Results 91 to 100 of about 186,828 (229)

Age and growth of the endemic groovebelly stingray (Dasyatis hypostigma), a heavily exploited batoid in the Brazilian Meridional Margin (21–34° S)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Life‐history data are often lacking for exploited elasmobranchs, jeopardizing proper management and conservation measures for this vulnerable group. Herein, we provided age and growth estimates for the groovebelly stingray (Dasyatis hypostigma), a medium‐sized, heavily exploited batoid endemic to the southwestern Atlantic Ocean.
Giovanni Arlan Torres   +5 more
wiley   +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

Integrative taxonomy reveals two new species of whiptail catfishes Loricaria (Siluriformes: Loricariidae) from northeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Ananda. C. Serejo‐Saraiva   +4 more
wiley   +1 more source

First record of Centris hyptidis Ducke, 1908 (Hymenoptera: Apidae: Centridini) in State of Maranhão, Brazil

open access: yesEntomological Communications, 2020
The unprecedented record of the species Centris (Paracentris) hyptidis Ducke, 1908 in the State of Maranhão, Brazil, is documented. A single female was collected during a visit on a Chamaecrista ramosa (Vogel) (Fabaceae) flower on an island in the ...
Carlos L. Neves Jr   +2 more
doaj   +1 more source

Molar–Incisor and Generalized Grade C Periodontitis: Distinct Microbiome–Immune Interactions Suggest Divergent Pathogenesis

open access: yesJournal of Periodontal Research, EarlyView.
Molar–Incisor (PerioC‐MIP) and Generalized (PerioC‐G) Grade C Periodontitis in systemically healthy patients exhibit different microbiological, inflammatory markers, and genomic signatures, as the analysis of subgingival content from North Americans with PerioC‐MIP and Brazilians with PerioC‐G (geographic preference of each respective phenotype ...
Camila S. Stolf   +10 more
wiley   +1 more source

Maranhao

open access: yesDefinitions, 2020
This is a datasheet on Maranhao.
M. Rodrigues, J. Mualem
semanticscholar   +1 more source

Incidência de cisticercose suína através da inspeção de animais abatidos no abatedouro municipal de Imperatriz entre 2000 a 2010, Maranhão, Brasil

open access: yesBoletim de Indústria Animal, 2012
A ingestão de carnes, bovinas e suínas, contaminadas por cisticercos de Taenia saginata e de Taenia solium, respectivamente, é responsável pela teníase, cujo homem é o único hospedeiro definitivo. O objetivo do trabalho foi verificar a incidência de cisticercose em suínos abatidos, de 2000 a 2010, no Abatedouro Municipal de Imperatriz, onde os
openaire   +3 more sources

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta   +9 more
wiley   +1 more source

Artesãs e cooperativas: a construção social do interesse na ação cooperada na economia do artesanato no Maranhão

open access: yesCadernos de Campo, 2017
O trabalho faz uma análise sociológica da construção social do interesse das artesãs em participar de associações e/ou de cooperativas. Investigam-se ainda as principais vantagens e obstáculos que a ação cooperada enfrenta na economia do artesanato.
Luciany Fusco Sereno   +1 more
doaj  

An Overview of the Productive Structure of the Amazon Region: Using the Eyes of an Interregional Input-Output System [PDF]

open access: yes
There is a scarcity of economic studies about the economy of the Amazon region, and specially about its productive structure. The goal of the present study is to shed some light on the way that the productive relations take place among the states of the ...
Joaquim J.M. Guilhoto   +1 more
core  

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