Results 41 to 50 of about 3,534 (159)

Taxonomic revision of the Rineloricaria species (Siluriformes: Loricariidae) from the Paraguay River basin

Neotropical Ichthyology
Species of the genus Rineloricaria from the Paraguay River basin were revised, the following species and geographic distributional patterns were found: R. aurata, Paraguay River basin in Brazil and Paraguay, rio Guaporé in Brazil; R. cacerensis, Paraguay
Héctor S. Vera-Alcaraz, Carla S. Pavanelli, Cláudio H. Zawadzki   +2 more
doaj   +1 more source

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

Effects of Glyphosate on the Planktonic Microbiota: An Experimental Approach

Environmental Toxicology, EarlyView.
ABSTRACT Glyphosate is one of the most widely used herbicides in the world, including in Brazil, and its dispersion through habitats and surface waters can impact entire aquatic ecosystems. However, experimental studies evaluating the effects of pesticides on whole planktonic communities, considering attributes such as richness, density and composition—
Melissa Progênio, Matheus Henrique Oliveira de Matos, Edilaine Corrêa Leite, Bianca Ramos de Meira, João Vitor Bredariol, José Eduardo Gonçalves, Pablo Augusto Poleto Antiqueira, Luiz Felipe Machado Velho   +7 more
wiley   +1 more source

[PROVISIONAL] Genetic evidence for a species complex within the piranha Serrasalmus maculatus (Characiformes, Serrasalmidae) from three Neotropical River basins based on mitochondrial DNA sequences

Genetics and Molecular Biology
Mitochondrial molecular markers (DNA sequences of D-loop, cytochrome b and cytochrome c oxidase I) were employed to characterize populations of the piranha Serrasalmus maculatus from Upper Paraná, Upper Paraguay and Tocantins River basins.
Thaís Souto Bignotto, Thiago Cintra Maniglia, Vivian Nunes Gomes, Isadora Janolio de Oliveira, Carlos Sérgio Agostinho, Sônia Maria Alves Pinto Prioli, Alberto José Prioli   +6 more
doaj   +1 more source

Antimicrobial Residues in a Key Cerrado River: Distribution, Persistence, and Effects on Zebrafish Embryo‐Larval Development

Environmental Toxicology, EarlyView.
ABSTRACT The current study aimed to quantify the antimicrobials amoxicillin (AMX), cefazolin (CFZ), chloramphenicol (CHL), metronidazole (MTZ), and sulfamethoxazole (SX) in effluents and surface water of an important Cerrado river, calculate their half‐lives, and analyze their ecotoxicity following single and combined exposures.
Náthala Maria Simão, Igor Romeiro dos Santos, Jerônimo Raimundo de Oliveira Neto, Flávio Olimpio Sanches Neto, Felipe Cirqueira Dias, Jéssyca Moreira Morais, Lorranny Pereira de Assis Valadares, Naiara Raica Lopes de Oliveira, Mirelle Garcia Silva Bailão, Luiz Carlos da Cunha, Valter Henrique Carvalho‐Silva, Thiago Lopes Rocha, Elisa Flávia Luiz Cardoso Bailão   +12 more
wiley   +1 more source

Influence of urban area on the water quality of the Campo River basin, Paraná State, Brazil

Brazilian Journal of Biology
The Campo River basin is located on the third plateau of the Paraná State or trap plateau of Paraná, at the middle portion between the rivers Ivaí and Piquiri, southern Brazil, between the coordinates 23° 53 and 24° 10’ South Latitude and 52° 15’ and 52°
K. Q. Carvalho, S. B. Lima, F. H. Passig, L. K. Gusmão, D. C. Souza, C. Kreutz, A. D. Belini, E. J. Arantes   +7 more
doaj   +1 more source

Ecotoxicological Assessment of Mercury in Fish From a Gold‐Mining‐Impacted Amazonian River: Biomonitoring and Human Health Risk

Environmental Toxicology, EarlyView.
ABSTRACT The Peixoto de Azevedo River, located in northern Mato Grosso, southern Brazilian Amazon, has a long history of artisanal and small‐scale gold mining (ASGM). This study evaluated total mercury (THg) concentrations in fish tissues to assess biomagnification and potential risks.
Augusto Cesar da Costa Castilho, Kleber Solera, Vinícius José Santos Lopes, Gleyce Alves Machado, Ricardo Lopes Tortorela de Andrade, Leandro Dênis Battirola   +5 more
wiley   +1 more source

Integrative taxonomy elucidates the species of Proloricaria (Siluriformes: Loricariidae) [PDF]

Neotropical Ichthyology
The genus Proloricaria is widely distributed throughout the upper Paraná River drainage. Its type-species, Loricaria prolixa, was described from specimens of the Tietê River basin, and the other species, P.
Vitor H. P. Pinheiro, Carolina B. Machado, Júlio C. Garavello, Pedro M. Galetti Jr., Alexandre K. de Oliveira   +4 more
doaj   +1 more source

The birth of an earth being: ‘Rights of nature’ in Brazilian Amazonia and elsewhere Naissance d'un être de la terre : « droits de la nature » en Amazonie brésilienne et ailleurs

Journal of the Royal Anthropological Institute, EarlyView.
In June 2023, the Laje River, located in the traditional territory of the Wari’ Indigenous people in Rondônia, Brazil, was declared a legal entity, an earth being, with rights, following the co‐ordinated action of an indigenous councillor and non‐indigenous activists.
Aparecida Vilaça
wiley   +1 more source

Species inventory of aquatic macrophytes in the last undammed stretch of the Upper Paraná River, Brazil

Acta Limnologica Brasiliensia, 2017
The last undammed stretch of the Upper Paraná River in the Brazilian territory is, to date, not completely inventoried, which rises concerns given the rapid rates of species extinctions.
Douglas Costa Souza, Eduardo Ribeiro Cunha, Raytha de Assis Murillo, Márcio José Silveira, Mikaela Marques Pulzatto, Mario Sérgio Dainez-Filho, Lucas Assumpção Lolis, Sidinei Magela Thomaz   +7 more
doaj   +1 more source