Results 51 to 60 of about 164,691 (174)

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

O PÓLO DINÂMICO DO MARANHÃO: O RELATIVO ISOLAMENTO E A DIVERSIFICAÇÃO

open access: yesCadernos de Estudos Sociais, 1994
Este trabalho intenta uma retrospectiva histórica de alguns aspectos do desenvolvimento econômico do Maranhão. Nesse sentido, enfoca o “relativo isolamento” como uma característica da região e discute a possibilidade de sua manutenção futura na definição
Fred Katz, Policarpo Lima
doaj  

Waste management in the stingless bee Melipona beecheii Bennett (Hymenoptera: Apidae) [PDF]

open access: yes, 2014
Waste management is important in insect societies because waste can be hazardous to adults, brood and food stores. The general organization of waste management and the influence of task partitioning, division of labor and age polyethism on waste ...
Hart, Adam G   +2 more
core   +4 more sources

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

“O QUE SE DEVE COMER, ADAPTAÇÃO DO SISTEMA DE ALIMENTAÇÃO VEGETARIANA PARA USO DOS BRASILEIROS”: PRIMEIRO CENTENÁRIO DE PUBLICAÇÃO DA OBRA DE DOMINGOS DE CASTRO PERDIGÃO

open access: yesTerra de Pretos, 2020
This article interprets the work of vegetarian Domingos of Castro Perdigão entitled “What to eat, adaptation of the vegetarian food system for use by Brazilians” published in Maranhão in 1918.
Alcebíades Costa Filho   +1 more
doaj  

Vaccination Coverage and Factors Associated With Incomplete Vaccination Schedules in Children Under 5 in a Peripheral Area of the Federal District of Brazil

open access: yesPublic Health Nursing, EarlyView.
ABSTRACT Objective To estimate vaccination coverage (VC) and analyze the factors associated with the incomplete vaccination schedule (IVS) in children under 5 years of age in two Basic Health Units in the Federal District of Brazil. Design A cross‐sectional study.
Ivea Rayane Mendes Nicacio Viana   +1 more
wiley   +1 more source

SANEAMENTO AMBIENTAL NO MARANHÃO: uma análise do financiamento e do gasto público no período de 2009 a 2018

open access: yesRevista de Políticas Públicas, 2020
Considering sanitation policy as a central aspect of contemporary environmental issues, the article addresses to concepts and principles present in Federal Law 11.445/07 and analyzes the financing and public spending on basic sanitation policies ...
Jose Rui Moreira Reis
doaj  

The influence of temperature and salinity on the duration of embryonic development, fecundity and growth of the amphipod Echinogammarus marinus Leach (Gammaridae) [PDF]

open access: yes, 2003
The effects of salinity and temperature on the duration of embryonic development, fecundity and growth of the amphipod Echinogammarus marinus Leach from the Mondego estuary (Portugal) were studied in laboratory experiments.
Maranhão, Paulo, Marques, João Carlos
core   +1 more source

Time and Policy Diffusion: Analysing Subnational Education Policy in Brazil

open access: yesSocial Policy &Administration, EarlyView.
ABSTRACT Time has recently gained prominence as a critical factor in policy diffusion studies at the international level and in studies examining federal systems. Nevertheless, empirical research investigating the role of time in subnational policy diffusion processes remains scarce.
Catarina Ianni Segatto   +1 more
wiley   +1 more source

Home - About - Disclaimer - Privacy