Results 101 to 110 of about 4,281 (217)

Coleoptera associated with macrophytes of the genus Salvinia in four oxbow lakes in two river basins in southeast Brazil

open access: yesBrazilian Journal of Biology
Macrophytes in oxbow lakes represent an important substrate for the Coleoptera. Two oxbow lakes the Rio Paranapanema were studied and the other two Rio Mogi-Guaçu, in the State de São Paulo, Brasil.
M. C. Paula-Bueno, A. A. Fonseca-Gessner
doaj   +1 more source

Water balance of selected floodplain lake basins in the Middle Bug River valley [PDF]

open access: yes, 2013
This study is the first attempt in the literature on the subject of comparing water balance components for floodplain lake basins, depending on the type of a lake connection to the parent river.
B. Ferencz, J. Dawidek
core   +2 more sources

Imagens de liderança indígena e o programa Waimiri-Atroari : índios e usinas hidrelétricas na Amazônia [PDF]

open access: yes, 2000
O artigo examina a maneira como imagens de liderança indígena Waimiri-Atroari estão sendo usadas para divulgar mensagens, através da mídia, que rebatem as críticas dirigidas à implantação de grandes usinas hidrelétricas em áreas indígenas e suas ...
Baines, Stephen Grant
core   +2 more sources

Cytogenetic and molecular markers reveal the complexity of the genus Piabina Reinhardt, 1867 (Characiformes: Characidae)

open access: yesNeotropical Ichthyology
Cytogenetic and molecular analyses were carried out in fish representative of the genus Piabina. This study specifically involved the species P. argentea and P. anhembi collected from areas of the Paranapanema and Tietê River basins, Brazil. Our findings
Marlon Felix Pazian   +4 more
doaj   +1 more source

Hydrogeochemical and isotopic indicators of vulnerability and sustainability in the GAS aquifer, São Paulo State, Brazil [PDF]

open access: yes, 2017
Study region: The Guarani Aquifer System (GAS), São Paulo State, Brazil, an important freshwater resource regionally and part of a giant, transboundary system. Study focus: Groundwaters have been sampled along a transect. Based on environmental tracers (
Bonotto, Daniel Marcos, Elliot, Trevor
core   +3 more sources

A new species of Phenacorhamdia Dahl 1961 (Siluriformes: Heptapteridae) from the Paranapanema River basin, southeastern Brazil

open access: yesZootaxa, 2020
A new species of Phenacorhamdia is described from Paranapanema River, Upper Paraná River basin, southeastern Brazil. The new species is distinguished from congeners by the combination of following characters 45−46 vertebrae; an entirely dark-brown body; nine pleural ribs; eight branched rays in upper lobe of caudal fin; seven branched rays in pectoral ...
openaire   +4 more sources

The fate of copepod populations in the Paranapanema River (São Paulo, Brazil), downstream from the Jurumirim dam

open access: yesBrazilian Archives of Biology and Technology, 2002
The longitudinal changes in the structure of copepod populations were examined during the dry and rainy seasons in a 42 km stretch of the Paranapanema River downstream from the dam of the Jurumirim Reservoir.
Mitsuka Patricia Maria, Henry Raoul
doaj  

First record of Hysterothylacium sp. Moravec, Kohn et Fernandes, 1993 larvae (Nematoda: Anisakidae) infecting the ornamental fish Hyphessobrycon eques Steindachner, 1882 (Characiformes, Characidae)

open access: yesBrazilian Journal of Biology
This study reports for the first time infection with Hysterothylacium sp. larvae in the ornamental fish Hyphessobrycon eques from the Paranapanema River, Jurumirim Reservoir, São Paulo State, Brazil. A sample of 33 specimens of H.
AA Acosta, RJ Silva
doaj   +1 more source

Philocorydoras longus sp. n. (Monogenea, Dactylogyridae) from the gills of Hoplosternum littorale (Siluriformes, Callichthyidae) in Southeastern Brazil and the reassignment of two species from the genus Urocleidoides to Philocorydoras

open access: yesHelminthologia, 2015
Philocorydoras longus sp. n. (Dactylogryridae) is described from the gills of the freshwater fish Hoplosternum littorale (Hancock, 1828) (Callichthyidae) from Jurumirim reservoir, Upper Paranapanema River, São Paulo State, Brazil.
Yamada F. H.   +3 more
doaj   +1 more source

Avaliação da estrutura genética de peixes migradores na área de influência da barragem da Itaipu Binacional [PDF]

open access: yes, 2016
Anais do V Encontro de Iniciação Científica e I Encontro Anual de Iniciação ao Desenvolvimento Tecnológico e Inovação – EICTI 2016 - 05 e 07 de outubro de 2016 – Sessão BiológicasA maneira de se estudar a biodiversidade é muito ampla.
Gómez, José Alejandro   +1 more
core  

Home - About - Disclaimer - Privacy