Results 71 to 80 of about 53,216 (232)

O Teko Arandu e as políticas linguísticas de valorização, fortalecimento e apliação do uso da língua materna dos guarani e kaiowá de Mato Grosso do Sul [PDF]

open access: yes, 2013
I Congresso Internacional América Latina e Interculturalidade: América Latina e Caribe: cenários linguístico-culturais contemporâneos, 07, 08 e 09 de novembro de 2013 - UNILAeste trabalho, apresentaremos e discutiremos as políticas linguísticas adotadas ...
Knapp, Cássio   +1 more
core  

Tracer Applications of Noble Gas Radionuclides in the Geosciences

open access: yes, 2013
The noble gas radionuclides, including 81Kr (half-life = 229,000 yr), 85Kr (11 yr), and 39Ar (269 yr), possess nearly ideal chemical and physical properties for studies of earth and environmental processes.
Fischer, T. P.   +10 more
core   +3 more sources

A new phylogeny and phylogenetic classification for Solanaceae

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract Solanaceae are a globally distributed family of considerable economic importance. Recent phylogenetic work on various clades in the family has resulted in a plethora of names at various taxonomic levels. This results in a confusing set of names applied to clades at different ranks, and to the use of informal names that are often not accepted ...
Rocío Deanna   +11 more
wiley   +1 more source

The evolution of Cayaponia (Cucurbitaceae) [PDF]

open access: yes, 2010
Premise of the study: The Cucurbitaceae genus Cayaponia comprises ∼60 species that occur from Uruguay to the southern United States and the Caribbean; C. africana occurs in West Africa and on Madagascar.
Duchen, Pablo, Renner, Susanne S.
core   +1 more source

The making of pure quartzose sand in continental interiors: Paraná River (Brazil and Argentina)

open access: yesSedimentology, Volume 73, Issue 3, Page 802-837, April 2026.
ABSTRACT As part of a comprehensive project on sedimentary processes in South America, this study focuses on sediment generation in the intracratonic Paraná Basin and monitors the evolution of sand composition along the Paraná River from central Brazil to the Río de la Plata estuary in Argentina.
Eduardo Garzanti   +5 more
wiley   +1 more source

Análise de categorias sobre a História da Ciência em um livro de Ciências do 9º ano

open access: yesRevista Insignare Scientia
Entendemos que o ensino de Ciências, ao abordar a História da Ciência (HC), facilita a construção e produção de significados sobre o conhecimento científico.
Alexandre José Krul, Luana Taís Vier
doaj   +1 more source

Etnobotânica na Ilha do Cardoso, Cananéia, Estado de São Paulo, Brasil [PDF]

open access: yesHoehnea
RESUMO (Etnobotânica na Ilha do Cardoso, Cananéia, Estado de São Paulo, Brasil). A Etnobotânica é uma abordagem que se preocupa em descrever conhecimentos, usos e manejo de plantas e definir, investigar e descrever processos da relação entre pessoas e ...
Natalia Hanazaki   +1 more
doaj   +1 more source

Grantmaker's Guide: Strengthening International Indigenous Philanthropy [PDF]

open access: yes, 2014
As members of International Funders for Indigenous Peoples (IFIP), we are anxious to grow the field and bring an infusion of new faces, sources of investment and expertise, along with the professional camaraderie that grows from shared commitment and ...

core  

Cultural barriers to effective communication between Indigenous communities and health care providers in Northern Argentina: an anthropological contribution to Chagas disease prevention and control [PDF]

open access: yes, 2014
INTRODUCTION: Ninety percent of the aboriginal communities of Argentina are located in areas of endemic vectorial transmission of Chagas disease. Control activities in these communities have not been effective.
Braunstein, Jose Alberto   +5 more
core   +1 more source

Forgotten Fruit, Infinite Potential: History, Genetics, Cultivation, and Future Perspectives for Feijoa sellowiana

open access: yesNew Zealand Journal of Crop and Horticultural Science, Volume 54, Issue 1, March 2026.
Feijoa sellowiana (O. Berg), known as feijoa, is a South American fruit native to southern Brazil and northeastern Uruguay, with agronomic, nutritional, and industrial potential. Once restricted to its native range, the species is now cultivated in New Zealand, Colombia, and Georgia, where breeding programs and market chains are advancing its ...
Suelen Martinez Guterres   +7 more
wiley   +1 more source

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