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 Autoria: VALENTIM, J. F.; VOSTI, S. A. These challenges are set alongside new opportunities provided by new and better-performing markets; new technology; some marked shifts in the political climate at the local, state, and international l... ... |
 Autoria: ASSIS, G. M. L. de; VALLE, C. B. do; ANDRADE, C. M. S. de; VALENTIM, J. F. Brachiaria humidicola is a perennial and stoloniferous forage grass, with excellent adaptation to infertile soils and waterlogging. Producers in northern Brazil have become interested in this species,... ... |
 Autoria: ANDERSEN, H. E.; REUTEBUCH, S. E.; MCGAUGHEY, R. J.; OLIVEIRA, M. V. N. D.; KELLER, M. The objective of this study was to test the use of repeat flight, airborne laser scanning data (lidar) for estimating changes associatedwith low-impact selective logging (approx. 10?15 m3 ha−1 =... ... |
 Autoria: BRITO, L. G.; OLIVEIRA, M. C. de S.; ROCHA, R. B.; SILVA NETTO, F. G. da; MARIM, A. D.; SOUZA, G. C. R. de; VENDRAME, F. B.; MOURA, M. M. da F. O presente estudo fornece os primeiros dados epidemiológicos relativos a infecção por Anaplasma marginale em bovinos criados na Amazônia Sul Ocidental brasileira. Foi adaptado um procedimento simples... ... |
 Autoria: DALAZEN, J. R.; ROCHA, R. B.; PEREIRA, L. L.; ALVES, E. A.; ESPINDULA, M. C.; SOUZA, C. A. de Most of the Western Amazon coffee production is made from growing unregistered clones, selected by the coffee growers themselves. The aim of this study is to evaluate the sensory profile and genetic d... ... |
 Autoria: KAINER, K. A.; WADT, L. H. de O.; GOMES-SILVA, D. A. P.; CAPANU, M. Brazil nut (Bertholletia excelsa H.B.K.) is a long-lived emergent, distributed throughout much of the Amazon?s terra firme forests, and lianas that climb this forest dominant are in a superior positio... ... |
 Autoria: RUDNICK, V. A. de S.; VIEIRA JÚNIOR, J. R.; FERNANDES, C. de F.; ROCHA, R. B.; TEIXEIRA, A. L.; RAMALHO, A. R.; ESPINDULA, M. C.; SANTOS, A. V.; ANJOS, E. F. M. dos; UCHÔA, F. P. Root-knot disease is among the main diseases affecting coffee crop. The plant selection to the development new resistant cultivars is among one the most efficient methods of control. The present work... ... |
 Autoria: RUEDA, B. L.; McROBERTS, K. C.; BLAKE, R. W.; NICHOLSON, C. F.; VALENTIM, J. F.; FERNANDES, E. C. M. Low-input cultivated pastures to feed cattle have dominated land use after forest clearing for decades in the western Brazilian Amazon. This study was undertaken to help understand the inherent nutrie... ... |
 Autoria: ROCHA, R. B.; TEIXEIRA, A. L.; RAMALHO, A. R.; ESPINDULA, M. C.; LUNZ, A. M. P.; SOUZA, F. de F. Gain from selection is an important criterion in quantifying the efficiency of breeding programs. This study quantified the selection gain estimated under experimental conditions and realized gain ach... ... |
 Autoria: BEBER, P. M.; ASSIS, G. M. L. de; CLEMENCIO, R. de M.; JANK, L. The knowledge of the genetic parameters of bromatological traits in forages is essential to support the selection of genotypes that will be released as new cultivars. The objectives of this study were... ... |
 Autoria: PILNIK, M. S.; ARGENTIM, T.; KINUPP, V. F.; HAVERROTH, M.; MING, L. C. The Kaxinawá indigenous people (auto-identified as the Huni Ku?) are native to the western Amazon, on the Brazilian border with Peru, and have an extensive biodiversity-related knowledge, which is par... ... |
 Autoria: OLIVEIRA, M. V. N. d'.; GUARINO, E. de S. G.; OLIVEIRA, L. C. de; RIBAS, L. A.; ACUNÃ, M. A. The western Amazon supports the largest formation of neotropical bamboo forests. This forest ecosystem is neglected due to its low commercial timber volume and fragile forest structure that amplifies... ... |
 Autoria: SCHIELEIN, J.; BÖRNER, J.; VALENTIM, J. F. Reducing deforestation in tropical forest areas requires effective environmental governance and the transformation of agricultural systemstowards less land-demanding production forms. Our study invest... ... |
 Autoria: OLIVEIRA, M. V. N. d'; OLIVEIRA, L. C.; ACUÑA, M. H. A.; BRAZ, E. M. Foi conduzido um estudo sobre a dinâmica de crescimento em floresta localizada no Estado do Acre na Amazônia sul ocidental, onde uma área de 20 ha foi explorada para extração de madeira em 1992. O est... ... |
 Autoria: LU, D.; BATISTELLA, M.; MAUSEL, P.; MORAN, E. Mapping and monitoring land degradation in areas under human-induced stresses have urgent tasks in remote sensing whose importance has not yet been fully appreciated. In this study, a surface cover in... ... |
 Autoria: TEIXEIRA, A. L.; ROCHA, R. B.; ESPINDULA, M. C.; RAMALHO, A. R.; VIEIRA JUNIOR, J. R.; ALVES, E. A.; LUNZ, A. M. P.; SOUZA, F. de F.; COSTA, J. N. M.; FERNANDES, C. de F. Amazonian Robustas are ten new clones of high yield potential with characteristics typical of the botanical varieties conilon and robusta. With individual registration, the new cultivars were develope... ... |
 Autoria: BERGO, C. L.; MIQUELONI, D. P.; LUNZ, A. M. P.; ASSIS, G. M. L. de Coffee has emerged as an economic alternative culture in the State of Acre, Brazil, but without a clonal variety recommended for the state to overcome the unevenness presented by seed crops. Thus, in... ... |
 Modeling nitrous oxide emissions in grass and grass-legume pastures in the western Brazilian Amazon. Autoria: COSTA, F. de S.; SALES, M. F. L.; FREITAS, A. C. R. de; SOUZA, C. P. de Mineral nitrogen (N) dynamics in soil and the exchange of N gaseous in the interface soil-atmosphere are intimately associated with animal manure in pastures. According to soil inorganic-N pools and t... ... |
 Autoria: ASSIS, G. M. L. de; SANTOS, C. F. dos; FLORES, P. S.; VALLE, C. B. do The objectives of this study were to detect genetic variability among genotypes of Brachiara humidicola, study the genetic diversity and identify redundant variables in the discrimination of hybrids.... ... |
 Autoria: COSTA, F. de S.; SALES, M. F. L.; VALENTIM, J. F.; BARDALES, N. G.; AMARAL, E. F. do; COSTA, C. R. da; CATANI, V. Land use change from native forests to pastures in the tropics have impact on global carbon (C) cycle through increased rates of C emissions to the atmosphere and the loss of above- and belowground C... ... |
 Autoria: CARVALHO, A. L. de; OLIVEIRA, M. V. N. d'; PUTZ, F. E.; OLIVEIRA, L. C. de We evaluated the impacts of selective logging on tree regeneration one, four, and eight years after harvests in Antimary State Forest in the State of Acre, Brazil. We inventoried tree seedlings, sapli... ... |
 Autoria: SOUZA, C. A. de; TEIXEIRA, A. L.; TORRES, J. D.; SILVA, C. A.; ESPINDULA, M. C.; ROCHA, R. B. Growing Coffea arabica in regions of the Western Amazon is limited by early maturation and by its limited adaptation to regions of low altitude and high temperature. The aim in this study was to quant... ... |
 Autoria: ARAÚJO, M. S.; MESSIAS, M. R.; FIGUEIRO, M. R.; GIL, L. H. S.; PROBST, C. M.; VIDAL, N. M.; KATSURAGAWA, T. H.; KRIEGER, M. A.; SILVA, L. H. P. da; OZAKI, L. S. Background: Simian malaria is still an open question concerning the species of Plasmodium parasites and species of New World monkeys susceptible to the parasites. In addition, the lingering question a... ... |
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 Autoria: MORAIS, J. A. de; ROCHA, R. B.; ALVES, E. A.; ESPINDULA, M. C.; TEIXEIRA, A. L.; SOUZA, C. A. de This study aimed to evaluate the beverage quality of Coffea canephora genotypes in different environments of the western Amazon to assist plant selection and new cultivar development. To analyze bever... ... |
 Autoria: MORAES, M. S.; ROCHA, R. B.; TEIXEIRA, A. L.; ESPINDULA, M. C.; SILVA, C. A.; LUNZ, A. M. P. The development of Coffea canephora cultivars is based on the characterization of genotype × environment interaction, which is interpreted to quantify the differential behavior of clones at different... ... |
 Autoria: EMBRAPA WESTERN AMAZONIA. Portfólio da Embrapa Amazônia Ocidental. |
 Autoria: SANTOS, M. R. A. dos; LIMA M. R.; OLIVEIRA, C. L. L. G. Este estudo se refere ao uso de plantas medicinais por populações da Amazônia Ocidental, fornece informações passíveis de utilização em estudos fitoquímicos e resgata o conhecimento tradicional a resp... ... |
 Autoria: VALENTIM, J. F.; ANDRADE, C. M. S. de; FERREIRA, A. S.; COSTA, F. de S.; MESQUISTA, A. Q. de; COSTA, C. R. da This study was conducted to test the hypothesis that forage peanut (Arachis pintoi cv BRS Mandobi) can be successfully introduced into a Brachiaria humidicula pasture. |
 Environmental stratification and performance of Coffea canephora clones grown in the Western Amazon. Autoria: MORAES, M. S.; ROCHA, R. B.; FERREIRA, F. M.; SOUZA, C. A. de; ESPINDULA, M. C.; TEIXEIRA, A. L. Change in the performance of clones grown in different environments is an important question for Coffea canephora breeding. The aim of this study was to evaluate environmental stratification and the p... ... |
 Autoria: SOLIMÕES, F. C. R.; ESPINDULA, M. C.; TEIXEIRA FILHO, A. de J.; SOUSA, A. L. B. de; FERREIRA, F. M. Abstract: This study aimed to evaluate the vegetative growth of the species Coffea canephora from the orthotropic and plagiotropic branches of coffee plants of the botanical varieties Conilon and Robu... ... |
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 Autoria: CARVALHO, J. L. N.; CERRI, C. E. P.; FEIGL, B. J.; PICCOLO, M. de C.; GODINHO, V. de P.; HERPIN, U.; CERRI, C. C. Mudanças de uso da terra e práticas de manejo modificam a dinâmica do C e a fertilidade do solo. Este estudo avaliou as implicações dos sistemas de cultivo (NT e CT) nos estoques de C e de nutrientes... ... |
 Autoria: ISAAC JÚNIOR, M. A.; BARBOSA, B. H. G.; GOMIDE, L. R.; CALEGARIO, N.; FIGUEIREDO, E. O.; MORAS FILHO, L. O.; MELO, E. de A.; DANTAS, D. To reduce the damage caused by logging in the Amazon rainforest, new metaheuristics have been implemented and tested to ensure the sustainability of this economic segment. Therefore, this study aimed... ... |
 Autoria: DIAS, J. A.; MENEZES, C. A. de; BRITO, M. A. V. P.; LANGE, C. C.; QUEIROZ, R. B. de ABSTRACT - Staphylococcus is one of the most frequent etiological agents of bovine mastitis, causing economic losses to milk farming. This study aimed to describe the milk production and management pr... ... |
 The singularity of the medicinal knowledge of the Huni Kui people from the western Brazilian Amazon. Autoria: PENEDO, T. S. DE A.; QUINET, A.; HAVERROTH, M.; PEIXOTO, A. L. Studies that aim to analyze the transcultural traditional knowledge from different countries still in their infancy but are essential to favor an equal and fair division of the benefits resulting from... ... |
 Autoria: OLIVEIRA, L. F. M. de; SALMAN, A. K. D.; GIORDANI JUNIOR, R.; CAVALI, J.; LOPES, C. B.; RODRIGUES, E. C. A.; BAIER, F. X.; PORTO, M. O. The aim of this study was to evaluate milk composition of Murrah buffalo cows supplemented with rations containing cupuassu byproduct in substitution of ground corn. Isoprotein and isoenergy rations w... ... |
 Autoria: COSTA, L. da S. M. da; RAMOS, L. de B.; SALES, F. de; DRUMOND, P. M.
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 Autoria: VASCONCELOS NETO, E. L.; AZEVEDO, C.; RIBAS, L.; OLIVEIRA, M. N. d' Agrupamento ecológico e funcional de espécies florestais na Amazônia Sul Ocidental. |
 Autoria: SOUZA, M. S. DE; MENDES, A. M.; CAMPOS, M. C. C.; PEREIRA, M. G.; SANTOS, O. A. Q. DOS; BRITO FILHO, E. G. DE RESUMO: Atributos indicadores da qualidade do solo em áreas sob diferentes sistemas de uso da terra, na Amazônia Ocidental. A antropização de ambientes naturais, quando realizada de forma inadequada,... ... |
 Autoria: SILVA, G. N.; BARROSO, L. M. A.; CRUZ, C. D.; ROCHA, R. B.; FERREIRA, F. M. The evaluation of morphological characters related to the hulled coffee yield subsidizes the selection of Coffea canephora plants that combine a set of favorable traits. However, the greater the numbe... ... |
 Autoria: PERIN, R.; TONATO, F.; SOUSA, J. N.; MARTINS, G. C. The objective of this study was to evaluate the stock (STC) and the C content (Ccont) in the soil in the tree lines or pasture lane of an integrated system iCLF with Mahogany (Swietenia macrophylla) a... ... |
 Autoria: COSTA, I. N. DA; AGUIRRE, A. DE A. R.; PAULO, P. F. M. DE; RODRIGUES, M. M. DE S.; RODRIGUES, V. DA S.; SUZIN, A.; SZABÓ, M. P. J.; ANDREOTTI, R.; MEDEIROS, J. F.; GARCIA, M. V.
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 Autoria: MACEDO, R. S.; TEIXEIRA, W. G.; MARTINS, G. C.; LIMA, H. N.; SOUZA, A. C. G. de; ENCINAS, O. C. Correlation of differents soils profiles with anthropic horizon of cities in Amazon State/Brazil through of Soils Classification Brazilian System (SiBCS), of World Reference Base for Soil Resources (W... ... |
 Autoria: NEGREIROS, L. P.; PEREIRA, F. B.; TAVARES-DIAS, M. The diversity, similarity and seasonal variation of metazoan parasite communities in Calophysus macropterus in the Acre and Iaco rivers, in the western Amazon (Brazil), was investigated. Parasites fro... ... |
 Autoria: MARTORANO, L. G.; MORAES, J. R. da S. C. de; SILVA, L. K. X.; FERNANDES, P. C. C.; AMARAL JÚNIOR, J. M. do; LISBOA, L. S.; NEVES, K. A. L.; PACHECO, A.; BELDINI, T. P.; APARECIDO, L. E. de O.; SILVA, W. C. da; GODINHO, V. de P. C. The Brazilian Amazon has a large bovine herd and is an important exporter of meat from cattle and is also one of the most competitive regions for exportation of animal protein. Conventional extensive... ... |
 Autoria: NEGREIROS, L. P.; PEREIRA, F. B.; TAVARES-DIAS, M.; TAVARES, L. E. R. The present investigation evaluated the influence of seasonality and locality on the structure of the parasite community of the catfish Pimelodus blochii. A total of 160 fish were collected from two r... ... |
 Autoria: OLIVEIRA, T. K. de; BRAVIN, M. P.; SILVA, D. V. da In crop-livestock-forest systems in the Amazon region, nitrogen fertilization is highly variable. It varies according to soil type, cropping system and the use of nitrogen demanding species such as co... ... |
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