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  • L'Amazone
  • Amazones ; Amérique du Sud ; Exploration ; Histoire de la géographie
  • Traduction de: Exploring the Amazon, ouvrage signalé dans la LXXVI Bibl. 1970, A I c 49.
  • Mineral nutrients in fluvial sediments from the Peruvian Amazon
  • This study examines the chemical properties of fluvial deposits (Entisols) of eight different rivers in the Peruvian Amazon. Factors affecting sediment geochemistry are surveyed, and comparisons are made with published statistics concerning Peruvian
  • Amazon floodplain sediments. The vegetational consequences of the sedimentary settings described are discussed.
  • Le fleuve Amazone: 7025km
  • Relation de voyage qui, au travers des anecdotes et péripéties des voyageurs, fournit des détails intéressants sur ce que peut être la vie dans ces vastes territoires de l'Amérique latine baignés par l'Amazone.
  • Aggravation of floods in the Amazon River as a consequence of deforestation ?
  • Discussion sur l'aggravation des crues de l'Amazone. A l'aide d'images Landsat, étude du rôle de la déforestation et de la néotectonique.
  • Employment in boom towns of the Ecuador Amazon
  • Amazon Basin ; Economic activity ; Ecuador ; Employment ; Growth pole ; Informal sector ; Public service ; Town
  • Examination of economic activities and employment in four boom towns of the Ecuador Amazon or Oriente : Puyo, Nueva Loja, Tena and Coca. Data were obtained from the 1990 national population census and from field observations of urban establishments
  • in 1993. Results of the establishment survey are compared to those of similar studies in the Brazilian Amazon. Abundant self-employment in an informal sector and a large portion of the labor force in the public service sector is found. - (SLD)
  • Clay mineral composition of river sediments in the Amazon Basin
  • Amazon Basin ; Clay mineral ; River basin ; Sedimentary ; South America ; Stream
  • Distribution spatiale des assemblages d'argile minéral dans les sédiments des cours d'eau pour la totalité du Bassin de l'Amazone. Essai de compréhension des origines et des teneurs, en amont et en aval, de la kaolinite, smectite, chlorite et illite
  • dans les sédiments actuels du fleuve Amazone.
  • Late Quaternary vegetation and climate change in the Amazon Basin based on a 50,000 year pollen record from the Amazon Fan, ODP Site 932
  • The aim of this study is to compare the modern Amazon River pollen discharge and terrestrial fossil pollen records with high-resolution fossil pollen and stable isotope records from the Amazon Fan so as to reconstruct the vegetation of the Amazon
  • New views on an old forest : assessing the longevity, resilience and future of the Amazon rainforest
  • Amazon Basin ; Biodiversity ; Cenozoic ; Climatic change ; Forecast ; Forest ; Palaeo-ecology ; Palaeoclimate ; Quaternary ; South America ; Tropical rain forest
  • The aim of this paper is to investigate the longevity and diversity of the Amazonian rainforest and to assess its likely future. Paleoclimate and palaeoecological records suggest that the Amazon rainforest originated in the late Cretaceous and has
  • been a permanent feature of South America for at least the last 55 million years. Two new theories for the great diversity of the Amazon rainforest are discussed : the canopy density hypothesis and the precessional-forced seasonality hypothesis
  • . At the moment it appears that the Amazon rainforest, which has survived for 55 million years in the face of enormous global climate changes, may now risk destruction within as short a space as a century.
  • The fate of the forest : developers, destroyers and defenders of the Amazon.
  • A political ecology approach to the changes in the Brazilian portion of the Amazon Basin since the nineteenth century through the 1980s. Thoughtful assessment of the present conflict over deforestation and the spiral of human violence that has
  • A new survey of sources of the Amazon
  • The expedition Hatun Mayu (Big River in Quecha) of the Faculty of Science of Charles University, Prague, measured the lenght of the main source of Apurimac River considered as the longest source segment of Amazon. In addition the expedition measured
  • Amazon bio-geosciences : towards a synthesis through Amazonia I
  • Amazonia I is a large multi-disciplinary project, concerned with the effects of changing land use on the ecology and climate of the Brazilian Amazon. It is primarily concerned with investigating the water, carbon and nutrient cycles, and brings
  • Suspended sediment load in the Amazon Basin : an overview
  • The central objective of this report is to summarize the available sediment and sediment transport data for the Amazon River and its major tributaries and to present some previously unpublished data.
  • Development and erosion in the Brazilian Amazon : a geochronological case study
  • A 210Pb chronology of sedimentation in a small floodplain lake in the Jamari river basin (Rondonia, Brazil) provided insight into the relationship between development and erosion in the Brazilian Amazon. Positive correlations between increased
  • Deforestation of the Amazon. A Brazilian perspective
  • Compte rendu d'une mission scientifique effectuée par l'A. en 1989 dans le bassin de l'Amazone. Examen de tous les types de ressources naturelles disponibles, compte tenu des présentations médiatiques, des publications, et des observations
  • Changing flood plain livelihood patterns in the Peruvian Amazon
  • An attempt is made to relate the subsistence activites among the inhabitants of a community located on the flood plain of the Amazon in northeast Peru. Emphasises placed in explaining (a) the traditional livelihood patterns (b) the changes occurring
  • Holocene fires in the northern Amazon basin
  • The ubiquitous occurrence of charcoal in the forest soils of the Upper Rio Negro region of Colombia and Venezuela indicates the presence of frequent and widespread fires in the Amazon Basin possibly associated with extremely dry periods or human
  • Flood plain farming in the Peruvian Amazon
  • Etude des pratiques agricoles d'une communauté occupant les plaines d'inondation de l'Amazone au Pérou. Il est tiré parti de manière systématique des différents biotopes créés par la dynamique fluviale ce qui favoriserait l'installation de
  • The population of the Amazon basin in 1492: a view from the Ecuadorian headwaters
  • Aborigines ; Amazon Basin ; Epidemic ; Estimation ; Ethnography ; Fifteenth Century ; Historical geography ; Man-environment relations ; Settlement ; South America ; Tribe
  • . It is suggested that the population of the Amazon basin probably exceeded 5 million but that expectations of substantially higher populations appear unfounded.
  • Manifest destiny and the Brazilian Amazon : a backdrop to contemporary security and development issues
  • Jari : a pulp plantation in the brazilian Amazon