Results 11 to 20 of about 186,828 (229)
Historical biogeography of fishes from coastal basins of Maranhão State, northeastern Brazil
Neotropical Ichthyology, 2019 The Amazonian ichthyofauna is one of the most diverse in the world, yet fishes from the adjacent coastal basins of Maranhão State in Northeastern Brazil remain poorly known.
João Marcelo S. Abreu +3 more
doaj +2 more sources
Checklist of the fish fauna of the Munim River Basin, Maranhão, north-eastern Brazil
Biodiversity Data Journal, 2023 Background The Maranhão State harbours great fish diversity, but some areas are still undersampled or little known, such as the Munim River Basin in the northeast of the State.
L. O. Vieira +11 more
semanticscholar +1 more source
Biota Neotropica, 2023 This work is a floristic study of Selaginella in Maranhão. The species survey is based on collections from fieldwork conducted between April 2006 and February 2023 and specimens from Maranhão deposited at the CCAA, HBRA, MG, and SLUI herbaria.
R. Fernandes +6 more
semanticscholar +1 more source
Forest Fragmentation and Fires in the Eastern Brazilian Amazon–Maranhão State, Brazil
Fire, 2022 Tropical forests provide essential environmental services to human well-being. In the world, Brazil has the largest continuous area of these forests. However, in the state of Maranhão, in the eastern Amazon, only 24% of the original forest cover remains.
Celso H. L. Silva‐Junior +18 more
semanticscholar +1 more source
Water, 2022 Water quality is mainly assessed using traditional water quality assessment methods that measure chemical parameters against established standards. The water quality index is used worldwide for water quality assessment.
F. H. R. Braga +10 more
semanticscholar +1 more source
Prevalence and factors associated with covid-19 vaccine hesitancy in Maranhão, Brazil
Revista de Saúde Pública, 2021 OBJECTIVES: To estimate the prevalence and factors associated with hesitancy in getting the vaccine against SARS-CoV-2 in Maranhão, Brazil. METHODS: This is a cross-sectional population-based study conducted from October 19 to 30, 2020.
B. L. C. A. Oliveira +6 more
semanticscholar +1 more source
Ferns and lycophytes in Chapada das Mesas National Park and surroundings, Maranhão State, Brazil
Biota Neotropica, 2022 : In Brazil, the number of floristic inventories involving ferns and lycophytes in the Cerrado domain is considerable. However, most of the diversity is recorded for states in the Central-West Region.
R. Fernandes +4 more
semanticscholar +1 more source
Brazilian journal of biology = Revista brasleira de biologia, 2022 Visceral leishmaniasis (VL) is an infectious disease predominant in countries located in the tropics. The prediction of occurrence of infectious diseases through epidemiologic modeling has revealed to be an important tool in the understanding of its ...
K. Pimentel +8 more
semanticscholar +1 more source
Machine learning algorithms for dengue risk assessment: a case study for São Luís do Maranhão
Computational and Applied Mathematics, 2022 This study aims to assess dengue fever risk using Machine Learning techniques, such as logistic regressions, linear discriminant analyses, Naive Bayes, decision tree, and random forest classifiers.
Fernanda Paula Rocha, Mateus Giesbrecht
semanticscholar +1 more source
Ciência & Saúde Coletiva, 2021 This study aimed to describe the prevalence of leprosy and verify the factors associated with multibacillary clinical types in a Family Health Strategy priority setting to control and monitor the disease in northeastern Brazil. This cross-sectional study
F. Lopes +7 more
semanticscholar +1 more source