIRA,Maria I. de O.  
Keywords: Colossoma macropomum, farinha de resíduo de peixe, farinha de resíduo de frango PDF

Nr. of accesses: 10550  
Issues: 33-1 ECOLOGIA
Title: Characterization of the commercial fish production landed at Manaus, Amazonas state, Brazil  
Authors: BATISTA, Vandick da Silva; PETRERE JÚNIOR, Miguel.  
Keywords: fish, fisheries, Amazon, production PDF

Nr. of accesses: 10550  
Issues: 32-4 BOTÂNICA
Title: Diatoms from the Colombian Amazon: Some Species of the Genus Eunotia (Bacillariophyceae)  
Authors: SALA, Silvia E.; DUQUE, Santiago R.; NÚÑEZ-AVELLANEDA, M.; LAMARO, Anabel  
Keywords: Diatoms, Eunotia, distribution, ecology, Colombian Amazon Basin PDF

Nr. of accesses: 10550  
Issues: 26-2 NOTAS E COMUNICAÇÕES
Title: Tabela de Composição de Alimentos da Amazônia.  
Authors: AGUIAR, Jaime Paiva Lopes  
Keywords: Alimentos da Amazônia, Composição centesimal, Frutos, Hortaliças, Peixes, Animais silvestres, Raízes e Tubérculos. PDF

Nr. of accesses: 10550  
Issues: 19-4 PATOLOGIA
Title: Atividade antimicrobiana de óleos essenciais da Amazônia.  
Authors: LOBATO,A.M.; RIBEIRO,A.; PINHEIRO,M. de F. da S.; MAIA,J. G. S.  
Keywords: óleos essenciais,Piper hispidinervinum, Abina rosaedora, Alpina speciosa. PDF

Nr. of accesses: 10550  
Issues: 13-1 GEOLOGIA
Title: Minerais pesados provenientes do leito do rio Amazonas.  
Authors: LANDIM, Paulo M.B.; BÓSIO, Nivaldo J.; WU, Fu T.; CASTRO, Paulo R.M.  
Keywords: Minerais do leito do rio Amazonas. PDF

Nr. of accesses: 10550  
Issues: 53-3 Biodiversity and Conservation
Title: Caputitermes, a new genus of soldierless termite (Blattaria: Isoptera: Termitidae) with dimorphic workers from the Amazon rainforest  
Authors: Rayssa ALMEIDA-AZEVEDO , Agno Nonato Serrão ACIOLI, José Wellington de MORAIS, Renato Almeida de AZEVEDO  
Keywords: taxonomy, worker gut, enteric valve, Apicotermitinae PDF
DOI http://dx.doi.org/10.1590/1809-4392202202511

Nr. of accesses: 10550  
Issues: 38-1 BOTÂNICA
Title: Conocimiento etnoecólogico de los hongos entre los indígenas Uitoto, Muinane y Andoke de la Amazonía Colombiana  
Authors: Aída Marcela VASCO-PALACIOS, Sandy Carolina SUAZA, Mauricio CASTAÑO-BETANCUR, Ana Esperanza FRANCO-MOLANO  
Keywords: Hongos comestibles, micofagia, mamíferos, insectos, Cordyceps PDF
DOI http://dx.doi.org/10.1590/S0044-59672008000100004

Nr. of accesses: 10550  
Issues: 38-1 QUÍMICA
Title: Cytotoxic evaluation of essential oil from Casearia sylvestris Sw on human cancer cells and erythrocytes  
Authors: Saulo Luís da SILVA, Jamal da Silva CHAAR, Patrícia de Maria Silva FIGUEIREDO, Tomomasa YANO  
Keywords: Cytotoxicity, Casearia sylvestris, Erythrocytes, Essential oil, MTT, Sesquiterpenes PDF
DOI http://dx.doi.org/10.1590/S0044-59672008000100012

Nr. of accesses: 10550  
Issues: 38-2 ZOOLOGIA
Title: Social wasps of two wetland ecosystems in brazilian Amazonia (Hymenoptera, Vespidae, Polistinae)  
Authors: Orlando Tobias SILVEIRA, Salustiano Vilar da COSTA NETO, Odete Fátima M. da SILVEIRA  
Keywords: Vespas polistíneas, Várzea, Várzea estuarina, Amazonas, Amapá PDF
DOI http://dx.doi.org/10.1590/S0044-59672008000200018

Nr. of accesses: 10550  
Issues: 11-1 ZOOLOGIA
Title: Algumas considerações sobre Simulidae (Diptera-Nematocera)  
Authors: PY-DANIEL, V.  
Keywords: considerações, Simulidae, Diptera-Nematocera PDF

Nr. of accesses: 10550  
Issues: 9-2 BOTÂNICA
Title: O gênero Andira Lam, (Leguminosae Papilionoidea) no Brasil.  
Authors: MATTOS, N. F.  
Keywords: gênero, Andira, Leguminosae, Papilionoidea PDF

Nr. of accesses: 10550  
Issues: 9-2 ZOOLOGIA
Title: Diferenças ultra-estruturais entre bexigas natatórias de peixes teleósteos de respiração aquática e respiração aérea facultativa.  
Authors: CRUZ-LANDIM, C. da; CRUZ-HÖFLING, M.A. da  
Keywords: ultra-estruturais, bexigas, peixes, teleósteos PDF

Nr. of accesses: 10550  
Issues: 7-2 GENÉTICA
Title: Estrutura multidimensional dos Meliponídeos  
Authors: PISANI, J. F.; KERR, W. E.; CUNHA, R. A.  
Keywords: Estrutura, Meliponídeos PDF

Nr. of accesses: 10550  
Issues: 6-3 ZOOLOGIA
Title: Effects of a cold wave on an Amazonian avifauna in the upper Paraguay drainage, Western Mato Grosso, and suggestions on Oscine-Suboscine relationships  
Authors: WILLIS, Edwin O’Neill  
Keywords: cold wave, Amazonian avifauna, Paraguay drainage PDF

Nr. of accesses: 10550  
Issues: 4-2 TECNOLOGIA
Title: Estudo papeleiro de maciços florestais amazônicos – I – Maciço florestal da estrada Manaus-Itacoatiara  
Authors: CORRÊA, Antônio de Azevedo; RIBEIRO, Eloy Barbosa P.; LUZ, Cláudio N. Reis  
Keywords: Estudo papeleiro, Maciço florestal, estrada Manaus-Itacoatiara PDF

Nr. of accesses: 10550  
Issues: 3-1 BOTÂNICA
Title: An evolutionary and ecological perspective of Amazonian Hylaea species of Hymeneae (Leguminosae: Caesalpinioideae)  
Authors: LANGENHEIM, Jean H.; LEE, Yin-Tse; MARTIN, S. S  
Keywords: Amazonian Hylaea, species of Hymeneae PDF

Nr. of accesses: 10550  
Issues: 3-3 QUÍMICA
Title: The chemical composition of Amazonian Plants – A catalogue edited by Setor Fitoquímica, INPA, Manaus, Amazonas  
Authors:  
Keywords: Fitoquímica, INPA, Manaus PDF

Nr. of accesses: 10550  
Issues: 1-2 SUPLEMENTO
Title: Temperatura do solo na região terciária da Amazônia Central II. Areias brancas e roçadas. Soil temperatures in the Tertiary region of Central Amazon II. Cleared white sand areas. Parte II  
Authors: BRINKMANN, W. L. F.; RIBEIRO, M. N. Góes; POTE, J. B.  
Keywords: Temperatura do solo, região terciária da Amazônia Central, Areias brancas e roçadas PDF

Nr. of accesses: 10550  
Issues: 40-2 NOTAS E COMUNICAÇÕES
Title: Notes on necrophagous flies (Diptera: Calyptratae) associated to fish carrion in Colombian Amazon  
Authors: Eduardo AMAT  
Keywords: Faunistic survey, non parametric estimators, Richness, Abundance, Modified Trap PDF
DOI http://dx.doi.org/10.1590/S0044-59672010000200018

Nr. of accesses: 10550  
Issues: 42-3 BOTÂNICA
Title: Estruturas secretoras em Cipó-d’alho (Mansoa standleyi (Steyerm.) A. H. Gentry, Bignoniaceae): ocorrência e morfologia  
Authors: Raimunda Conceição VILHENA-POTIGUARA, Ana Cristina Andrade de AGUIAR-DIAS, Tatiani Yuriko Souza KIKUCHI, Ana Carla Feio dos SANTOS, Rolf Junior Ferreira SILVA  
Keywords: Tricomas glandulares, nectários extraflorais, interação inseto-planta. PDF
DOI http://dx.doi.org/10.1590/S0044-59672012000300003

Nr. of accesses: 10550  
Issues: 42-3 ZOOLOGIA
Title: First record of Trichodina heterodentata (Ciliophora: Trichodinidae) from Arapaima gigas cultivated in Peru  
Authors: Luis Henostroza MIRANDA, Natalia MARCHIORI, Carmela Rebaza ALFARO, Maurício Laterça MARTINS  
Keywords: pirarucu, trichodinid, morphology. PDF
DOI http://dx.doi.org/10.1590/S0044-59672012000300016

Nr. of accesses: 10550  
Issues: 43-4 ECOLOGIA VEGETAL
Title: Density-dependent morphological plasticity and trade-offs among vegetative traits in Eichhornia crassipes (Pontederiaceae)  
Authors: Eleonora Alvarenga ANDRADE, Mário Eduardo Avelar BARBOSA, Guilherme Ramos DEMETRIO  
Keywords: Plasticidade fenotípica, Relações Planta-Ambiente, Morfologia plástica, Macrófita PDF
DOI http://dx.doi.org/10.1590/S0044-59672013000400007

Nr. of accesses: 10550  
Issues: 47-1 Brief report Notas e Comunicações
Title: Passalid (Insecta: Coleoptera: Passalidae) collected from trunks of Scleronema micranthum (Malvaceae)  
Authors: Raimunda Liege Souza de ABREU, Beatriz RONCHI-TELES, Bazilio Frasco VIANEZ, Claudio Ruy Vasconcelos da FONSECA, Fernando Bernardo Pinto GOUVEIA, Ediene Borges da SILVA  
Keywords: Amazon wood, beetle, Passalidae, degradation. PDF
DOI http://dx.doi.org/10.1590/1809-4392201601612

Nr. of accesses: 10550  
Issues: 49-1 Materials Technology
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 PDF
DOI http://dx.doi.org/10.1590/1809-4392201800192

Nr. of accesses: 10550  
Issues: 49-3 Biotechnology
Title: Development, characterization and stability of microemulsionated formulations of bacaba, Oenocarpus bacaba oil  
Authors: Maycon de Paula Ribeiro TORRES, Rhuan Vínicius de Freitas ESPRENDOR, Solange Maria BONALDO, Elton Brito RIBEIRO, Dênia Mendes de Sousa VALLADÃO  
Keywords: microemulsion, Amazon, native fruit, nanotechnology, carriers PDF
DOI http://dx.doi.org/10.1590/1809-4392201802702

Nr. of accesses: 10550  
Issues: 50-1 Biotechnology
Title: Obtaining monokaryotic and dikaryotic mycelial cultures of two Amazonian strains of Geastrum (Geastraceae, Basidiomycota)  
Authors: Marcos Diones Ferreira SANTANA, Ruby VARGAS-ISLA, Janaina da Costa NOGUEIRA, Thiago ACCIOLY, Bianca Denise Barbosa da SILVA, Sheyla Regina Marques COUCEIRO, Iuri Goulart BASEIA, Noemia Kazue ISHIKAWA  
Keywords: earthstars; gasteroid fungus; Geastrum lloydianum; Geastrum subiculosum; mycelial growth PDF
DOI http://dx.doi.org/10.1590/1809-4392201901341

Nr. of accesses: 10550  
Issues: 50-3 Biodiversity and Conservation
Title: First record of Vanilla labellopapillata (Orchidaceae: Vanilloideae) in the state of Amazonas, Brazil  
Authors: Dayse Raiane Passos KRAHL, Amauri Herbert KRAHL, Guy CHIRON, Mário Henrique TERRA-ARAÚJO  
Keywords: Adolpho Ducke Forest Reserve, Amazon, dense ombrophilous forest, hemiepiphyte, taxonomy PDF
DOI http://dx.doi.org/10.1590/1809-4392202001164

Nr. of accesses: 10550  
Issues: 51-4 Biodiversity and Conservation
Title: Osteophagia by Nasutitermes guayanae (Blattodea: Isoptera: Termitidae) on human bone remains in the Andean Amazon, Caquetá, Colombia  
Authors: Yardany RAMOS-PASTRANA, Eric CÓRDOBA-SUAREZ, Marta WOLFF  
Keywords: bones, forensic entomology, Nasutiterminae, necrophagous insect PDF
DOI http://dx.doi.org/10.1590/1809-4392202100961

Nr. of accesses: 10550  
Issues: 52-2 Biodiversity and Conservation
Title: Checklist of Amazonian gasteroid fungi (Agaricomycetidae, Phallomycetidae, Basidiomycota)  
Authors: Nathalia Mendonça de ASSIS, Jefferson dos Santos GÓIS, Julimar Freire de FREITAS-NETO, Flávia Rodrigues BARBOSA, Iuri Goulart BASEIA  
Keywords: Neotropics, biodiversity, taxonomy, Gasteromycetes, rainforest PDF
DOI http://dx.doi.org/10.1590/1809-4392202101730

Nr. of accesses: 10550  
Issues: 53-3 Environmental Sciences
Title: Effects of automotive diesel oil on germination of Avicennia germinans and Laguncularia racemosa mangrove propagules  
Authors: Josélia Castro da Silva MARTINS, Flávia Rebelo MOCHEL, Ilisandra ZANANDREA, James Werllen de Jesus AZEVEDO, Leonardo Gonçalves de LIMA, Denilson da Silva BEZERRA, Emilly Gabrielle do Nascimento ABREU, Marcelle da Silva e SILVA, Aline Maria Silva LIMA  
Keywords: hydrocarbons, environmental tensors, Brazilian Equatorial margin, ecophysiological responses PDF
DOI http://dx.doi.org/10.1590/1809-4392202202342

Nr. of accesses: 10550  
Issues: 53-4 Biodiversity And Conservation
Title: A new Jacquemontia Choisy (Convolvulaceae) species from the Brazilian Amazon forest  
Authors: Deibson Pereira BELO, Maria Teresa BURIL, Emília ARRUDA, Rafael Batista LOUZADA  
Keywords: biodiversity, Brazilian flora, Carajás National Forest, ironstone savannas, taxonomy PDF
DOI http://dx.doi.org/10.1590/1809-4392202300341

Nr. of accesses: 10550  
Issues: 53-4 Biodiversity and Conservation
Title: Predation of a mustached bat, Pteronotus sp. (Mormoopidae), by an Amazon tree boa, Corallus hortulanus (Boidae), in the Brazilian Amazon  
Authors: Eder BARBIER, Narjara Tércia PIMENTEL, Enrico BERNARD  
Keywords: ambush predator; cave-dwelling bat; Chiroptera; Carajás National Forest; predator-prey interaction PDF
DOI http://dx.doi.org/10.1590/1809-4392202300150

Nr. of accesses: 10550  
Issues: 54-1 Animal And Fisheries Sciences - Original Article
Title: Protective effect of hydroxy-selenomethionine supplementation in the diet of tambaqui (Colossoma macropomum) subjected to transportation stress  
Authors: SINHORIN, Valéria Dornelles Gindri; BRAGA, Ana Júlia Lopes; ROSA, Andrielli Pompermayer; FERNEDA, João Maurício de Andrades; DE MOURA, Fernando Rafael; FERREIRA, Celma Maria; ABREU, Janessa Sampaio de; HOSHIBA, Márcio Aquio; FONTINHAS NETTO, Garros do Valle  
Keywords: Amazon fish; feed; micromineral; reactive oxygen species PDF
DOI https://doi.org/10.1590/1809-4392202300912

Nr. of accesses: 10550  
Issues: 54-4 Agronomy and Forestry
Title: Vegetative propagation of Schizolobium parahyba var. amazonicum (paricá) using field grafting and mound layering techniques  
Authors: SALES, Agust; XAVIER, Aloisio; PAIVA, Haroldo Nogueira de; WENDLING, Ivar; SANTOS, Gleison Augusto dos; SIVIERO, Marco Antonio; VIEIRA, Sabrina Benmuyal  
Keywords: clonal forestry; rejuvenation; timber species; Brazilian Amazon; epicormic sprouts; scion diameter PDF
DOI http://dx.doi.org/10.1590/1809-4392202301262

Nr. of accesses: 10549  
Issues: 15-4 SILVICULTURA
Title: Bacia 3 –Inventário Florestal Comercial.  
Authors: HIGUCHI, Niro; JARDIM, Fernando, C.S.; SANTOS, Joaquim dos; BARBOSA, Antenor Pereira; WOOD, Thomas W.W.  
Keywords: Inventário Florestal. PDF

Nr. of accesses: 10549  
Issues: 14-2 BIOLOGIA AQUÁTICA E LIMNOLOGIA
Title: Biologia alimentar de três especies de Triportheus (PISCES: CHARACOIDEIL, CHARACIDAE) do Lago do Castanho, Amazonas.  
Authors: ALMEIDA, Rimunda Gonçalves de  
Keywords: Triportheus PDF

Nr. of accesses: 10549  
Issues: 36-3 ZOOLOGIA
Title: Decapod crustaceans used as food by the Yanomami Indians of the Balawa-ú village, State of Amazonas, Brazil.  
Authors: Célio Magalhães, Ulysses C. Barbosa & Victor Py-Daniel  
Keywords: Ethnozoology, Yanomami Indians, Amazon region, freshwater decapod, indigenous name PDF
DOI http://dx.doi.org/10.1590/S0044-59672006000300013

Nr. of accesses: 10549  
Issues: 53-3 Biodiversity and Conservation
Title: Interpopulational genetic diversity in the medically important scorpion Tityus obscurus (Scorpiones: Buthidae) from northeastern Brazilian Amazonia  
Authors: Pedro Pereira de Oliveira PARDAL, Johne Souza COELHO, Joaquim Martins da SILVA, Bruno Rafael Ribeiro ALMEIDA, Hipócrates Menezes CHALKIDIS, Adolfo BORGES, Edna Aoba Yassui ISHIKAWA, Cristovam Guerreiro DINIZ, Guilherme da Cruz SANTOS-NETO, Mauro André Damasceno de MELO  
Keywords: mitochondrial DNA, phylogenetic analyses, cytochrome oxidase subunit I, 16S RNA PDF
DOI http://dx.doi.org/10.1590/1809-4392202202441

Nr. of accesses: 10549  
Issues: 37-2 AGRONOMIA
Title: La Agricultura en la Amazonia Ribereña del Río Ucayali. ¿Una Zona Productiva pero Poco Rentable?  
Authors: Ricardo A. Labarta, Douglas White, Efraín Leguía, Wagner Guzman, Javier Soto  
Keywords: Agricultura, Riberas, Amazonia, Análisis económico, Peru PDF
DOI http://dx.doi.org/10.1590/S0044-59672007000200002

Nr. of accesses: 10549  
Issues: 37-4 ZOOLOGIA
Title: Physiological responses of pirarucu (Arapaima gigas) to acute handling stress  
Authors: Levy de Carvalho GOMES  
Keywords: Pirarucu, Stress, Air exposure, Glycogen, Cortisol, Glucose, Lactate, Haematocrit. PDF
DOI http://dx.doi.org/10.1590/S0044-59672007000400019

Nr. of accesses: 10549  
Issues: 12-2 BOTÂNICA
Title: Distribuição geográfica de Leucobryaceae (Bryopsida) na Amazônia  
Authors: YANO. O  
Keywords: Leucobryaceae, Bryopsida PDF

Nr. of accesses: 10549  
Issues: 11-4 NOTAS E COMUNICAÇÕES
Title: Nova Iryanthera Warb. (Myristicaceae) da Amazônia.  
Authors: RODRIGUES, W.A.  
Keywords: Iryanthera, Warb, Myristicaceae, Amazônia. PDF