Results 81 to 90 of about 10,535 (163)

Eutrofização em reservatórios - Estudo de caso : reservatórios de Rio Bonito e Suíça (ES) [PDF]

open access: yes, 2016
Rio Bonito and Suíça hydropower plants reservoirs, located in Santa Maria da Vitoria river watershed, one of the main water supply sources for Great Vitória Metropolitan Region, Espírito Santo State, Brazil, receive the nutrient loads originated from ...
Araujo, Daniela Rodrigues
core  

Zooplankton assemblages in eutrophic reservoirs of the Brazilian semi-arid Assembléias zooplanctônicas em reservatórios eutróficos do semiárido brasileiro

open access: yesBrazilian Journal of Biology, 2013
Species composition, density, and temporal dynamics of zooplankton were studied in six reservoirs in a semi-arid region in tropical northeastern Brazil (Rio Grande do Norte state).
EM. Eskinazi-Sant'Anna   +5 more
doaj  

Boehmiella wilsoni (Nematoda, Heligmosomoidea, Boehmiellidae fam. nov.), found in Amazonian rodents

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2020
The genus Boehmiella was initially described as a member of the family Trichostrongylidae. Subsequently, it was assigned to the subfamily Haemonchinae in the family Haemonchidae.
B.E. Andrade-Silva   +4 more
doaj   +1 more source

The zooplankton biodiversity of some freshwater environments in Parnaíba basin (Piauí, Northeastern Brazil) Diversidade do zooplâncton de alguns ambientes de água doce na bacia do rio Parnaíba (Piauí, Nordeste do Brasil)

open access: yesBrazilian Journal of Biology, 2013
The plankton fauna of the state of Piauí, Northeastern Brazil, especially in the Parnaíba basin, is still poorly known; the results of most studies of the subject have not been published and can only be found in grey literature (unpublished scientific ...
JDN. Paranhos   +5 more
doaj  

USO DE RESERVATÓRIOS DE ÁGUA TRATADA COM PAREDE EM AÇO VITRIFICADO [PDF]

open access: yes, 2018
Novas tecnologias em reservatórios de água tratada reduzem vazamentos e trabalhos de manutenção. Os reservatórios em paredes de aço vitrificado vêm substituir os construídos em concreto ou aço soldado.
Lindner, Elfride Anrain   +1 more
core  

Risk analysis in the spillway of dam Orós by excess of influent flow

open access: yesAnais da Academia Brasileira de Ciências, 2013
This paper presents the practical application of concepts, and some methods of risk analysis, to check the possibility of overcoming a water level of project in the spillway of dam Orós, by excess of influent flow.
Adbeel Goes Filho
doaj   +1 more source

Avaliação da eficiência hidráulica de reservatórios de distribuição de água [PDF]

open access: yes, 2014
The hydraulic efficiency of water storage tanks was investigated using the technique Computational Fluid Dynamics (CFD) technique. Several situations were studied by varying the shape, the inlet position, and hydraulic characteristics of the tanks.
Xavier, Manoel Lucas Machado
core  

Influência de processos locais e regionais nas assembléias de peixes em reservatórios do Estado do Paraná, Brasil - DOI: 10.4025/actascibiolsci.v25i1.2087

open access: yesActa Scientiarum: Biological Sciences, 2008
O objetivo deste estudo foi identificar os principais processos (locais e/ou regionais) que influenciam a composição e a estrutura das assembléias de peixes em reservatórios do Estado do Paraná.
Elaine Antoniassi Luiz   +3 more
doaj   +1 more source

Aproveitamento aquí­­cola dos grandes reservatórios brasileiros [PDF]

open access: yes, 2018
O objetivo deste trabalho foi realizar uma revisão sobre a cessão de águas públicas da União para fins de aquicultura, contextualizando desde a formação dos grandes reservatórios brasileiros até a demarcação dos primeiros parques aquí­­colas continentais.
Rosildo Santos PAIVA   +3 more
core   +1 more source

Diet and feeding of fish from Grande River, located below the Volta Grande Reservoir, MG-SP Dieta e alimentação de peixes no rio Grande, a jusante da barragem de Volta Grande, MG/SP

open access: yesBrazilian Journal of Biology, 2005
We compare the classic model of feeding of tropical fish by means of six bimonthly samplings using gillnets of varying mesh sizes that were inspected every twelve hours throughout a forty-eight hour period. The stomachs of the fish caught were classified
P. M. Andrade, F. M. S. Braga
doaj   +1 more source

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