Buscar
Itens para a visualização no momento 1-10 of 13
Witoto Ash Salts from the Amazon
(Elsevier, 2011-11-15)
Ethnopharmacological relevance: This article presents the results of an anthropological and ethnobotanical study of the vegetable salts used by the Witoto Indians of the Amazon. It thoroughly documents the species used, ...
Regional and seasonal patterns of litterfall in tropical South America
(Copernicus Publications, 2010)
The production of aboveground soft tissue represents an important share of total net primary production in tropical rain forests. Here we draw from a large number of published and unpublished datasets (n = 81 sites) to ...
La nutrición de los Nukak: una sociedad amazónica en proceso de contacto
(Universidad Nacional de Colombia - Facultad de Ciencias humanas, 1998)
En este documento se hace una primera aproximación a los contenidos nutricionales de los alimentos consumidos por los nukak, abordando la relación entre la alimentación y el estado de salud de este pueblo, que fruto de su ...
Branch xylem density variations across the Amazon Basin
(Copernicus Publications, 2009)
Xylem density is a physical property of wood that varies between individuals, species and environments. It reflects the physiological strategies of trees that lead to growth, survival and reproduction. Measurements of ...
Sendero educativo: una ventana a la selva húmeda tropical
(Universidad Nacional de Colombia sede Amazonia, 2013)
Esta publicación hace parte integral del material divulgativo desarrollado en el marco del proyecto "Fortalecimiento del Sendero Ecológico del Campus de la Sede Amazonia como Centro interactivo de educación ambiental para ...
Above- and below-ground net primary productivity across ten Amazonian forests on contrasting soils
(Copernicus Publications, 2009)
The net primary productivity (NPP) of tropical forests is one of the most important and least quantified components of the global carbon cycle. Most relevant studies have focused particularly on the quantification of the ...
Diálogo de saberes y meta-saberes del diálogo: una perspectiva amazónica
(Universidad del Cauca, 2008)
Hacemos una reflexión crítica sobre la noción de diálogo de saberes, a partir de nuestra experiencia en un proyecto conjunto sobre frutales oleaginosos entre la Universidad Nacional de Colombia y una comunidad uitoto del ...
Fine root dynamics for forests on contrasting soils in the Colombian Amazon
(Copernicus Publications, 2009)
It has been hypothesized that as soil fertility increases, the amount of carbon allocated to below-ground production (fine roots) should decrease. To evaluate this hypothesis, we measured the standing crop fine root mass ...
Regional and large-scale patterns in Amazon forest structure and function are mediated by variations in soil physical and chemical properties
(Copernicus Publications, 2009)
Forest structure and dynamics have been noted to vary across the Amazon Basin in an east-west gradient in a pattern which coincides with variations in soil fertility and geology. This has resulted in the hypothesis that ...
Pueblos indígenas y cambio climático: el caso de la Amazonía colombiana
(2009)
Este artículo analiza las percepciones de los pueblos indígenas de la Amazonía colombiana acerca de los cambios climáticos ocurridos durante los últimos 10 años y los efectos directos sobre sus modos de subsistencia. En ...