Results 21 to 30 of about 761,560 (308)

Avian DNA extraction: An economical and efficient alternative for Farmer-fixed samples

Caryologia
Cytogenetics laboratories often accumulate vast collections of cells fixed in Farmer’s solution (3 parts methanol to 1-part glacial acetic acid), stored long-term in freezers.
Lilian de Oliveira Machado, Hybraim Severo Salau, Larissa Rodrigues Pereira, Adriana Koslovski Sassi, Fabiano Pimentel Torres, Analía del Valle Garnero, Ricardo José Gunski   +6 more
doaj   +1 more source

Ecologia e conservação do lagarto endêmico Tropidurus hygomi (Sauria: Tropiduridae) nas restingas do Litoral Norte da Bahia, Brasil

Biotemas, 2010
As restingas são habitats herbáceos/arbustivos de dunas de areia cobrindo grande parte do litoral do Estado da Bahia. O nível de fragmentação do ecossistema de restinga, especialmente na região nordeste do Brasil, é preocupante ao se considerar que a ...
Karina Vieira Martins, Eduardo José dos Reis Dias, Carlos Frederico Duarte da Rocha   +2 more
doaj   +1 more source

Spider diversity (Arachnida: Araneae) in Atlantic Forest areas at Pedra Branca State Park, Rio de Janeiro, Brazil [PDF]

, 2016
BACKGROUND: There has never been any published work about the diversity of spiders in the city of Rio de Janeiro using analytical tools to measure diversity.
Baptista, Renner L. C., Castanheira, Pedro, Pérez González, Abel   +2 more
core   +2 more sources

Análise da Meta 4 do Plano Nacional de Educação: estudos realizados em Mangaratiba – RJ

Reflexão & Ação, 2022
O artigo analisou o cumprimento da Meta 4 do Plano Nacional de Educação no município de Mangaratiba. O objetivo foi analisar como o município efetiva a implementação da meta 4 em seu respectivo Plano Municipal de Educação.
Elaine Alves Leite, Sérgio Crespo Coelho da Silva Pinto, Ruth Maria Mariani Braz   +2 more
doaj   +1 more source

EL ESPAÑOL: DIVERSIDAD DE DIVERSIDADES

Revista Folios, 2017
A menudo surge la pregunta: ¿cuál es el origen de la expresión simbólica delhombre?, ¿Cómo surgió entre los humanos? Y siempre llegamos a la mismarespuesta: el hombre es apto para el lenguaje. Pero... ¿en qué consiste esaaptitud? En que, a diferencia de otras especies, el hombre posee condicionesbiológicas, histórico-sociales y culturales que le ...
openaire   +2 more sources

Histovariability and fossil diagenesis of Pissarrachampsa (Pseudosuchia, Notosuchia, Baurusuchidae) from the Upper Cretaceous of Southeast Brazil

The Anatomical Record, EarlyView.
Abstract Notosuchians were key components of western Gondwanan Cretaceous ecosystems in terrestrial predator niches and exhibited remarkable taxonomic and ecological diversity. Previous research has explored their physiology, metabolism, and histology, revealing varied growth patterns and life history strategies.
Tito Aureliano, Virgínia Maciel, Pedro Victor Buck, Felipe C. Montefeltro, Thiago da S. Marinho, Aline M. Ghilardi   +5 more
wiley   +1 more source

The preservation of genetic resources of the vine requires cohabitation between institutional clonal selection, mass selection and private clonal selection

BIO Web of Conferences, 2014
Clonal selection allows control of virus diseases and selection of genotypes on agronomic, viticultural or enological criteria. Clonal selection has the major drawback that it impoverishes genetic diversity and exposes growers to environmental ...
Roby Jean-Philippe, Leeuwen Cornelis van, Gonçalves Elsa, Graça Antonio, Martins Antero   +4 more
doaj   +1 more source

Winners and Losers: How Woody Encroachment Is Changing the Small Mammal Community Structure in a Neotropical Savanna

Frontiers in Ecology and Evolution, 2021
Years of fire suppression, decreases in herbivores, and global climate change have led to shifts in savannas worldwide. Natural open vegetation such as grasslands and shrublands is increasing in wood density, but the effects for small mammals are not ...
Luciana O. Furtado, Luciana O. Furtado, Giovana Ribeiro Felicio, Paula Rocha Lemos, Alexander V. Christianini, Marcio Martins, Ana Paula Carmignotto   +6 more
doaj   +1 more source

Vocalizations Reveal Species Differences in Endangered Lion Tamarins (Primates, Callitrichidae). [PDF]

Am J Primatol
Spectral parameters of vocalizations distinguish lion tamarin species. Peak frequency, center frequency, and frequency at 5% and 95% were the most informative measures for separating species, with the trill being the vocalization that showed the most differences, and Leontopithecus caissara being the most distinct species of all.
Manzano MCR, Sawaya RJ, Rezende GC, Silva MLD.   +3 more
europepmc   +2 more sources

Diversidade e diferença [PDF]

, 2006
Si la diferencia es un universal absoluto, construcción lógica de la metafísca, la diversidad es un universal concreto de toda realización humana. Para la metafísica occidental sin embargo el problema crucial es el reconocimiento de lo mismo, que se ...
Sodré, Muniz
core   +1 more source