Amazon Amapa Brazil
Mostrando 1-12 de 23 artigos, teses e dissertações.
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1. Association between frailty syndrome and sedentary behavior among community-dwelling older adults in the Amazon region: a cross-sectional study
ABSTRACT BACKGROUND: Existence of an association between sedentary behavior and frailty among older adults has been suggested. However, there is a lack of studies conducted in Brazil, especially in areas of the Amazon region. OBJECTIVE: To analyze the association between frailty syndrome and sedentary behavior among community-dwelling older adults. DESIGN
Sao Paulo Med. J.. Publicado em: 2021-06
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2. A new species of Paralithoxus (Siluriformes: Loricariidae: Ancistrini) from the highlands of Serra da Mocidade, Roraima State, Brazilian Amazon
RESUMO Uma nova espécie de Paralithoxus é descrita do rio Ajarani, um pequeno tributário da bacia do rio Branco, Estado de Roraima, Amazônia Brasileira. O gênero Paralithoxus é composto por espécies descritas para as drenagens do Essequibo na Guiana, Approuague e Maroni na Guiana Francesa, rio Suriname no Suriname, e mais recentemente, para os rios Ja
Neotrop. ichthyol.. Publicado em: 02/12/2019
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3. A hybrid swarm of manatees along the Guianas coastline, a peculiar environment under the influence of the Amazon River plume
Abstract: The West Indian (Trichechus manatus) and Amazonian (T. inunguis) manatees have a sympatric occurrence at the mouth of the Amazon River. A result of this interspecific encounter is the occurrence of hybrids, which are frequently found along the coasts of Amapá state in Brazil, French Guiana and Guyana. Here we present new genetic evidence indicatin
An. Acad. Bras. Ciênc.. Publicado em: 26/08/2019
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4. Saprobic conidial fungi associated with palm leaf litter in eastern Amazon, Brazil
Abstract: Fungi play an important role in litter decomposition in forest ecosystems and are considered an undersampled group in the Amazon biome. This study aims to describe the composition, richness and frequency of species of conidial fungi associated with palm trees in an area of the Amapá National Forest, State of Amapá, Brazil. Palm leaf litter was co
An. Acad. Bras. Ciênc.. Publicado em: 29/07/2019
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5. First report of Artystone trysibia (Isopoda: Cymothoidae) in Caquetaia spectabilis (Cichliformes: Cichlidae)
Resumo O presente estudo fornece o primeiro registro de um isópode parasito (Artystone trysibia) em Caquetaia spectabilis, um ciclídeo da Amazônia coletado no estado do Amapá, norte do Brasil. Em maio de 2018, espécimes de C. spectabilis foram coletados no baixo Rio Jari e 33,3% estavam parasitados por A. trysibia dentro do orifício tegumentar localiza
Rev. Bras. Parasitol. Vet.. Publicado em: 13/06/2019
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6. Low levels of crustacean parasite infestation in fish species from the Matapi River in the state of Amapá, Brazil
Resumo Este primeiro estudo investigou a fauna parasitária de crustáceos em 66 espécies de peixes da bacia do Rio Matapi, estado do Amapá (Brasil). Os peixes foram coletados bimestralmente no período de março de 2012 a agosto de 2013, nas estações de estiagem e chuvosa. Entre as 66 espécies (correspondendo a 722 espécimes) somente 11 espécies esta
Rev. Bras. Parasitol. Vet.. Publicado em: 06/06/2019
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7. Community ecology of parasites in four species of Corydoras (Callichthyidae), ornamental fish endemic to the eastern Amazon (Brazil)
Abstract Abstract: This study compared the parasites community in Corydoras ephippifer, Corydoras melanistius, Corydoras amapaensis and Corydoras spilurus from tributaries from the Amapari River in State of Amapá (Brazil). A total of 151 fish of these four ornamental species were examined, of which 66.2% were parasitized by one or more species, and a total
An. Acad. Bras. Ciênc.. Publicado em: 14/02/2019
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8. Increasing potential risk for American visceral leishmaniasis in Amapá, Brazil
Abstract: INTRODUCTION: The present note discusses some evidence on the increasing potential risk for American visceral leishmaniasis (AVL) transmission in the Northern Brazilian State of Amapá, the Guianan-Amazon biome. METHODS Early and present data about AVL were collected, including our recent entomological findings. RESULTS: The spread of the sand
Rev. Soc. Bras. Med. Trop.. Publicado em: 2016-12
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9. Anopheles darlingi and Anopheles marajoara (Diptera: Culicidae) susceptibility to pyrethroids in an endemic area of the Brazilian Amazon
Abstract: INTRODUCTION: This study aimed to evaluate the susceptibility of Anopheles darlingi Root (1926) and Anopheles marajoara Galvão & Damasceno (1942) to pyrethroids used by the National Malaria Control Program in Brazil. METHODS: Mosquitoes from Amapá, Brazilian Amazon, were assessed for resistance to cypermethrin, deltamethrin, and alpha-cypermeth
Rev. Soc. Bras. Med. Trop.. Publicado em: 2015-12
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10. Composition, abundance and aspects of temporal variation in the distribution of Anopheles species in an area of Eastern Amazonia
Introduction The diverse and complex environmental conditions of the Amazon Basin favor the breeding and development of Anopheles species. This study aimed to describe the composition, abundance and temporal frequency of Anopheles species and to correlate these factors with precipitation, temperature and relative humidity. Methods The study was conducted
Rev. Soc. Bras. Med. Trop.. Publicado em: 2014-06
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11. Phytoplankton of two rivers in the eastern Amazon: characterization of biodiversity and new occurrences
During the various hydrological periods in 2011, we studied the phytoplankton along an 87-km stretch of the Araguari and Falsino rivers, which are located in the eastern Brazilian Amazon, in the state of Amapá, Brazil, the most ecologically preserved state in the country. In the study area, the aquatic ecosystem is under pressure from human activities such
Acta Bot. Bras.. Publicado em: 2013-06
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12. Larval control of Anopheles (Nyssorhinchus) darlingiusing granular formulation of Bacillus sphaericus in abandoned gold-miners excavation pools in the Brazilian Amazon Rainforest
INTRODUCTION: Use of a Bacillus sphaericus based mosquito larvicide was evaluated as an intervention for malaria vector control at a mining site in Amapá, Brazil. Impacts on larval and adult densities of the primary vector Anopheles darlingi were measured over the course of a 52 week study period.METHODS: In Calçoene, State of Amapá, gold mining activity
Rev. Soc. Bras. Med. Trop.. Publicado em: 09/04/2013