Maria Franco Trindade Medeiros

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This study assessed the intracultural knowledge of the use of medicinal plants in an urban-rural community in an Atlantic forest fragment in northeastern Brazil. We examined the importance of native and exotic species and the effects of gender and age on that knowledge. We also compared data obtained from different groups of informants (local experts and(More)
BACKGROUND We propose a new quantitative measure that enables the researcher to make decisions and test hypotheses about the distribution of knowledge in a community and estimate the richness and sharing of information among informants. In our study, this measure has two levels of analysis: intracultural and intrafamily. METHODS Using data collected in(More)
BACKGROUND Data from an ethnobotanical study were analyzed to see if they were in agreement with the biochemical basis of the apparency hypothesis based on an analysis of a pharmacopeia in a rural community adjacent to the Araripe National Forest (Floresta Nacional do Araripe - FLONA) in northeastern Brazil. The apparency hypothesis considers two groups of(More)
Wade Davis's study of Haitian "zombification" in the 1980s was a landmark in ethnobiological research. His research was an attempt to trace the origins of reports of "undead" Haitians, focusing on the preparation of the zombification poison. Starting with this influential ethnopharmacological research, this study examines advances in the pharmacology of(More)
BACKGROUND This article reports historical ethnobotany research conducted from a study of the work Historia Naturalis Brasiliae (Natural History of Brazil), authored by Piso and Marcgrave and published in 1648, with main focus on Caatinga of northeast region of Brazil. METHODS Focusing the content analysis on the section dedicated to plant species with(More)
Ethnobiology is a rapidly growing science, especially in Latin America. Undoubtedly, growth in this field has many explanations , including the diversity in the lines of research, the continuous training of researchers, and the great biological and cultural diversity in Latin America. This special issue contains 14 manuscripts covering different approaches(More)
Through their long exposure and experience with natural resources, many local communities in Latin America have developed health care practices. Thousands of years of observation and experimentation have helped in developing different empirical medical systems, as well as knowledge of plants, animals, and minerals. Such knowledge is the subject of medical(More)
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