Results 61 to 70 of about 563,418 (218)

Rivulus kirovskyi, a new killifish from the central Amazon, Brazil (Cyprinodontiformes: Rivulidae)

Neotropical Ichthyology
Rivulus kirovskyi, new species, from the central Amazon, lower rio Negro drainage, northern Brazil, is described. It is a member of an assemblage that includes R. amanapira, R. atratus, R. ornatus, R. rectocaudatus, R. romeri, R. tecminae, and R.
Wilson J. E. M. Costa
doaj   +1 more source

The Economic and Ecological Impact of Soy in Brazil: A Synthetic Control Method Approach

Journal of Agricultural Economics, EarlyView.
ABSTRACT In recent decades, soy expansion in Brazil has generated significant environmental, social and economic impacts. However, there is no consensus about benefits and drawbacks, calling for a more careful account of the economic and ecological diversity of the territories where this phenomenon has been unfolding.
Stefano Ghinoi, Simone Piras, Luca Tasciotti, Valdemar João Wesz Junior   +3 more
wiley   +1 more source

Efeitos de mudanças eustáticas e tectônicas na reversão do sistema de drenagem do Rio Amazonas transcontinental

, 2016
The development of the transcontinental Amazon River System involved geological events in the Andes Chain; Vaupes, Purus and Gurupa arches; sedimentary basins of the region and sea level changes.
Mário V. Caputo, E. A. A. Soares
semanticscholar   +1 more source

TERRITORIALIDADES DA PESCA NO MÉDIO RIO AMAZONAS/Territorialities of the fishery in the medium Amazonas river

REVISTA GEONORTE, 2019
Discutir sobre as transformações na pesca extrativa no ambiente de rio, no médio rio Amazonas, constitui o objetivo central deste artigo. A pesca representa mais que uma fonte de renda aos ribeirinhos, é fonte de alimentos e de inúmeras relações territoriais estabelecidas nos espaços historicamente ocupados pelos camponeses. Com base na observação e na
Dilson Gomes Nascimento, Manuel de Jesus Masulo da Cruz   +1 more
openaire   +2 more sources

A Calha do rio Amazonas: transformações, crises e agronegócio

Confins, 2021
Nesse artigo, focado na calha do rio Amazonas, ou seja, no recorte geográfico onde estão inseridos os municípios paraenses de Santarém, Belterra e Mojuí dos Campos, vamos priorizar alguns projetos (o projeto de Henri Ford, com a fundação de Fordândia (1928) e de Belterra (1934) e a implantação e falência da TECEJUTA), de curta geração, aqui denominados
Messias Modesto dos Passos, Diogo Laércio Gonçalves   +1 more
openaire   +2 more sources

Pobres e Miseráveis? preconceitos contra povos indígenas na região do alto rio Negro (AM)

Mediações: Revista de Ciências Sociais, 2021
Nos últimos anos, alguns políticos de três níveis de estados federativos, têm frequentado a região do alto Rio Negro em busca de flexibilizar as políticas de movimentos indígenas quanto à questão de exploração mineral em terras indígenas.
Franklin Paulo Eduardo da Silva
doaj   +1 more source

Geometric Morphometrics Reveal Body Shape Variation in Freshwater Shrimps of the Genus Macrobrachium Lacking a Mandibular Palp (Formerly Pseudopalaemon Sollaud, 1911) (Decapoda: Palaemonidae)

Acta Zoologica, EarlyView.
ABSTRACT Shape variation in the cephalothorax of Macrobrachium species without mandibular palp using geometric morphometrics was used as a tool to support species differentiation and propose new diagnostic characters for taxonomic identification.
Thaís Arrais Mota, Ana Carla Soares da Silva, Lucas Jhones de Santana Neves, Carlos Eduardo Rocha Duarte Alencar, Fabrício Lopes Carvalho   +4 more
wiley   +1 more source

Preliminary checklist of the herpetofauna of the upper Rio Urucu, Amazonas, Brazil [PDF]

Revista Brasileira de Zoologia, 1993
Thirty-three species of anuran amphibians and 22 species of reptiles were found in 9 days and nights of sampling in an unexplored region of Central Amazon. The community is characterized by typical lowland Amazonian species. The relatively short sampling time and high number of species caught indicates that this region probably has very high species ...
Gascon, Claude, Pereira, Ocírio de Souza   +1 more
openaire   +3 more sources

Conservation priorities for Neotropical water striders (Hemiptera: Heteroptera: Gerridae) under climate change

Conservation Science and Practice, EarlyView.
Hydrologic changes driven by climate change are affecting aquatic biota in the Neotropical Region, with significant impacts on water striders. Species distribution models predict an increase in conservation importance for the northern Andes and coastal areas of eastern South America, while central South America shows a decline. The observed changes are
Leticia Nery, Thiago Bernardi Vieira, Felipe Ferraz Figueiredo Moreira   +2 more
wiley   +1 more source

School attendance in individuals with cerebral palsy in Brazil

Developmental Medicine &Child Neurology, EarlyView.
This graphical abstract summarizes the main findings of the study. Abstract Aim To identify factors associated with school attendance among Brazilian children, adolescents, and young adults with cerebral palsy (CP) using population‐based data from the Brazilian Cerebral Palsy Register (BrCPR).
Ricardo Rodrigues de Sousa Junior, Luana Cristina da Silva, Ana Cristina Resende Camargos, Eliane Beatriz Cunha Policiano, Lívia Ferreira Coutinho Alonso, Nadia Badawi, Israt Jahan, Gulam Khandaker, Maria De Las Mercedes Ruiz Brunner, Paula Silva de Carvalho Chagas, Hércules Ribeiro Leite   +10 more
wiley   +1 more source