Results: 169

Spatiotemporal gait parameters and recurrent falls in community-dwelling elderly women: a prospective study

BACKGROUND: Falling is a common but devastating and costly problem of aging. There is no consensus in the literature on whether the spatial and temporal gait parameters could identify elderly people at risk of recurrent falls. OBJECTIVE: To determine whether spatiotemporal gait parameters could predict r...

Trends in alcohol and tobacco use among Brazilian students: 1989 to 2010

OBJECTIVE To analyze temporal trends of the prevalence of alcohol and tobacco use among Brazilian students. METHODS We analyzed data published between 1989 and 2010 from five epidemiological surveys on students from the 6th to the 12th grade of public schools from the ten largest state capitals of Bra...

Isla Gorgona, enclave estratégico para los esfuerzos de conservación en el Pacífico Oriental Tropical

Rev. biol. trop; 62 (supl.1), 2014
Gorgona, located in the southern zone of the Pacific Ocean of Colombia, is an insular territory at 35km in a straight line from the continental margin. Although historically this island was used in different forms, since 1984 it has been among the most important protected marine areas of the Colombian Pa...

Tidepool fish assemblages of Gorgona Island, Colombian Pacific coast: a local and regional comparison

Rev. biol. trop; 62 (supl.1), 2014
The ecology of tidepool fishes has been extensively investigated worldwide over the past 40 years. As in many other ecological fields, studies in temperate zones outnumber studies carried out in tropical areas. Here, we document the short-term spatio-temporal variation of a tidepool fish assemblage from ...

Distribuição espaço-temporal da Aids na Bahia, período 2002 a 2012

A epidemia da aids persiste como grande problema de saúde pública e conhecer sua dinâmica é importante para o planejamento de políticas públicas. Este estudo analisou a evolução espaço-temporal da aids no estado da Bahia, por meio de estudo ecológico de agregados de dados no tempo e no espaç...

Distribuição temporal da demanda e positividade de testes sorológicos anti-hiv em um laboratório central municipal: há aumento depois do carnaval?

Introdução:A infecção pelo HIV pode levar à imunossupressão progressiva e resultar em um complexo de infecções relacionadas à AIDS e outras manifestações nos indivíduos acometidos. Dados do Boletim Epidemiológico AIDS 2012, relatam, de 1980 a 2010, 241.662 óbitos por AIDS no Brasil. Niteró...

Temporal and ontogenetic variations in feeding habits of Hollandichthys multifasciatus (Teleostei: Characidae) in coastal Atlantic rainforest streams, southern Brazil

Neotrop. ichthyol; 7 (3), 2009
Feeding habits of the characin Hollandichthys multifasciatus were investigated. Samplings were made between March 2004 and February 2005 in two black water streams of the coastal Atlantic rainforest in southern Brazil. The diet, evaluated by qualitative and quantitative methods, included aquatic and terr...

Stability and spatio-temporal structure in fish assemblages of two floodplain lagoons of the lower Orinoco River

Neotrop. ichthyol; 7 (4), 2009
Fish assemblage structure and variability were analyzed in two floodplain lagoons (Las Arhuacas and Los Cardonales) along the lower Orinoco over a hydrological cycle. Every three months during continuous three-day sampling, experimental gill nets (5 to 12.5 cm of mesh opening) and 1 mm-mesh seine nets we...