Abstract In this work, measuring capabilities of a Sagnac Interferometer-based Distributed Optical Fiber Sensor (DOFS) system are demonstrated by comparing its results to a conventional amplitude-based Distributed Acoustic Sensing (DAS) system. Through a set of three different experiments, it was demonstrated that both sensing systems can detect and locate dynamical deformation along the fiber, in addition to determining its frequency components. The coherent amplitude-based DAS presented a lower background noise. In contrast, even though the Sagnac interferometry-based system presented low-frequency noise in the measurements, it is less susceptible to harmonic distortion for higher amplitude deformations since its sensing principles rely on the measurement of the accumulated phase rather than the amplitude of the backscattered signal purely. Accordingly, the Sagnac interferometry-based system arises as a promising and rather accessible topology for a DOFS implementation. work Interferometerbased Interferometer based (DOFS amplitudebased (DAS experiments fiber components contrast interferometrybased interferometry lowfrequency low measurements purely Accordingly implementation

ABSTRACT This study aimed to estimate the parameters of length-weight relationship, sex ratio, and diet of three freshwater fish species that inhabit streams in the Pomba River basin (Rio de Janeiro, Brazil). Fishes were sampled with seine nets (2.0 × 1.20 m, 2 mm mesh size) and dip nets (0.46 × 0.33 m, 2 mm mesh size) from October to December 2018. Measurements were taken for total length (TL - 0.1 cm precision) and total weight (TW - 0.01 g precision). Growth model parameters were estimated. This study provides new length-weight relationship data for Deuterodon intermedius (Eigenmann, 1908), Australoheros paraibae Ottoni & Costa, 2008, and Hypostomus punctatus Valenciennes, 1840. All of them ingested a wide variety of food items, including plant material like algae, animal material such as terrestrial and aquatic insects, and undefined matter such as detritus or mud. The three species showed a higher number of females. Our study provides basic information for functional diversity studies, as well as for future investigations associated with the evaluation of anthropic impacts, either occasional or chronic, on the fish assemblage structure of the Pomba River basin.

ABSTRACT The Brazilian Navy (BN) has its combatant force concentrated in an area with only one exit to the sea. Nevertheless, Brazil has an extensive coast that needs to be patrolled and, in case of any kind of conflict, the BN must be able to defend the sovereignty and interests of the country. For this purpose, a robust and decentralized naval force is necessary, which allows the fulfillment of its mission. This paper aims to classify the most suitable cities in Brazil to be established as naval bases by applying the ELECTRE-MOr hybrid method. Seventeen cities were analyzed, which have an opening to the sea and a pre-existing minimum port structure. The alternatives were evaluated by specialists from the BN, with more than twenty years of active service, in the light of operational, economic and strategic criteria. As a result, five alternatives were classified as the most indicated headquarters for the decentralization of the naval power: Belém/PA, São Luis/MA, Fortaleza/CE, Recife/PE and Aratu/BA. This article presents relevance to academia and society, as it represents the application of a method in the state of the art to support the decision-making process in a significant problem for the sovereignty of Brazil, presenting a methodology that can be applied in issues of tactical, operational, strategic and political levels. (BN Nevertheless conflict country purpose necessary mission ELECTREMOr ELECTRE MOr analyzed preexisting pre existing structure service operational criteria result power BelémPA Belém PA Belém/PA LuisMA Luis MA Luis/MA FortalezaCE Fortaleza CE Fortaleza/CE RecifePE Recife PE AratuBA Aratu BA Aratu/BA society decisionmaking decision making tactical levels

ABSTRACT Objective: To evaluate the effectiveness of the dorsal fixation technique with a cannulated compression screw (CCS) for transverse scaphoid neck fractures. Methods: A case series study was carried out with patients treated with a CSS between April 2014 and May 2021. The main outcome was the healing of the fracture, verified by radiographic evaluation that used images of the wrist in anteroposterior, lateral, radial deviation, ulnar deviation and oblique views, obtained in the postoperative period. Results: Fifty-two patients aged between 15 and 65 years were analyzed, of which 43 (83%) were male. Of the 52 patients, 19 (36.53%) had a right-hand injury and 33 (63.46%) had a left-hand injury. Results were excellent in 47 patients (90.38%); good in 4 patients (7.69%), with reduced mobility compared to contralateral and poor in 1 patient (1.92%), with failure of consolidation and breakage of the synthesis material. In 51 cases (99%) there was bone consolidation at the end of six months. Conclusion: Osteosynthesis with a cannulated compression screw is a safe, effective and promising method for the treatment of scaphoid neck fractures. Level of Evidence IV, Case Series.

RESUMO Objetivo: Avaliar a eficácia da técnica de fixação dorsal com parafuso canulado de compressão (CCS) para fraturas transversas do colo do escafoide. Métodos: Foi realizado um estudo de série de casos com pacientes tratados com CSS entre abril de 2014 e maio de 2021. O desfecho principal foi a consolidação da fratura, verificada por meio da avaliação radiográfica das imagens do punho em anteroposterior, perfil, desvio radial, desvio ulnar e oblíquo obtidas no pós-operatório. Resultados: Foram analisados 52 pacientes com idade entre 15 e 65 anos, sendo 43 (83%) do sexo masculino. Dos 52 pacientes, 19 (36,53%) tinham lesão na mão direita e 33(63,46%) na mão esquerda. Os resultados foram excelentes em 47 dos pacientes (90,38%); bons em quatro (7,69%), com mobilidade reduzida comparada ao membro contralateral; e ruim em um (1,92%), com falha da consolidação e quebra do material de síntese. Em 51 casos (99%) houve consolidação óssea ao final de seis meses. Conclusão: A osteossíntese com parafuso canulado de compressão é um método seguro, eficaz e promissor para o tratamento das fraturas no colo do escafoide. Nível de Evidência IV, Série de Casos.

Objective: To analyze the temporal trend and spatial distribution of visceral leishmaniasis (VL) in the state of Piauí, Brazil, from 2007 to 2019. Methods: Ecological time series study. The Prais-Winsten regression was used to analyze the trend in the incidence, lethality and operational indicators of VL. Results: The mean incidence of VL in the state was 6.03/100,000 inhabitants, with an increasing trend in the 40-59 age group [annual percentage variation (VPA = 3.88 [95%CI 0.49;7.40]) and in the regions located in the south of the state: Tabuleiros do Alto Parnaíba (VPA =14.19 [95%CI 3.91;25.50]) and Chapada das Mangabeiras (VPA = 12.15 [95%CI 6.69;24.96]). The average lethality was 6.02%, remaining stable. The average rate of evolution to cure was 52.58%, with a decreasing trend (VPA = -5.67 [95%CI -8.05;-3.23]). Conclusion: There was a trend towards an increase in the incidence and a reduction in the cure rate of VL.

Objetivo: Analizar tendencia temporal y distribución espacial de leishmaniasis visceral (LV) en estado de Piauí, Brasil, de 2007 a 2019. Métodos: Estudio de series temporales ecológicas. Se utilizo regresión de Prais-Winsten para analizar tendencia en indicadores de incidencia, letalidad y operacional del LV. Resultados: La incidencia media de LV em estado fue de 6,03/100 mil habitantes, com tendencia creciente en grupo de 40 a 59 años [variación porcentual anual (VPA = 3,88 [IC95% 0,49;7,40]) y en regiones ubicadas al sur del estado: Tabuleiros do Alto Parnaíba (VPA = 14,19 [IC95% 3,91;25,50]) y Chapada das Mangabeiras (VPA = 12,15 [IC95% 6,69;24,96]). La letalidad media fue 6,02%, permaneciendo estable. La tasa media de evolución a curación fue 52,58%, con tendencia decreciente (VPA = -5,67 [IC95% -8,05;-3,23]). Conclusión: Hubo tendencia hacia aumento em incidencia y reducción en tasa de curación de LV.

Objetivo: Analisar a tendência temporal e a distribuição espacial da leishmaniose visceral (LV) no estado do Piauí, Brasil, no período de 2007 a 2019. Métodos: Estudo ecológico de séries temporais. Empregou-se a regressão de Prais-Winsten para analisar a tendência da incidência, letalidade e indicadores operacionais da LV. Resultados: A incidência média de LV no estado foi de 6,03/100 mil habitantes, com tendência crescente na faixa de 40-59 anos (variação percentual anual [VPA] = 3,88 [IC95%0,49;7,40]) e nas regiões localizadas ao sul do estado: Tabuleiros do Alto Parnaíba (VPA = 14,19 [IC95% 3,91;25,50]) e Chapada das Mangabeiras (VPA = 12,15 [IC95% 6,69;24,96]). A letalidade média foi de 6,02%, mantendo-se estável. A taxa média de evolução para cura foi de 52,58%, com tendência decrescente (VPA = -5,67 [IC95% -8,05;-3,23]). Conclusão: Houve tendência de aumento na incidência e de redução na taxa de cura da leishmaniose visceral.

RESUMO O Rio Machado é o principal afluente do Rio Madeira no estado de Rondônia, uma região impactada por desmatamento, pecuária, desenvolvimento urbano, mineração de ouro e efluentes urbanos e industriais, que provavelmente contribuem para a introdução de mercúrio (Hg) no sistema aquático. Nosso objetivo foi determinar as concentrações de Hg total (THg) em músculo e fígado de Plagioscion squamosissimus, um importante recurso pesqueiro na região. Os peixes foram amostrados durante dois anos em cinco locais ao longo de 90 km no médio Rio Machado. As concentrações de THg foram analisadas em 64 amostras de músculos e 54 de fígado por espectrofotometria de absorção atômica com vapor frio (FIMS-400). As concentrações de mercúrio foram relacionadas ao tamanho e sexo dos peixes, e com períodos do ciclo hidrológico. As concentrações de THg em ambos os órgãos foram relacionadas positiva e significativamente com o tamanho corporal dos peixes. Não houve variação significativa do THg entre os períodos do ciclo hidrológico. As concentrações médias de THg no músculo (1,09 ± 0,72 mg kg-1) e no fígado (1,28 ± 1,23 mg kg-1) foram superiores ao limite estabelecido pela OMS. Os resultados sugerem que o mercúrio residual da extração de ouro e lixiviação de mercúrio que ocorre naturalmente no solo desmatado está se acumulando na cadeia alimentar aquática do Rio Machado. Concluímos que é necessário monitorar os níveis de mercúrio em espécies de peixes comerciais na região.

ABSTRACT The Machado River is the main tributary of the Madeira River in the state of Rondônia, a region that has been impacted by deforestation, livestock, urban development, alluvial gold mining and urban and industrial effluents that likely contribute to the introduction of mercury (Hg) in the aquatic system. We aimed to determine the concentrations of total Hg (THg) in muscle and liver of Plagioscion squamosissimus, a main fishing resource in the region. Fish were sampled for two years at five sites, along a 90-km stretch of the middle Machado River. THg concentrations were analyzed in 64 muscle and 54 liver samples by cold vapor atomic absorption spectrophotometry (FIMS-400). THg levels were related with fish size and sex and with periods of the hydrological cycle. THg concentrations in both organs were positively and significantly related with fish body size. There was no significant variation in THg among periods of the hydrological cycle. Mean THg concentrations in muscle (1.09 ± 0.72 mg kg-1) and liver (1.28 ± 1.23 mg kg-1) were higher than the limit established by the WHO. Our results suggest that residual mercury from former alluvial gold extraction and lixiviation of mercury naturally occurring in the soil due to large-scale deforestaion is accumulating in the aquatic food chain in the Machado River. We conclude that it is necessary to monitor the levels of mercury in commercially important fish species in the region.

Resumo Objetivo Analisar indicadores epidemiológicos e operacionais, a tendência temporal e a distribuição espacial da leishmaniose visceral (LV), bem como a coinfecção LV-HIV no estado do Piauí, Brasil, no período de 2007 a 2019. Métodos Estudo ecológico de séries temporais. Empregou-se a regressão de Prais-Winsten para analisar a tendência da incidência, letalidade e indicadores operacionais da LV. Resultados A incidência média de LV no estado foi de 6,03/100 mil habitantes, com tendência crescente na faixa de 40-59 anos [variação percentual anual (VPA) = 3,88; IC95% 0,49;7,40]; e nas regiões localizadas ao sul do estado: Tabuleiros do Alto Parnaíba (VPA = 14,19; IC95% 3,91;25,50); e Chapada das Mangabeiras (VPA = 12,15; IC95% 6,69;24,96). A letalidade média foi de 6,02%, mantendo-se estável. A taxa média de evolução para cura foi de 52,58%, com tendência decrescente (VPA = -5,67; IC95% -8,05;-3,23). Conclusão Houve tendência de aumento na incidência e de redução na taxa de cura da leishmaniose visceral.

Abstract Objective To analyze epidemiological and operational indicators, the temporal trend and spatial distribution of visceral leishmaniasis (VL), as well as VL-HIV co-infection in the state of Piauí, Brazil, from 2007 to 2019. Methods This was an ecological time series study. Prais-Winsten regression was used to analyze the trend of VL incidence, case fatality ratio and operational indicators. Results Mean VL incidence in the state was 6.03/100,000 inhabitants, with a rising trend in the 40-59 age group [annual percent change (APC) = 3.88; 95%CI 0.49;7.40] and in the regions located in the south of the state: Tabuleiros do Alto Parnaíba (APC = 14.19; 95%CI 3.91;25.50) and Chapada das Mangabeiras (APC = 12.15; 95%CI 6.69;24.96). Mean case fatality ratio was 6.02% and it remained stable. The mean rate of progression to cure was 52.58%, with a falling trend (APC = -5.67; 95%CI -8.05; -3.23). Conclusion There was rising trend in VL incidence and a falling trend in its cure rate.

Resumen Objetivo Analizar los indicadores epidemiológicos y operativos, la tendencia temporal y la distribución espacial de la leishmaniasis visceral (LV), así como la coinfección LV-VIH el estado de Piauí, Brasil, de 2007 a 2019. Métodos Estudio ecológico de series temporales ecológicas. Se utilizó la regresión de Prais-Winsten para analizar la tendencia en indicadores de incidencia, letalidad y operacional del LV. Resultados La incidencia media de LV em estado fue de 6,03/100 mil habitantes, con tendencia creciente en grupos de 40 a 59 años [variación porcentual anual (VPA) = 3,88; IC95% 0,49;7,40] y en regiones ubicadas al sur del estado: Tabuleiros do Alto Parnaíba (VPA = 14,19; IC95% 3,91;25,50) y Chapada das Mangabeiras (VPA = 12,15; IC95% 6,69;24,96). La letalidad promedio fue de 6,02%, permaneciendo estable. La tasa media de evolución a la cura fue 52,58%, con tendencia decreciente (VPA = -5,67; IC95% -8,05; -3,23). Conclusión Hubo tendencia de aumento en la incidencia y reducción en la tasa de cura de LV.

RESUMO Nós analisamos a variação sazonal na dieta, a amplitude do nicho trófico (Índice de Levins), a partição dos recursos alimentares (Índice simétrico de Pianka) e o nível trófico (média do nível trófico de cada presa determinada pela plataforma FishBase e SeaLifeBase) de Plagioscion squamosissimus (Heckel, 1840) e Hydrolycus scomberoides (Cuvier, 1819) no rio Machado, Rondônia, Brasil. As amostragens de peixes foram realizadas bimestralmente de junho de 2013 a maio de 2015 em cinco locais, utilizando oito conjuntos de redes de emalhar. A frequência de ocorrência e a frequência volumétrica foram utilizados para quantificar os itens alimentares. Analisamos o conteúdo estomacal de 283 indivíduos, 134 de H. scomberoides e 149 de P. squamosissimus. Peixes foram o item alimentar mais consumido pelas duas espécies piscívoras. No entanto, H. scomberoides ingeriu principalmente peixes pelágicos (ex. peixes Characiformes e Prochilodus nigricas Spix & Agassiz, 1829), enquanto P. squamosissimus consumiu principalmente peixes bentônicos [ex. Pimelodus blochii Valenciennes, 1840 e Tenellus trimaculatus (Boulenger, 1898)]. Hydrolycus scomberoides apresentou nível trófico de 3,55 para ambos os períodos analisados, enquanto para P. squamosissimus o nível trófico foi de 4,01 no período da cheia e 3,82 no período de seca. Variações sazonais na dieta de H. scomberoides e P. squamosissimus foram observadas (PERMANOVA). Especificamente, P. squamosissimus consumiu principalmente peixes “Siluriformes” e P. blochii no período de seca. A largura do nicho trófico de P. squamosissimus foi maior que a de H. scomberoides no período da cheia. Plagioscion squamosissimus e H. scomberoides apresentaram baixa (0,35) sobreposição de nicho alimentar nas duas estações analisadas. Os dados indicaram que P. squamosissimus tem hábito alimentar generalista, enquanto H. scomberoides é especializado na seleção de presas. A sobreposição de nicho alimentar entre as espécies em ambos os períodos do ciclo hidrológico foi baixa, indicando que a partição de nicho foi provavelmente o principal mecanismo de coexistência dessas espécies, com pouca relação com as variações do ciclo hidrológico.

ABSTRACT We analyzed the seasonal variation in the diet, trophic niche breadth (Levins index), the partitioning of food resources (Pianka’s symmetric index) and trophic level (weighed average of trophic level of each prey determined in FishBase and SeaLifeBase platform) of Plagioscion squamosissimus (Heckel, 1840) and Hydrolycus scomberoides (Cuvier, 1819) in the Machado River, Rondônia, Brazil. Fish samplings were conducted bimonthly from June 2013 to May 2015 in five sites, using eight sets of gillnets. The occurrence frequency and volumetric frequency were used to quantify the food items. We analyzed the stomach contents of 283 individuals, 134 of H. scomberoides and 149 of P. squamosissimus. Fish were the most consumed food item by both piscivorous species. However, H. scomberoides mostly ingested pelagic fish (e.g. Characiformes fishes and Prochilodus nigricas Spix & Agassiz, 1829), while P. squamosissimus mostly consumed benthic fish [e.g. Pimelodus blochii Valenciennes, 1840 and Tenellus trimaculatus (Boulenger, 1898)]. Hydrolycus scomberoides presented the trophic level 3.55 for both periods analyzed, while P. squamosissimus 4.01 in the flood period and 3.82 in the drought period. Seasonal variations in the diet of H. scomberoides and P. squamosissimus were observed (PERMANOVA). Specifically, P. squamosissimus consumed mainly “Siluriformes” fishes and P. blochii in the drought period. The trophic niche breadth of P. squamosissimus was greater than that of H. scomberoides in the flood period. The species P. squamosissimus and H. scomberoides had low (0.35) food niche overlap in both seasons analysed. The data indicated that P. squamosissimus has a generalist feeding habit, while H. scomberoides is specialized in prey selection. The overlap of food niche between the species in both periods of the hydrological cycle was low, indicating that niche partitioning was probably the main mechanism of coexistence of these species, with little relationship with variations of the hydrological cycle.

Resumo Objetivo Analisar indicadores epidemiológicos e operacionais, a tendência temporal e a distribuição espacial da leishmaniose visceral (LV), bem como a coinfecção LV-HIV no estado do Piauí, Brasil, no período de 2007 a 2019. Métodos Estudo ecológico de séries temporais. Empregou-se a regressão de Prais-Winsten para analisar a tendência da incidência, letalidade e indicadores operacionais da LV. Resultados A incidência média de LV no estado foi de 6,03/100 mil habitantes, com tendência crescente na faixa de 40-59 anos [variação percentual anual (VPA) = 3,88; IC95% 0,49;7,40]; e nas regiões localizadas ao sul do estado: Tabuleiros do Alto Parnaíba (VPA = 14,19; IC95% 3,91;25,50); e Chapada das Mangabeiras (VPA = 12,15; IC95% 6,69;24,96). A letalidade média foi de 6,02%, mantendo-se estável. A taxa média de evolução para cura foi de 52,58%, com tendência decrescente (VPA = -5,67; IC95% -8,05;-3,23). Conclusão Houve tendência de aumento na incidência e de redução na taxa de cura da leishmaniose visceral.

Abstract Objective To analyze epidemiological and operational indicators, the temporal trend and spatial distribution of visceral leishmaniasis (VL), as well as VL-HIV co-infection in the state of Piauí, Brazil, from 2007 to 2019. Methods This was an ecological time series study. Prais-Winsten regression was used to analyze the trend of VL incidence, case fatality ratio and operational indicators. Results Mean VL incidence in the state was 6.03/100,000 inhabitants, with a rising trend in the 40-59 age group [annual percent change (APC) = 3.88; 95%CI 0.49;7.40] and in the regions located in the south of the state: Tabuleiros do Alto Parnaíba (APC = 14.19; 95%CI 3.91;25.50) and Chapada das Mangabeiras (APC = 12.15; 95%CI 6.69;24.96). Mean case fatality ratio was 6.02% and it remained stable. The mean rate of progression to cure was 52.58%, with a falling trend (APC = -5.67; 95%CI -8.05; -3.23). Conclusion There was rising trend in VL incidence and a falling trend in its cure rate.

Resumen Objetivo Analizar los indicadores epidemiológicos y operativos, la tendencia temporal y la distribución espacial de la leishmaniasis visceral (LV), así como la coinfección LV-VIH el estado de Piauí, Brasil, de 2007 a 2019. Métodos Estudio ecológico de series temporales ecológicas. Se utilizó la regresión de Prais-Winsten para analizar la tendencia en indicadores de incidencia, letalidad y operacional del LV. Resultados La incidencia media de LV em estado fue de 6,03/100 mil habitantes, con tendencia creciente en grupos de 40 a 59 años [variación porcentual anual (VPA) = 3,88; IC95% 0,49;7,40] y en regiones ubicadas al sur del estado: Tabuleiros do Alto Parnaíba (VPA = 14,19; IC95% 3,91;25,50) y Chapada das Mangabeiras (VPA = 12,15; IC95% 6,69;24,96). La letalidad promedio fue de 6,02%, permaneciendo estable. La tasa media de evolución a la cura fue 52,58%, con tendencia decreciente (VPA = -5,67; IC95% -8,05; -3,23). Conclusión Hubo tendencia de aumento en la incidencia y reducción en la tasa de cura de LV.

ABSTRACT Military issues have great relevance worldwide since they affect the security and sovereignty of nations. In this context, the application of Multicriteria Decision Analysis (MCDA) methods is important because accurate decision-making is the deciding factor for success, which can reduce expenses and increase defense capacity. This paper aims to present a literature review on the main applications of MCDA in the military area, considering the tactical, operational and strategic spheres. The methodology includes a bibliometric study and literature review of documents from the Scopus and Web of Science databases. The bibliometric study identified the document type, language, year of publication, authors, author network, author’s publications, affiliation, keyword clusters, the field of knowledge, country and the main applied MCDA methods in military problems. The literature review allows us to verify that, as well as in other areas of knowledge, the Analytic Hierarchy Process (AHP) is the most applied MCDA method in the military area.

Resumo Com o objetivo de analisar os efeitos previstos pela Teoria Econômica para a proibição de fiscalização com radares móveis experimentada em 2019 no Brasil, este trabalho utiliza o ferramental usual de Teoria dos Jogos para modelar de forma parcimoniosa a interação estratégica entre a fiscalização de excesso de velocidade e os condutores de veículos. Em grandes linhas, o modelo prevê para as áreas até então fiscalizadas com radares móveis uma intensificação da fiscalização, com uso de radares fixos, nas localidades mais perigosas e uma descontinuidade de fiscalização naquelas mais seguras.

RESUMO Poucos estudos sobre assembleias de peixes de sistemas aquáticos do sudeste da Amazônia foram realizados quando comparado a outras áreas na Amazônia. As principais variáveis ambientais e processos responsáveis por sua estruturação permanecem desconhecidas. Nossa hipótese é que as assembleias de peixes respondem as variações das variáveis físico-químicas entre as estações do ciclo hidrológico em um rio preservado na Amazônia. O estudo analisou as assembleias de peixes do rio Tarumã, na Reserva Biológica do Jaru, Rondônia. As amostragens foram realizadas em cinco pontos amostrais ao longo do rio, em março e setembro de 2015, que incluiu coleta de peixes e medições de dados ambientais. A Análise de Componentes Principais ordenou os pontos amostrais nos períodos de cheia e seca, de acordo com as variáveis ambientais. Utilizamos uma análise de similaridade afim de identificar a contribuição individual de cada espécie em cada período hidrológico e uma análise de redundância parcial com o objetivo de quantificar a importância relativa das variáveis ambientais na composição das espécies. Conforme previsto por nossa hipótese, a composição de espécies do rio Tarumã é influenciada pelo oxigênio dissolvido e temperatura. Myloplus rubripinnis, Serrasalmus compressus e S. rhombeus foram mais abundantes durante o período de cheia, enquanto S. rhombeus, Myloplus lobatus, Prochilodus nigricans e Hydrolycus armatus foram as espécies dominantes no período de seca.

ABSTRACT Few studies on fish assemblages and relations with environmental factors in aquatic systems in southeastern Amazonia have been carried out when compared to other areas in the Amazon. Therefore, which are the main environmental variables and processes responsible for structuring them remains unknown. We hypothesized that fish assemblages respond the variation in the physical-chemistry variables between seasons of the hydrological cycle in a pristine river in the Amazon. The study was performed on fish assemblages of the Tarumã River, Jaru Biological Reserve, Rondônia. Samplings were carried out in five sites along the river in March and September, 2015, which included fish collection and environmental data measurements. Principal component analysis was performed to ordinate the sites in high water and low water seasons, according to environmental variables. We used a similarity analysis in order to identify the individual contribution of species in hydrological period and a partial redundancy analysis for quantify the relative importance of environmental variables in the species composition. As predicted by our hypothesis, the species composition was influenced by dissolved oxygen and temperature. Myloplus rubripinnis, Serrasalmus compressus, and S. rhombeus were the most abundant during high water, while S. rhombeus, Myloplus lobatus, Prochilodus nigricans, and Hydrolycus armatus were the dominant species during the low water.

Abstract Paper aims This paper aims to select the best helicopter to be acquired by the Brazilian Navy (BN), enabling greater logistical and combat capacity in marine operations. For this purpose, we applied the AHP-TOPSIS-2N, a hybrid multicriteria method composed by the Analytic Hierarchy Process (AHP), Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) and two normalization procedures (2N). Originality In this paper, a real military case study is conducted to support the decision-making process in BN, contributing to the better performance of the Brazilian Armed Forces. The application of the methodology resulted in two lists of ordering and prioritization of helicopters, providing transparency and simplicity to the decision-making process. Research method We analyzed six aircraft models, considering attack helicopters used by the Armed Forces of developed countries, in the light of their operational and tactical criteria. The selected helicopter would be employed in the fire support and reconnaissance, required by the Brazilian Marine Corps Amphibious Operations. Main findings After the application of the method, the AH-64E APACHE was chosen as the most suitable helicopter to be acquired by the Brazilian Navy. Implications for theory and practice This study brings valuable contribution to academia and society, since it represents the application of a Multi-criteria Decision Analysis (MCDA) method in the state of the art to contribute to the solution of a real problem of the BN. The methodology presented in this paper can notably be used to solve real problems of the most varied types – tactical, operational and strategic – thus being a very useful method for decision-making.

Abstract Two types of Epstein Barr virus (EBV1/EBV2) have been shown to infect humans. Although their genomes are similar, the regions containing the EBNA genes differ. This study aimed to characterize the EBV genotypes of infectious mononucleosis (IM) cases in the metropolitan region of Belém, Brazil, from 2005 to 2016. A total of 8295 suspected cases with symptoms/signs of IM were investigated by infectious disease physicians at Evandro Chagas Institute, Health Care Service, from January 2005 to December 2016. Out of the total, 1645 (19.8%) samples had positive results for EBV by enzyme immunoassay and 251 (15.3%) were submitted to polymerase chain reaction (PCR) technique, using the EBNA3C region, in order to determine the type of EBV. Biochemical testing involving aspartate aminotransferase, alanine aminotransferase and gamma-glutamyl transferase were also performed. EBV type was identified by PCR in 30.3% (76/251) of individuals; of those, 71.1% (54/76) were classified as EBV1, 17.1% (13/76) as EBV2, and 11.8% (9/76) as EBV1+EBV2. The main symptoms/signs observed with EBV1 infection were cervical lymphadenopathy (64.8%, 35/54), fever (63%, 34/54), headache (20.4%, 11/54), arthralgia (20.4%, 11/54), and exanthema (18.5%, 10/54). EBV2 infection was detected in all but two age groups, with an average age of 24 years. The most common signs/symptoms of EBV2 were fever (76.9%, 10/13), average duration of 18 days, and lymphadenopathy (69.2%, 9/13). In contrast, EBV1+EBV2 coinfections were more frequent in those aged five years or less (20.0%, 2/10). The symptoms of EBV1+EBV2 coinfection included fever (66.7%, 6/9), and cervical lymphadenopathy and headache (33.3%, 3/9) each. The mean values of hepatic enzymes according to type of EBV was significantly different (p<0.05) in those EBV1 infected over 14 years of age. Thus, this pioneering study, using molecular methods, identified the EBV genotypes in 30.3% of the samples, with circulation of EBV1, EBV2, and EBV1+EBV2 co-infection in cases of infectious mononucleosis in the northern region of Brazil.

RESUMO OBJETIVO Avaliar a prevalência de infecção por vírus da imunodeficiência humana (HIV), sífilis e hepatite B entre mulheres privadas de liberdade do estado de Roraima e sua correlação com percepções, conhecimento e fatores comportamentais. MÉTODO Trata-se de estudo de corte transversal, com amostragem sistemática simples, realizado na Cadeia Pública Feminina de Boa Vista, estado de Roraima, no ano de 2017. Foram avaliadas 168 detentas (93,8% da população) por meio de entrevista face a face e testes rápidos. RESULTADOS A prevalência de alguma infecção sexualmente transmissível (IST) foi de 20,2%, sendo 4,7% de HIV, 15,5% de sífilis, e 0,0% de hepatite B. A análise multivariada confirmou como fatores de risco para adquirir uma IST: ter mais de 30 anos de idade [ odds ratio (OR) ajustada: 2,57; IC95% 1,03–6,40); baixa escolaridade (OR ajustada: 2,77; IC95% 1,08–5,05); pouco conhecimento sobre o uso da camisinha (OR ajustada: 2,37; IC95% 1,01–7,31); e achar que não há risco de contrair sífilis (OR ajustada: 2,36; IC95% 1,08–6,50). CONCLUSÃO A população privada de liberdade constitui um grupo de alta vulnerabilidade às IST. A elevada prevalência dessas infecções pode ser explicada por déficits de conhecimento sobre o assunto, percepções distorcidas e condições peculiares ao aprisionamento, que resultam em comportamento de risco. Ressalta-se a necessidade de implantar programas educativos de prevenção, diagnóstico e tratamento de IST para essa população.

ABSTRACT OBJECTIVE To evaluate the prevalence of HIV, syphilis and hepatitis B infection among women deprived of liberty in the state of Roraima, Brazil, and its correlation with perceptions, knowledge and behavioral factors. METHOD This is a cross-sectional study, with simple systematic sampling, conducted at the Public Female Prison in Boa Vista, State of Roraima, in 2017. A total of 168 inmates (93.8% of the population) were evaluated by in-person interviews and rapid tests. RESULTS The prevalence of sexually transmitted infections (STI) was 20.2%, being 4.7% HIV, 15.5% syphilis, and 0.0% hepatitis B. Multivariate analysis confirmed as risk factors for acquiring an STI: being over 30 years of age [adjusted odds ratio (OR): 2.57; 95%CI 1.03–6.40); low schooling (adjusted OR: 2.77; 95%CI 1.08–5.05); little knowledge about condom use (adjusted OR: 2.37; 95%CI 1.01–7.31); and believing that there is no risk of contracting syphilis (adjusted OR: 2.36; 95%CI 1.08–6.50). CONCLUSION The population deprived of liberty is a group of highly vulnerable to STI. The high prevalence of these infections can be explained by knowledge deficits on the subject, distorted perceptions and conditions peculiar to imprisonment, which result in risky behavior. We emphasize the need to implement educational programs for preventing, diagnosing and treating STI for this population.