Scientific newssheets - Institut de recherche pour le développement (IRD)

© IRD / Olivier Barrière Arable land denshering around Elahé, Amerindian village Wayana in French Guiana Indigo 44480  

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Scientific newssheets

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Ritual fires, a social and symbolic act among the Bwaba of Burkina Faso and the Bassar of Togo

Scientific newssheets

Human and social sciences - Burkina Faso, Togo

April 2007

The work of an IRD ethnologist sheds light on an unusual custom, organization of ritual fires, a practice specific to certain groups of the Voltaic culture in Togo and Burkina Faso. This regular ancestral practice, involving annual fire-lighting ceremonies on sites that have been strictly ...

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Perspectives for sustainable management of giant clam fishing

Scientific newssheets

Marine and halieutic biodiversity -

April 2007

Giant clams of the species Tridacna maxima are classified as threatened for many areas of the Pacific. Large, even enormous aggregations of these molluscs are still observed in some remote islands and atolls of French Polynesia. Nevertheless, the combined effects of increasing catch sizes ...

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Brasília, from utopian city to urban agglomeration

Scientific newssheets

Human and social sciences - Brazil

April 2007

Brasília, symbol of the 1950s ideal of the modern, avant-garde city, is celebrating its 50th anniversary. The city was born of the utopian project of urban planner Lucio Costa and architect Oscar Niemeyer. It illustrates a functionalist perception that carried with it principles of social ...

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