Results 71 to 80 of about 449,137 (207)

Apresentação Workshop Baía de Guanabara

Anuário do Instituto de Geociências, 2003
Ano 2003 Volume 26 - Workshop Baía de Guanabara Editor: Ismar de Souza Carvalho Coordenadora: Claudia Gutteres Vilela: Apresentação ISSN: 0101-9759 É com grande prazer que participo da edição do ...
Claudia Gutteres Vilela
doaj  

Bioavailability of Organic Matter in the Superficial Sediment of Guanabara Bay, Rio de Janeiro, Brazil [PDF]

Anuário do Instituto de Geociências, 2011
Thirty superficial sediment samples were collected in Guanabara Bay in order to identify new trophic state and environmental quality descriptors for coastal systems.
José Augusto Pires Bitencourt, Frederico Sobrinho Silva, Leandro Viana Guerra, Mirian Araújo Carlos Crapez, José Antônio Baptista-Neto, Fernanda Savergnini   +5 more
doaj  

Water Quality in the Guanabara bay Hydrographic Basin: Is there a Solution?

Revista de Gestão Social e Ambiental
Objective: To analyze the water quality of the rivers that comprise the Guanabara Bay Hydrographic Region (RH-V), assessing their environmental degradation in accordance with CONAMA Resolution No. 357/2005.   Theoretical Framework: The study is grounded in on the concepts of water quality monitoring, anthropogenic impacts, and water resources ...
Eluara Nunes Rodrigues, Flavia de Almeida Vieira, Lilian Bechara Elabras Veiga   +2 more
openaire   +1 more source

Table_4_Massive Blooms of Chattonella subsalsa Biecheler (Raphidophyceae) in a Hypereutrophic, Tropical Estuary—Guanabara Bay, Brazil.pdf

, 2019
Cell concentrations of the potentially harmful raphidophyte Chattonella subsalsa Biecheler were quantified in surface waters of Guanabara Bay, a heavily eutrophicated estuarine system in tropical Brazil, from February 2014 to January 2018.
Daisyane M. Chaves (6451553), Rafael B. Menezes (6451547), Paulo I. Hargreaves (6451556), Tatiana V. Viana (6451538), Michelle Amario (6451544), Rodolfo Paranhos (160018), Paulo S. Salomon (3070686), Beatriz L. R. Carneiro (6451550), Edilson F. Arruda (6451565), Arthur W. Silva-Lima (6451559), Denise R. Tenenbaum (6451562), Giovana O. Fistarol (6451541), Jean L. Valentin (182238)   +12 more
core   +1 more source

Possible influence of shipping emissions on metals in size-segregated particulate matter in Guanabara Bay (Rio de Janeiro, Brazil). [PDF]

Environ Monit Assess, 2022
Silveira RS, Corrêa SM, de M Neto N.
europepmc   +1 more source

The contribution of heavy metal pollution derived from highway runoff to Guanabara Bay sediments: Rio de Janeiro / Brazil

Anais da Academia Brasileira de Ciências, 2007
In this study, geochemical and particle size analyses of thirty-four street sediment samples collected from an urban environment around Guanabara Bay, shows highway run-off to be a potential source of heavy metals for the pollution of near-shore ...
Edisio Pereira, José A. Baptista-Neto, Bernard J. Smith, John J. Mcallister   +3 more
doaj   +1 more source

Influence of copper on Euplotes sp. and associated bacterial population

Latin American Journal of Aquatic Research, 2014
The influence of copper on the ciliate Euplotes sp. and associated bacteria isolated from sediment samples of Guanabara Bay were investigated in bioassays.
Guilherme Oliveira Andrade da Silva, José Augusto Pires Bitencourt, Izabela Cardoso da Silva, Daniella da Costa Pereira, Inácio Domingos da Silva Neto, Mirian Araujo Carlos Crapez   +5 more
doaj  

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

Brazilian 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, S. Barros, A. Marazzo, JL. Valentin   +3 more
doaj   +1 more source

Assessment of plastic material dispersion along the coastal region adjacent to Rio de Janeiro - RJ [PDF]

RBRH
The increasing global production and improper disposal of plastic waste, particularly microplastics, have raised significant environmental concerns, especially in marine and estuarine ecosystems.
Melissa Fontenelle Rodrigues, Paulo Cesar Colonna Rosman, Rodrigo Amado Garcia Silva   +2 more
doaj   +2 more sources

Table_3_Massive Blooms of Chattonella subsalsa Biecheler (Raphidophyceae) in a Hypereutrophic, Tropical Estuary—Guanabara Bay, Brazil.pdf

, 2019
Cell concentrations of the potentially harmful raphidophyte Chattonella subsalsa Biecheler were quantified in surface waters of Guanabara Bay, a heavily eutrophicated estuarine system in tropical Brazil, from February 2014 to January 2018.
Daisyane M. Chaves (6451553), Rafael B. Menezes (6451547), Paulo I. Hargreaves (6451556), Tatiana V. Viana (6451538), Michelle Amario (6451544), Rodolfo Paranhos (160018), Paulo S. Salomon (3070686), Beatriz L. R. Carneiro (6451550), Edilson F. Arruda (6451565), Arthur W. Silva-Lima (6451559), Denise R. Tenenbaum (6451562), Giovana O. Fistarol (6451541), Jean L. Valentin (182238)   +12 more
core   +1 more source