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Fish histopathology and catalase activity as biomarkers of the environmental quality of the industrial district on the Amazon estuary, Brazil - doi: 10.4025/actascibiolsci.v35i3.18032 Biological Sciences
Viana, Andréa Pontes; Universidade Federal Rural de Pernambuco; Frédou, Flávia Lucena; Universidade Federal Rural de Pernambuco; Montes, Caroline da Silva; Universidade Federal do Pará; Rocha, Rossineide Martins; Universidade Federal do Pará.
The environment quality of an industrial district on the river Pará, Amazon estuary, Brazil, based on the assessment of histological alterations and on the determination of catalase activity of the hepatic tissue of two fish species, Plagioscion squamossissimus and Lithodoras dorsalis, is provided. Histopathological changes were evaluated semi-quantitatively and qualitatively. Mean Assessment Values (MAV) and Histological Alteration Index (HAI) of organ lesions were calculated for each zone under analysis, with different impact levels: Zone 1 (industrial district, with high contamination risk); Zone 2 (medium risk) and Zone 3 (minimum risk). Strong positive catalase activity and histopathological changes were reported in Zone 1. None of the specimens of...
Palavras-chave: 2.04.06.01-0; 2.06.03.00-2 biomonitoring; Liver; Industrialization; Northern Brazil 2.06.03.00-2 Biomonitoring liver industrialization North Brazil. 2.06.03.00-2.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/18032
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The entomological exhibition of a Science museum and its contributions to non-formal Education Biological Sciences
Ribeiro, Nathália Cristina Gonzalez; Sant'Ana, Débora de Mello Gonçales.
The Insecta Class is the most diverse group of animals on the planet. A big part of this composition is available in the collections of Natural History Museums, being essential for researches and diffusion actions involving a specialized and lay public. This paper aimed to verify the importance of an entomological exhibition of a Science museum for the acquisition of new knowledge and conception change regarding insects. To this end, 128 fourth-graders from elementary school were asked to draw an insect and write a brief description of it in relation to their knowledge about insects. Then, they visited an entomological exhibition, and a week later, using the "stimulated recollection method", they made a new drawing and description. The extracted data were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 2.01.00.00-0; 2.04.06.01-0; 6.08.00.00-3; Insects; Environmental Education; Scientific divulgation; Childish drawing. Biologia geral.
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/43668
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