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Comparative wood anatomy of species of Psychotria L. (Rubiaceae) in Atlantic Rainforest remnants of Rio de Janeiro State, Brazil Acta Botanica
Marques,Jonas B. C.; Callado,Cátia H.; Rabelo,Guilherme R.; Silva Neto,Sebastião J. da; Cunha,Maura da.
ABSTRACTPsychotria is the largest Rubiaceae genus and one of the most abundant in the Atlantic Rainforest of Rio de Janeiro State. The present work aims to characterize and compare the wood of nine of these species. ThePsychotria wood were characterized by: slightly distinct growth rings; diffuse porosity; solitary vessels or on radial multiples of 2-6 or clusters of 3-5 vessel elements, with terminal and lateral simple perforation plates and vestured and alternate intervessel and vessel-ray pits; septate fiber-tracheids; and rare axial parenchyma. Although, the wood anatomy of thePsychotria may be considered homogeneous, the statistical analyses, based on qualitative and quantitative features, allowed the segregation of the species and indicated the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ilha Grande; Psychotriae; Rubioideae; Tropical Forest; Wood diagnostic characters.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000300433
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Planting coconuts in Indian villages: ethnoecological aspects and evaluation of a "sustainable development" project Biota Neotropica
Salm,Rodolfo; Feder,Lisa; Jalles-Filho,Euphly; Jardim,Mario Augusto Gonçalves.
Although scientists and policy makers embrace the general concept "sustainable development", there are few who agree on how to carry out sustainable development in specific situations. As such, sustainable development projects among ethnoscientists are widely critiqued as to how well they are inter-culturally formulated. Here we report on a controversial case of planting coconuts in Kayapó Indian villages of southern Pará, Brazil and offer our own self-critique. We began under the premise that reforestation and Kayapó general health/nutrition go hand in hand. Therefore, the flourishing of coconut culture will contribute to forest conservation in the long run, in itself, and simultaneously, maintain good nutrition for the Kayapó people who protect the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coconuts; Deforestation; Economy; Indians; Palm; Seed dispersal; Tropical Forest.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032010000100014
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