Results 21 to 30 of about 246 (153)

Actinopterygii, Siluriformes, Loricariidae, Loricariichthys platymetopon Isbrücker and Nijssen, 1979: first record in Reservoir of Canoas II, Middle Paranapanema River, border of the states of São Paulo and Paraná, Brazil [PDF]

Check List, 2011
First record of the “cascudo”, Loricariichthys platymetopon Isbrücker and Nijssen, 1979 in Canoas II Reservoir (Middle Paranapanema River, border of the states of São Paulo and Paraná, Brazil).
Ana Souto, Ana Vidotto-Magnoni, Heleno Brandão, Igor Ramos, Edmir Carvalho   +4 more
doaj   +3 more sources

AVALIAÇÃO DA QUALIDADE DAS ÁGUAS DO RIO SÃO FRANCISCO FALSO, TRIBUTÁRIO DO RESERVATÓRIO DE ITAIPU, PARANÁ

Eclética Química, 2018
An environmental assessment about phosphorus and nitrogen species was carried out in waters of São Francisco Falso River, tributary of Itaipu Reservoir.
Gilmar Silvério da Silva, Sandra Miola, Gilberto Silvério da Silva, Eliane Rodrigues de Sousa   +3 more
doaj   +1 more source

Allozyme variation among three populations of the armored catfish Hypostomus regani (Ihering, 1905) (Siluriformes, Loricariidae) from the Paraná and Paraguay river basins, Brazil

Genetics and Molecular Biology, 2008
Three Brazilian populations of the armored catfish Hypostomus regani (Ihering, 1905) were sampled, one from the Corumbá Reservoir in Goiás state, another from the Itaipu Reservoir in Paraná state and a third from the Manso Reservoir in Mato Grosso state.
Cláudio H. Zawadzki, Erasmo Renesto, Maria Dolores Peres, Suzana Paiva   +3 more
doaj   +1 more source

Trypanosoma nupelianus sp. n. (Protozoa, Kinetoplastida) parasitizing rhinelepis aspera (Osteichthyes, Loricariidae) from Paraná river, Brazil

Memorias do Instituto Oswaldo Cruz, 1990
It is described Trypanosoma nupelianus sp. n. parasitizing Rhinelepis aspera taken from Paraná river (Itaipu reservoir, Brazil). Morphometric characters such as body length, width of the body and nucleus dimensions show that T. nupelianus sp. n.
J. C. Eiras, A. A. Rego, G. C. Pavanelli
doaj   +1 more source

Retrospective study of malaria prevalence and Anopheles genus in the area of influence of the binational Itaipu reservoir Estudo retrospectivo da prevalência de malária e do gênero Anopheles na área de influência do reservatório de Itaipu Binacional

Revista do Instituto de Medicina Tropical de São Paulo, 2005
The importance of hydroelectric dams beside the human interchange in the maintenance of malarious foci and the occurrence of the Anopheles genus on the Binational Itaipu Reservoir were the main points of this retrospective study. Data were collected from
Ana Lucia Falavigna-Guilherme, Allan Martins da Silva, Edson Valdemar Guilherme, Dina Lúcia Morais   +3 more
doaj   +1 more source

Comprehensive Assessment for the Potential Environmental Impacts of the Grand Ethiopian Renaissance Dam on the Downstream Countries: Itaipu Dam in the Rearview Mirror

Air, Soil and Water Research, 2021
This article provides a comparative environmental assessment for the Grand Ethiopian Renaissance Dam (GERD) learning from Itaipu dam experience. The article gives a full insight about the potential political and technical concerns that may affect the ...
Karim M. Morsy, Gaber Abdelatif, Mohamed K. Mostafa   +2 more
doaj   +1 more source

Phosphorus and nitrogen in waters of the ocoí river sub-basin, Itaipu reservoir tributary [PDF]

Journal of the Brazilian Chemical Society, 2009
Starting from spatial-temporal distribution of nitrogen and phosphorus species in Ocoi river Sub-basin, Itaipu's tributary, this work evaluated the environmental impact in surface waters. After rain, non-point sources are predominant, presenting higher levels of total phosphorus and nitrogen.
Silva, Gilmar S. da, Silva, Gilberto S. da, Sousa, Eliane R. de, Konrad, Cristiane, Bem, Carla C., Pauli, Janaína, Pereira, Adilson   +6 more
openaire   +3 more sources

Feeding of Acestrorhynchus lacustris (Characidae): a post impoundment studies on Itaipu reservoir, upper Paraná River, PR

Brazilian Archives of Biology and Technology, 2000
With objective to know feeding spectrum of Acestrorhynchus lacustris (Reinhardt, 1874), a middle size predator in different places of influence area of Itaipu reservoir, stomach contents were analyzed.
Norma Segatti Hahn, Rosilene Luciana Delariva, Valdirene Esgarbosa Loureiro   +2 more
doaj   +1 more source

Environmental predictors of charophytes in a subtropical reservoir

Acta Limnologica Brasiliensia, 2020
: Aim In this study we check whether three simple environmental factors are good predictors of charophytes occurrence. Methods The Characeae material was sampled two times a year during the years of 2001, 2002 and 2003, over 235 sites distributed along
Thamis Meurer, Roger Paulo Mormul, Norma Catarina Bueno   +2 more
doaj   +1 more source

Trypanosoma guairaensis sp. n. (Protozoa, Kinetoplastida) parasita de megaloancistrus aculeatus (Perugia, 1891) (Pisces, Loricariidae) Trypanosoma guairaensis sp. n. (Protozoa, Kinetoplastida) parasitizing Megaloancistrus aculeatus (Perugia, 1891) (Pisces, Loricariidae)

Memorias do Instituto Oswaldo Cruz, 1989
Descreve-se a espécie Trypanosoma guairaensis sp. n. parasita de Megaloancistrus aculeatus do rio Paraná (reservatório de Itaipu). Características morfométricas como comprimento e largura do núcleo e comprimento da parte livre do flagelo, bem como os ...
J. C. Eiras, A. A. Rego, G. C. Pavanelli
doaj   +1 more source