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- Publications
- Influence
Hydrobiology in the Cabo Frio (Brazil) upwelling: two-dimensional structure and variability during a wind cycle
- J. Valentin, Dalmo Lacerda Andre, Salvador Abdala Jacob
- Geology
- 1987
Abstract A study of the variability of hydrobiological parameters in a vertical section during .. wind cycle allowed us to investigate the structure and dynamics of the upwelling ecosystem at Cabo… Expand
Analyse des paramètres hydrobiologiques dans la remontée de Cabo Frio (Brésil)
- J. Valentin
- Biology
- 1 September 1984
South Atlantic Central Waters (SACW) upwell close to Cabo Frio (Brazil, Rio de Janeiro) shore. The resultant typical hydrobiological conditions were studied at an anchorage station over an annual… Expand
Environmental and Sanitary Conditions of Guanabara Bay, Rio de Janeiro
- Giovana O. Fistarol, F. Coutinho, +17 authors F. Thompson
- Biology, Medicine
- Front. Microbiol.
- 20 November 2015
Guanabara Bay is the second largest bay in the coast of Brazil, with an area of 384 km2. In its surroundings live circa 16 million inhabitants, out of which 6 million live in Rio de Janeiro city, one… Expand
Total mercury in muscle tissue of five shark species from Brazilian offshore waters: effects of feeding habit, sex, and length.
- Alexandra Penedo de Pinho, Jean Rémy Davée Guimarães, A. Martins, P. A. S. Costa, G. Olavo, J. Valentin
- Biology, Medicine
- Environmental research
- 1 July 2002
This study was carried out to assess mercury levels in fish from Brazilian offshore waters. Generally sharks have relatively high mercury levels which are also affected by diet, age (associated with… Expand
Dynamic of decapod crustacean larvae on the entrance of Guanabara bay
- L. Fernandes, S. L. C. Bonecker, J. Valentin
- Biology
- 1 December 2002
In the present study, we observed seasonal variations in the density of decapod larvae as well as changes in density related to diurnal and tidal cycles. Among the decapod larvae collected, portunids… Expand
Plankton trophic structure and particulate organic carbon production during a coastal downwelling-upwelling cycle
- M. Guenther, E. Gonzalez-Rodriguez, W. F. Carvalho, C. Rezende, G. Mugrabe, J. Valentin
- Biology
- 15 July 2008
We evaluated plankton trophic structure in a short-term temporal survey performed throughout a downwelling-upwelling cycle at the SE Brazilian coast. Size-fractioned phytoplankton biomass (PB),… Expand
Factors influencing spatial patterns of molluscs in a eutrophic tropical bay
- R. Neves, C. Echeverría, L. A. Pessoa, P. Paiva, R. Paranhos, J. Valentin
- Environmental Science
- 1 May 2013
r.a.f. neves, c.a. echeverria, l.a. pessoa, p.c. paiva, r. paranhos and j.l. valentin Programa de Pós-Graduação em Ecologia, Departamento de Ecologia, Instituto de Biologia, Universidade Federal do… Expand
Seasonal variation in fish larvae at the entrance of Guanabara Bay, Brazil
- M. D. Castro, A. C. T. Bonecker, J. Valentin
- Biology
- 2005
Devido a crescente acao antropica a qual esta sujeita e sua importância socio-economica, a baia de Guanabara vem despertando grande interesse na comunidade cientifica. O presente trabalho objetivou… Expand