Results 11 to 20 of about 1,210 (117)
Land use changes and biodiversity loss critically disrupts ecosystem functioning and are major drivers of infectious disease outbreaks. Trypanosoma cruzi, the agent of Chagas disease, is a multi‐host parasite whose epidemiology has changed due to the expansion of anthropogenic activities over natural areas.
Cecilia S. Andreazzi +8 more
wiley +1 more source
Soil‐transmitted helminthiasis (STHs) are poverty‐related diseases with high prevalence rates in developing countries. The present study aims to describe the epidemiological scenario of STHs in an urban population in the Brazilian Amazon. A cross‐sectional survey (n = 349 children aged 1–15 years) was carried out to obtain faecal samples and ...
Deiviane Aparecida Calegar +8 more
wiley +1 more source
Variações no Índice Estado Trófico em Águas de três reservatórios no Ceará: resultados de uma estiagem prolongada [PDF]
No semiárido brasileiro, a qualidade da água nos reservatórios sofre acentuada degradação devido à eutrofização artificial. Isso limita seus usos múltiplos, com impacto especial sobre os sistemas de abastecimento humano.
Andreza Dnarla Oliveira Santos +3 more
doaj +1 more source
Foram avaliadas 7 espécies da mastofauna e 36 da avifauna quanto à prevalência e intensidade de infestação por carrapatos na ESALQ/USP, no Município de Piracicaba, SP.
Carlos Alberto Perez +10 more
doaj +1 more source
Rio Doce Acoustic Surveys of Fish Biomass and Aquatic Habitat
ABSTRACT Following the failure of the Fundão mine tailings dam in Brazil, approximately 32 million cubic meters of Fe ore tailings were released into the downstream riverine system. The postevent monitoring surveys implemented the use of noninvasive acoustic methods to improve the understanding of the fish biomass distribution patterns and aquatic ...
Dustin Hobbs +2 more
wiley +1 more source
This study aims to assess the prevalence, distribution, and etiological profile of intestinal parasitism in children living in periurban areas in Cachoeiras de Macacu, Rio de Janeiro, Brazil. A community‐based cross‐sectional survey (n = 479) was carried out. Prevalence of infection with G. duodenalis and E. histolytica/E.
Deiviane A. Calegar +7 more
wiley +1 more source
Este trabalho teve o objetivo de investigar os padrões de distribuição espacial e temporal da abundância de tecamebas (Rhizopoda) no plâncton de diferentes reservatórios do Estado do Paraná bem como a importância de fatores hidrodinâmicos e morfométricos
Luiz Felipe Machado Velho +4 more
doaj +1 more source
Degradation of the Organochlorinated Herbicide Diuron by Rainforest Basidiomycetes
The main organochlorinated compounds used on agricultural crops are often recalcitrant, affecting nontarget organisms and contaminating rivers or groundwater. Diuron (N‐(3,4‐dichlorophenyl)‐N ′,N ′‐dimethylurea) is a chlorinated herbicide widely used in sugarcane plantations.
Caroline Henn +6 more
wiley +1 more source
Os sistemas de água doce neotropicais são importantes abrigos da biodiversidade global de peixes. Os tucunarés (Cichla spp) são peixes endêmicos dessa região biogeográfica, ocorrendo naturalmente no Brasil e outros países da América do Sul como ...
Lucas Cabrera Monteiro
doaj +1 more source
Aim: This study aimed to map the concentrations of limnological variables in a reservoir employing semivariogram geostatistical techniques and Kriging estimates for unsampled locations, as well as the uncertainty calculation associated with the estimates.
Cristiano Cigagna +3 more
doaj +1 more source

