Results 41 to 50 of about 10,986 (148)

Efeitos Tóxicos de Arsênio em Eisenia Andrei em Exposição a Solos do Entorno de Minerações de Ouro

open access: yesRevista Brasileira de Ciência do Solo, 2015
Os produtos das atividades de mineração têm grande relevância econômica no Estado de Minas Gerais, Brasil. No entanto, seus inúmeros danos à biota, incluindo a fauna edáfica, resultam na necessidade de recuperação e biomonitoramento dessas áreas e do seu
Rodrigo Henrique Alves   +1 more
doaj   +1 more source

The burden of COVID‐19 in hospitalized people with diabetes mellitus in Brazil: Insights from four years of the pandemic

open access: yesDiabetic Medicine, EarlyView.
Abstract Aims Coronavirus disease 2019 (COVID‐19), caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), is more severe in people with diabetes mellitus due to immune dysfunction, exacerbated inflammation and increased risk of co‐morbidities and mortality.
Taís Mendes Camargo   +4 more
wiley   +1 more source

Redescription of the freshwater anchovy Anchoviella vaillanti (Steindachner, 1908) (Clupeiformes: Engraulidae) with notes on the distribution of estuarine congeners in the Rio São Francisco basin, Brazil

open access: yesArquivos de Zoologia, 2014
Anchoviella vaillanti (Steindachner, 1908) was described based on few specimens from the middle Rio São Francisco; however, several specimens of the species have been collected in recent decades. The range of morphological variation of A. vaillanti could
Marina Vianna Loeb   +1 more
doaj  

Passive transponder implantation in Theraphosidae: A tool for traceability and conservation

open access: yesInsect Conservation and Diversity, EarlyView.
PIT TAG microchip implantation was successfully performed in multiple tarantula species, showing high tolerance, rapid recovery from anaesthesia and no mortality associated with the procedure. Microchips remained stable and detectable after successive ecdysis events, with no negative effects on feeding behaviour, development, courtship, mating success ...
Marcelo Lago   +7 more
wiley   +1 more source

Copepod parasites of Curimatella lepidura (Characiformes, Curimatidae) from the Três Marias Reservoir, Brazil Copépodes parasitos de Curimatella lepidura (Characiformes, Curimatidae) do reservatório de Três Marias, Brasil

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2008
Copépodes ergasilídeos coletados nas brânquias de Curimatella lepidura do reservatório de Três Marias, alto rio São Francisco, Minas Gerais, Brasil e identificados como Miracetyma etimaruya e Ergasilus sp., constituem o primeiro registro de parasitos ...
M.C. Albuquerque   +3 more
doaj   +1 more source

Efficacy of a 2% Chlorhexidine‐Impregnated Dental Floss in Adults With Gingivitis: A Randomised Clinical Trial

open access: yesInternational Journal of Dental Hygiene, EarlyView.
ABSTRACT Objective This study aimed to assess the antigingivitis and antiplaque efficacy of a 2% chlorhexidine (CHX)‐impregnated dental floss in adults with gingivitis. Methods This randomised clinical study included 42 patients diagnosed with gingivitis. They were randomly allocated into three groups: no interdental cleaning (NIC) group, which did not
Manuela Ferrari da Silva   +7 more
wiley   +1 more source

Permanências e descontinuidades nas Barrancas do velho Chico: um estudo de história local no município de Januária (MG)

open access: yesCaminhos da História, 2011
Este artigo analisa a constituição histórica do município de Januária, interior de Minas Gerais, como forma de apreender as aparentes contradições presentes em sua realidade social contemporânea.
Zara Toscano Correia   +1 more
doaj  

A AGRICULTURA IRRIGADA NA BACIA DO RIO SÃO FRANCISCO: AUTOCORRELAÇÃO ESPACIAL E O AVANÇO DA IRRIGAÇÃO

open access: yesInforme Gepec
A bacia do Rio São Francisco abrange 8% do território nacional, englobando 507 municípios, a agricultura irrigada se destaca como uma alternativa à agricultura de sequeiro, oferecendo soluções para amenizar os problemas climáticos e ampliar a segurança ...
Alice Spielmann Gaúna   +1 more
doaj   +1 more source

Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda   +6 more
wiley   +1 more source

Redescription of Hypostomus johnii, a senior synonym of Hypostomus eptingi (Siluriformes: Loricariidae), Northeastern Brazil

open access: yesNeotropical Ichthyology, 2017
Hypostomus johnii (Steindachner) was described from the rio Parnaíba basin in the state of Piauí and the rio São Francisco basin in the state of Bahia. Despite the good quality of the original description of H.
Telton Pedro Anselmo Ramos   +3 more
doaj   +1 more source

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