Results 71 to 80 of about 483,881 (280)
Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho +4 more
wiley +1 more source
Da competição à cooperação: um objetivo primordial dos programas de enriquecimento
Numa era em que as políticas educativas continuam a fomentar a competição na educação, a investigação mostra que a cooperação é uma competência do futuro próximo.
Sara Bahia
doaj +1 more source
Catalog of Osteological Collections of Aquatic Mammals from Mexico [PDF]
This paper compiles available information on osteological and other anatomical specimens of at least 51 species of aquatic mammals (34 extant, one recently extinct and 16 fossil) collected in Mexico between 1868 and 1990 and housed in 29 scientific ...
Vidal, Omar
core
Speciation, extinction, and dispersal are the historical processes influencing the spatial distribution of lineages and strongly influence diversity patterns. Here, we apply a recently developed methodological approach to quantify the relative legacies in situ diversification history (i.e.
Arthur Vinicius Rodrigues +2 more
wiley +1 more source
Perspectivas Historiográficas do Império e da Primeira República sobre os Sertões da Bahia
O artigo discute a historiografia brasileira produzida no século XIX e nas primeiras décadas da República, com ênfase nos estudos sobre os sertões da Bahia.
Erivaldo Fagundes Neves
doaj
Geopolítica dos recursos energéticos e formação territorial na Bahia
As relações e os conflitos internacionais relacionados ao consumo e à produção de combustíveis derivados do petróleo promoveram a partir do século XX uma série de dinâmicas globais e mudanças na configuração territorial de diversos países, regiões e ...
Vinicius Navarro Morende
doaj +1 more source
Seasonal environmental cycles affect plant–pollinator interactions by altering plant phenology. Periods of low resource availability can filter pollinators and reduce the complexity of interaction networks, but the extent to which the functional morphology of pollinators influences such filtering remains unclear.
Ugo M. Diniz +3 more
wiley +1 more source
The response of dispersers to landscape changes depends on both external environmental conditions and individual internal conditions, as well as movement and orientation abilities. Plasticity in habitat selection may also affect how individuals respond to landscape changes.
Érika Garcez da Rocha +4 more
wiley +1 more source
Reflections on Racial Identity and the Black Movement in the United States and Brazil [PDF]
These reflections are based on a long history of study and involvement in the Black movement in the United States, on friendships with militants in the Brazilian Black movement, and on study of that movement.
Covin, David
core +1 more source
Physicochemical characteristics of organic honey samples of africanized honeybees from Paraná River islands. [PDF]
This research was carried out to evaluate the physicochemical composition of organic honey in Paraná River islands, in Porto Brasílio, State of Paraná. Honey was harvested directly from super of the colonies in three apiaries spread in the Floresta and ...
Alves, Eloi Machado +6 more
core +3 more sources

