Results 91 to 100 of about 6,035 (208)

Zonación vertical del macrobentos de sustratos sólidos del estuario del río Massangana, Bahía de Suape, Pernambuco, Brasil [PDF]

open access: yes, 2009
El área estuarina del río Massangana (Pernambuco, Brasil) está sujeta a diversas intervenciones antropomórficas resultantes de las actividades del Complejo Industrial y Portuario de Suape, que pueden afectar las comunidades bióticas. Con esa perspectiva,
Apolonio Silva de Oliveira, Daniel   +7 more
core   +3 more sources

Distribution of polycyclic aromatic hydrocarbons in surface sediments and waters from Guanabara Bay, Rio de Janeiro, Brazil [PDF]

open access: yes, 2007
Polycyclic aromatic hydrocarbons (PAHs) were identified and quantified in sediment and water samples from 12 sites in the north-northeast region of the Guanabara Bay.
Débora de Almeida Azevedo   +2 more
core   +1 more source

Hatching rates of resting eggs of 'Cladocera' (Crustacea; Branchiopoda) at a tropical bay, Brazil

open access: yesBrazilian Journal of Biology
The aim of this study was to determine the development time of embryos and to estimate the hatching rates of resting eggs of cladocerans found in the sediment of Guanabara Bay, Rio de Janeiro, Brazil, under experimental conditions.
G Mugrabe   +3 more
doaj   +1 more source

A comparative study of populations of Ectopleura crocea and Ectopleura ralphi (Hydrozoa, Tubulariidae) from the Southwestern Atlantic Ocean [PDF]

open access: yes, 2014
Ectopleura crocea (L. Agassiz, 1862) and Ectopleura ralphi (Bale, 1884) are two of the nominal tubulariid species re-corded for the Southwestern Atlantic Ocean (SWAO), presumably with wide but disjunct geographical ranges and similar morphologies.
Ale, Ezequiel   +2 more
core   +1 more source

Subtidal benthic marine litter off the coast of Rio de Janeiro, Brazil

open access: yesOcean and Coastal Research
Several studies have reported on the presence of litter on beaches and in the oceans, but this represents the smallest part of the litter that ends up in the sea.
Fábio Vieira de Araújo   +3 more
doaj   +1 more source

Da Grande Guerra à Ilha Grande: a derradeira tentativa, no pós-guerra, de levar o Novo Arsenal de Marinha para fora da Guanabara [PDF]

open access: yesNavigator, 2017
Brazil renewed its fleet with modern warships in the first decade of the 20th Century. However, the country failed to modernize the precarious facilities of the ancient Navy Yard, whose workshops were squeezed in the central area of Rio de Janeiro and ...
Fernando Ribas De Martini
doaj  

Search for Bioindicators of Pollution in the Guanabara Bay: Integrations of Ecologic Patterns [PDF]

open access: yesAnuário do Instituto de Geociências, 2003
Guanabara Bay, since its discovery, has largely changed with the human occupation causing large amounts of deposited sediment and waste, as well as domestic and industry sewage. Surface sediment was analysed for foraminifera and ostracoda distribution,
Claudia G. Vilela   +5 more
doaj  

Reproduction and structure of the population of the Chaetognath Parasagitta friderici in Guanabara Bay (Brazil) based on short term sampling

open access: yesAnais da Academia Brasileira de Ciências, 2012
The aim of this study was to describe the total density, densities of developmental stages and the reproduction period of Parasagitta friderici. Weekly samples were collected at one station in the channel of Guanabara Bay, Rio de Janeiro, during one year.
Fabiana Mendes   +2 more
doaj   +1 more source

Distribuição das Diatomáceas Modernas nos Sedimentos da Baía de Guanabara e Áreas Oceânicas, Rio de Janeiro (Brasil) [PDF]

open access: yes, 2011
One hundred and fifty three superficial sediments were collected in Guanabara Bay to physical-chemistry and diatom analyses in the ambit to Monitoring Project (CENPES/PETROBRAS). A total of 146 taxa of diatoms were identified where the most frequent taxa
Figueiredo Jr., Alberto G.   +3 more
core   +2 more sources

Resumos dos Trabalhos Apresentados em Painéis no Workshop Baía de Guanabara, IGEO/UFRJ - 2002 [PDF]

open access: yesAnuário do Instituto de Geociências, 2003
139 Anuário do Instituto de Geociências - UFRJ Volume 26 / 2003 Avaliação dos Efeitos Ambientais e Ecológicos Referentes ao Acidente Ocorrido no Oleoduto Pe-II (Reduc-Petrobrás) na Baía de Guanabara - RJ. Patrícia P. B.
doaj  

Home - About - Disclaimer - Privacy