Results 51 to 60 of about 69,649 (332)

Navegação no Amazonas

open access: yesCadernos de Tradução, 2022
Tradução de  Navegação no Amazonas de Gregorio ...
Gregorio Ronca   +2 more
openaire   +3 more sources

Ichthyofauna from tributaries of Urubu and Amazonas rivers, Amazonas State, Brazil [PDF]

open access: yesBiota Neotropica, 2020
Abstract: The Amazonas River basin comprises the world’s highest fish species diversity. Anthropogenic interferences in aquatic environments represent a pressure over the maintenance of ecological stability and biodiversity. We inventoried the ichthyofauna of 13 disturbed/modified tributaries of Urubu and Amazonas rivers in the region of the middle ...
Rayane da Silva Pereira   +6 more
openaire   +5 more sources

Factors associated with unspecified and ill-defined causes of death in the State of Amazonas, Brazil, from 2006 to 2012.

open access: yesCiência & Saúde Coletiva, 2020
This study aimed to investigate factors associated with unspecified and ill-defined causes of death in the State of Amazonas (AM), Brazil. This is a cross-sectional study on 90,439 non-fetal deaths of residents in AM from 2006 to 2012.
Patrícia Carvalho da Silva Balieiro   +7 more
semanticscholar   +1 more source

State‐Level Politics in Forest Governance: The Role of the Narrative‐Policy Nexus in the Brazilian Amazon

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT Deforestation and its social impacts are an enduring challenge in agrarian frontiers, especially in the tropics. Fueled by global demand for commodities, this process is mediated by ideas, concepts, meanings, and policies that uphold socioenvironmental degradation. A key and understudied—arena in which this mediation occurs is the sub‐national
Gabriela Russo Lopes, Fabio de Castro
wiley   +1 more source

Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement

open access: yesGeophysical Monograph Series, Page 27-82., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm   +2 more
wiley  

+1 more source

Saberes, actuares y sentires de la comunidad Misak de Bogotá en torno a la pandemia del COVID-19

open access: yesMundo Amazónico
The COVID-19 pandemic posed a series of challenges related to healthcare, the preservation of autonomy, and the protection of the rights of the indigenous communities in Latin America.
Mayerly Martínez Garavito   +2 more
doaj   +1 more source

Antioxidant and Cytotoxic Properties of Piper spp. Volatile Oils That Inhibit Pathogenic Microorganisms

open access: yesFlavour and Fragrance Journal, EarlyView.
The samples were fungicidal against Candida, with MICs ranging from 62.5 to 250 μg/mL, and fungistatic against Penicillium adametzii, Aspergillus flavus and A. niger, with MICs of 1000 μg/mL. The volatile oils of Piper aduncum and Piper marginatum reduced the viability of MDA‐MB231 cells.
Midiã R. Oliveira   +11 more
wiley   +1 more source

Olha Já! Construção gramatical no Amazonas

open access: yesDomínios de Lingu@gem, 2021
Neste trabalho, propõe-se o estudo da microconstrução amazonense olha já, apoiado teoricamente em pressupostos da Gramática de Construções, com foco especial na menção de Croft (2007) de que as estruturas sintática e semântica compõem   a anatomia de uma
Gislane Aparecida Martins Siqueira
doaj   +1 more source

The Impact of Genetic Polymorphisms on Genotoxicity (DNA Damage) Among Children Exposed to Environmental Mutagens: A Systematic Review

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Children, as a particularly vulnerable group, are more susceptible to these mutagens due to their developing immune systems, higher physiological vulnerability, and increased exposure through behaviors like outdoor play and hand‐to‐mouth activities. This review aims to investigate the relationship between these environmental exposures, genetic
Thiago Guedes Pinto   +7 more
wiley   +1 more source

Spatiotemporal Evolution of Hydroclimatic Variables in the Brazilian Semi‐Arid Region Through the Aridity Index and Susceptibility to Desertification

open access: yesInternational Journal of Climatology, EarlyView.
Over the past 60 years, noticeable changes have been observed in the main hydroclimatological variables, driven by both natural and anthropogenic factors. In the context of climate change, such behaviour may adversely affect the state's economic activities, as well as increase the recurrence of extreme events in the region.
Ronaldo Guilherme Santos Lima   +4 more
wiley   +1 more source

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