Results 21 to 30 of about 21,429 (184)

Conservation status and bio-ecology of Brycon orbignyanus (Characiformes: Bryconidae), an endemic fish species from the Paraná River basin (Brazil) threatened with extinction [PDF]

Neotropical Ichthyology, 2019
Brycon orbignyanus is an endemic species from La Plata basin whose stocks have been presenting significant reductions throughout the Paraná River. Brycon orbignyanus is categorized as an endangered species. This study evaluated aspects of the bio-ecology
Lívia Helena Tonella, Rosa Maria Dias, Oscar Barroso Vitorino Junior, Rosemara Fugi, Angelo Antonio Agostinho   +4 more
doaj   +1 more source

High rDNA polymorphisms in Astyanax lacustris (Characiformes: Characidae): new insights about the cryptic diversity in A. bimaculatus species complex with emphasis on the Paraná River basin

Neotropical Ichthyology, 2022
This study aimed to identify species of Astyanax bimaculatus group from four Itaipu Reservoir tributaries (Paraná River Basin) by cytogenetics and molecular markers (COI) to investigate the possible occurrence of cryptic diversity in part of this basin ...
Sandro Tonello, Daniel R. Blanco, Fiorindo J. Cerqueira, Natália L. Lira, Josiane B. Traldi, Carla S. Pavanelli, Vladimir P. Margarido, Mariane Gavazzoni, Marcos V. Pupo, Roberto L. Lui   +9 more
doaj   +1 more source

New record and distribution extension of the endangered freshwater fish Cnesterodon hypselurus (Cyprinodontiformes: Poeciliidae) in the upper Paraná River basin, Brazil [PDF]

Check List, 2015
Cnesterodon hypselurus is an endangered species from the Upper Paraná River basin, with distribution restricted to three streams with diminished habitat quality.
João Silva, Fernando Jerep, Sirlei Bennemann   +2 more
doaj   +3 more sources

Association between Ichthyocladius (Diptera: Chironomidae) and armored catfishes in the Guareí River basin, São Paulo State, Brazil

Anais da Academia Brasileira de Ciências, 2022
Ichthyocladius is a genus of chironomid (Diptera, Insecta) whose immature forms live attached to the bodies of some species of freshwater fishes. Here we investigate the association between Ichthyocladius spp. and armored catfish in streams of the Guareí
VALTER M. AZEVEDO-SANTOS, ERIKA M. SHIMABUKURO, FERNANDO M. PELICICE, RAOUL HENRY   +3 more
doaj   +1 more source

Fish, Piquiri River, Upper Paraná River basin, Paraná state, Brazil [PDF]

Check List, 2006
None
Éder Gubiani, Arlei Holzbach, Gilmar Baumgartner, Leontino Neto, Fernando Bergmann   +4 more
doaj   +5 more sources

Fishes (Osteichthyes: Actinopterygii) from the Pirapó River drainage, upper Paraná River basin, Paraná state, Brazil [PDF]

Check List, 2012
In this study we conducted an ichthyofaunistic survey in the Pirapó River drainage, upper Paraná River basin, based on voucher specimens deposited in the Coleção Ictiológica do Nupélia/UEM.
João Pagotto, Samuel Veríssimo, Erivelto Goulart, Fábio Mise   +3 more
doaj   +3 more sources

Genetic diversity of the species Cnesterodon hypselurus (Cyprinodontiformes: Poeciliidae) in Cinzas River basin: new record and headwater capture evidences [PDF]

Neotropical Ichthyology, 2023
Cnesterodon hypselurus is a small fish that has a restricted distribution in southern Brazil, including headwaters of the Tibagi and Itararé river basins (Upper Paraná River). This study reported C.
Dhiego G. Ferreira, Bruno A. Galindo, Tais C. de Souza, Leonardo B. Pereira, Victor A. P. Bernardes, Ana J. C. Marques, Wilson Frantine-Silva, Thais Kotelok-Diniz, Carlos E. G. Aggio, Caroline Apolinário-Silva, Augusto S. Zanatta, Silvia H. Sofia   +11 more
doaj   +1 more source

Biology of black bass Micropterus salmoides (Lacepède, 1802) fifty years after the introduction in a small drainage of the Upper Paraná River basin, Brazil

Biodiversitas Journal of Biological Diversity, 2014
Garcia DAZ, Costa ADA, Leme GLA, Orsi ML. 2014. Biology of black bass Micropterus salmoides (Lacepède, 1802) fifty years after the introduction in a small drainage of the Upper Paraná River basin, Brazil. Biodiversitas 15: 180-185. The dispersion of organisms byhuman actions has been the major source of changes in the natural distribution of species,
DIEGO AZEVEDO ZOCCAL GARCIA, ALEXANDRO DERLY AUGUSTO COSTA, GEAN LUCAS ALVES LEME, MÁRIO LUÍS ORSI   +3 more
openaire   +1 more source

Application of Lattice Boltzmann Method for Surface Runoff in Watershed [PDF]

, 2017
Derived from simplifications of the Saint-Venant equations, the kinematic wave model has the ability to describe the behavior of surface runoff in watersheds.
Cargnelutti, J., Galina, V., Gramani, L.M., Kaviski, E., Lobeiro, A.M.   +4 more
core   +3 more sources

Pluviometric variability, water balance and risk of dry spells in the basin of Paraná River III, Brazil

Revista de Geografia (Recife), 2021
For the agriculture context, the water balance and precipitation analysis are essential for planning and decision-making. The objective of this work was to carry out the analyse of pluviometric variability, climatological water balance (CLIMWB) and the ...
Nathan Felipe da Silva Caldana, Marcelo Augusto Aguiar e Silva, Mateus Galvão Cavatorta, Luiz Gustavo Batista Ferreira, Jorge Alberto Martins   +4 more
doaj   +1 more source