Results 61 to 70 of about 362 (170)

Estudos sorológicos para pesquisa de anticorpos de arbovírus em população humana da região do Vale do Ribeira: IV - inquérito em escolares residentes no município de Iguape, SP (Brasil) A serological study for research into arbovirus antibodies in the human population in the Ribeira Valley: IV - survey among school-children in Iguape County (S. Paulo State, Brazil)

open access: yesRevista de Saúde Pública, 1983
Relatam-se os resultados de inquérito sorológico para pesquisa de anticorpos de 17 arbovírus em 337 escolares de 6 a 14 anos de idade, residentes em quatro áreas, com diferentes características ecológicas, situadas no município de Iguape, Vale do Ribeira,
Lygia Busch Iversson   +4 more
doaj   +1 more source

Studies on mosquitoes (Diptera: Culicidae) and anthropic environment: 8- Survey of adult behaviour of Spissipes Section species of Culex (Melanoconion) in South-Eastern Brazil

open access: yesRevista de Saúde Pública, 1995
A study of Spissipes Section of Culex (Melanoconion) adults behaviour was carried out from August 1992 through December 1993 in human dominated (anthropic) environment in the Ribeira Valley, S.Paulo State, Brazil.
Forattini Oswaldo Paulo   +4 more
doaj   +3 more sources

Studies on mosquitoes (Diptera: Culicidae) and anthropic environment. 12- Host-seeking behaviour of Anopheles albitarsis s.l. in South-Eastern Brazil

open access: yesRevista de Saúde Pública, 1996
Results obtained with Anopheles albitarsis s.l. catches mainly performed through human bait at the Ribeira Valley region, SP (Brazil), are reported. Two species of the complex were recognized, namely An. albitarsis s.s. and species B.
Forattini Oswaldo Paulo   +3 more
doaj  

SOIL EROSION FACTOR ESTIMATION IN THE REGION OF RIBEIRA VALLEY, SAO PAULO STATE, BRAZIL

open access: yes, 2021
Erosion of water contributes to soil degradation and siltation of rivers and water reservoirs. Identification of areas prone to erosion is obtained using mathematical modelling in conjunction with geoprocessing techniques. Therefore, the aim of this study was to analyze rainfall distribution and to estimate the erosiveness factor of rain for Ribeira ...
Batista, Reginaldo Antonio Weissenberg   +4 more
openaire   +1 more source

Encefalite na região do Vale do Ribeira, São Paulo, Brasil, no período pós-epidêmico de 1978 a 1983: situação do diagnóstico etiológico e características epidemiológicas Encephalitis in the Ribeira Valley (S. Paulo, Brazil) in the post-epidemic period of 1978-1983: a discussion on aspects of etiological diagnosis and epidemiological characteristics

open access: yesRevista de Saúde Pública, 1984
Relatam-se os resultados do levantamento de dados referentes ao diagnóstico etiológico, distribuição e letalidade das encefalites na região do Vale do Ribeira, São Paulo, Brasil, no período de 1978 a 1983, após uma epidemia de encefalite por arbovírus ...
Lygia Busch Iversson   +1 more
doaj   +1 more source

Feeding preferences of Culicidae mosquitoes in the Ribeira Valley, S.Paulo State, Brazil

open access: yes, 1987
Results of blood-meal identification for mosquitoes collected in 5 different Ribeira Valley (S.Paulo State, Brazil) environments are presented. Precipitin tests identified the sources of 1444 blood-meals. Aedes mosquitoes fed chiefly on mammals. Ae. scapularis showed a preference for cattle and horses. Ae. serratus also obtained meals from avian hosts.
Forattini, Oswaldo Paulo   +4 more
openaire   +1 more source

Quilombolas: honey production in family beekeeping in the Ribeira Valley, São Paulo

open access: yes, 2015
A apicultura familiar é uma atividade econômica e ecológica (devido à polinização) indispensável para sistemas de agricultura familiar que tem por finalidade trazer a inclusão social, renda fixa e bases ecológicas sustentáveis. Este trabalho teve como objetivo identificar o perfil atual da produção de mel de cinco comunidades quilombolas do Vale do ...
Cano, Cristiane Bonaldi   +9 more
openaire   +1 more source

A new record of ground sloth in the Ribeira de Iguape valley, southeastern Brazil

open access: yesCarnets de géologie (Notebooks on geology)
In the early 1980s, an assemblage of extinct and extant vertebrates was collected from the Abismo Ponta de Flecha, a vertical cave in southern São Paulo, Brazil, for archaeological, geological, and paleontological analyses. While materials identified as ground sloths have been referenced in earlier publications, they have never been thoroughly ...
Artur Chahud   +3 more
openaire   +1 more source

Ancestry, diversity, and genetics of health-related traits in African-derived communities (quilombos) from Brazil. [PDF]

open access: yesFunct Integr Genomics, 2023
Joerin-Luque IA   +6 more
europepmc   +1 more source

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