Results 11 to 20 of about 198 (101)
A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil [PDF]
Journal of Fish Biology, Volume 107, Issue 2, Page 454-465, August 2025.Abstract A new species of Characidium is described from the Iguaçu National Park, Brazil. The new species can be diagnosed from the congeners by the absence of conspicuous vertical bars, blotches and spots along the sides of the body, the presence of a scaled isthmus and adipose fin, a series of scales below lateral line and the presence of a thin dark
Bruno H. M. Stabile +3 more
wiley +2 more sources
Establishing new grid‐size‐dependent attributes to rank areas of endemism for conservation priorities [PDF]
Cladistics, Volume 41, Issue 5, Page 493-512, October 2025.Abstract Delineating Areas of Endemism (AEs) is crucial for identifying priority areas for biodiversity conservation in a spatial planning framework. Endemicity Analysis in the NDM/VNDM software is one of the primary methodologies for its delineation.
Augusto Frota, Weferson Júnio da Graça
wiley +2 more sources
Testosterone Depletion Induces Demethylation of Murine Reelin Promoter CpG Dinucleotides: A Preliminary Study [PDF]
BioMed Research International, Volume 2015, Issue 1, 2015., 2015 Schizophrenia (SZ) is a debilitating mental disorder characterized by psychotic events, abnormal social behavior, false beliefs, and auditory hallucinations. Hypermethylation of the promoter region of reelin (RELN), a gene involved in regulation of neuronal positioning during telencephalic development, is strongly associated with low protein expression
Victor Augusto Moraes da Silva +5 more
wiley +2 more sources
A multidisciplinary overview on the Tupi‐speaking people expansion [PDF]
American Journal of Biological Anthropology, Volume 186, Issue 1, January 2025.Expansion of Tupi linguistic subfamilies. Abstract The cultural and biological diversity of South American indigenous groups represent extremes of human variability, exhibiting one of the highest linguistic diversities alongside a remarkably low within‐population genetic variation and an extremely high inter‐population genetic differentiation.
Marcos Araújo Castro e Silva +1 more
wiley +2 more sources
Overlooked Bird Extinctions in Semideciduous Atlantic Forests [PDF]
Ecology and Evolution, Volume 14, Issue 10, October 2024.Due to near total deforestation in much of the Brazilian state of São Paulo in the early 20th century, essentially all non‐coastal and not montane forest fragments today are regenerated. Before deforestation, most Atlantic Forest endemic bird species were found throughout the state, as demonstrated by museum specimens and the previous literature ...
Vagner Cavarzere, Luís Fábio Silveira
wiley +2 more sources
First description of subglacial megalineations from the late Paleozoic ice age in southern Africa. [PDF]
PLoS ONE, 2019 We identify late Paleozoic ice age (LPIA) subglacial megalineations from field and geospatial imagery of the Twyfelfontein area of northern Namibia, and present the results of a geomorphometric analysis of those data.
Graham D Andrews +3 more
doaj +2 more sources
Brazilian Blogosfera Progressista: Digital Vanguards in Dark Times
tripleC: Communication, Capitalism & Critique, 2020 This article explores the Brazilian Blogosfera Progressista (Progressive Blogosphere, hereafter BP), a leftist political communication initiative aiming to conciliate an institutionalized model of organization with a networked model of action.
Eleonora de Magalhães Carvalho +2 more
doaj +1 more source
Conexões, 2013 O objetivo do presente estudo foi comparar a aptidão física relacionada ao desempenho de 40 soldados do Exército Brasileiro com idades entre 18 e 20 anos, dos quais 20 eram originários do pelotão de operações especiais e 20 soldados convencionais ...
Leandro Martinez Vargas +2 more
doaj +1 more source
A tradição cerâmica Itararé-Taquara
Revista de Arqueologia, 2007 Neste artigo é feita uma breve discussão dos conceitos de “fase” e “tradição” e suas implicações no entendimento das áreas de distribuição de vestígios cerâmicos relacionados ao que se chama de Tradição cerâmica Itararé-Taquara, presente no sudeste e sul
Astolfo Gomes de Mello Araujo
doaj +1 more source
Pottery analysis of Morro Azul Caves project.
Revista do Museu de Arqueologia e Etnologia, 1995 This work presents the analysis of ceramics remains of Morro Azul Caves archaeological site, located in Ventania County, Paraná State, Brazil. Nowadays the site represents the biggest assemblage of rock art kown in Paraná State.
Alberto Gottardi Neto
doaj +1 more source