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Portail d'information géographique

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Par Collection Par Auteur Par Date Par Sujet Par Titre
Wind and rain in the desert region of Xinjiang, Northwest China
  • Wind and rain in the desert region of Xinjiang, Northwest China
  • 1992
Long-term isovolumetric leaching of aluminium from rocks during weathering : implications for the genesis of saprolite
  • Acid rain ; Aluminium ; Brazil ; California ; Crystalline rocks ; Geochemistry ; Leaching ; Palaeo-environment ; Pedogenesis ; South Carolina ; United States ; Weathering
  • The purpose of this paper is to present isovolumetric geochemical analyses of saprolites (residual soils in which the texture and structures of parent rocks are preserved). In light of the emerging problems of acid rain and Al toxicity
  • 1992
« Wildlands » conservation in Central America during the 1980s : a geographical perspective
  • Amerindians ; Central America ; Cultural identity ; Ethnic group ; Nature conservation ; Nature reserve ; Tropical rain forest
  • More than 240 wild areas that total more than 70 000 km2 now receive protection in Central America. Most of these are tropical rain forest and incorporate indigenous populations. This article inventories protected areas for each country and offers
  • 1992
Late Holocene river courses and early Polynesian sites, Lower Waimakariri River, Canterbury
  • RAINS, R. J.
  • RAINS, R. B.
  • 1992
The use of geographical information systems in the planning phase of a fieldwork project
  • This article will demonstrate how a digital elevation model for a catchment area on the Faeroe Islands has been used in a geographical information system to select suitable sites for rain gauge mounting in order to reflect the orographic conditions
  • . Furthermore, it will demonstrate how to identify one or more locations in the terrain, from where all the rain gauges are visible.
  • 1992
Depletion of natural resources and the status of conservation in Latin America
  • Environment ; Latin America ; Natural resources ; Nature conservation ; Resource management ; Soil conservation ; Tropical rain forest
  • 1992
Der Tropische Regenwald in Kalimantan (Indonesisch Borneo). Bisherige Nutzung und Zukunftsperspektiven
  • Forest ; Forestry ; Indonesia ; Kalimantan ; Nature conservation ; Transfer of population ; Tropical rain forest ; Wood
  • 1992
The tropical forest : competing demands for preservation, exploitation, and conversion
  • Competition ; Forest ; Forest resources ; Forestry ; Latin America ; Nature conservation ; Resource management ; Tropical rain forest
  • 1992
Geographic research on aboriginal and peasant cultures in Amazonia, 1980-1990
  • Aborigines ; Amazonas ; Amerindians ; Brazil ; Cultural geography ; Frontier region ; Peasantry ; Peru ; Settlement ; South America ; Subsistence agriculture;Subsistence farming ; Traditional agriculture ; Tropical rain forest ; Village
  • 1992
Studies of climatic and human impacts and their relationship on a mountain slope above Salme in the Himalayan Middle Mountains, Nepal
  • Research above Salme indicates that heavy monsoon rains in the Himalaya may not accelerate soil erosion caused by human land pressure as has been commonly asserted.―(DWG)
  • 1992
Global climate change and fish and fisheries : what might happen in a temperate oceanic archipelago like New Zealand
  • If predicted global climatic changes occur, New Zealand is likely to experience changes in temperature along the north-south axis, but changes in rainfall across this axis, with more rain in the west and less in the east. Such climate changes
  • 1992
Threats to the natural environment in the Polish Tatra mountains
  • High levels of pollution in industrial centers of Poland, Germany and Czechoslovakia that cause acid rain are believed to be responsible for forest decline in the Tatra mountains. Entire groups of plants, especially lichens, have become endangered
  • 1992
Patterns of Holocene climatic change in the Midwestern United States
  • The Holocene pollen sequence in the Minnesota area is « asymmetric » around the so-called prairie period : the early Holocene is dominated by elm and the late Holocene by oak. The elm zone is interpreted as a manifestation of summer monsoonal rains
  • 1992
Kislotnoe zagrjaznenie atmosfernyh osadkov v Moskovskom stoličnom regione
  • Acid rain ; Former USSR ; Moscow ; Pollution ; Precipitation ; Russia ; Snow ; Snow cover ; Winter
  • 1992
Abnehmende Kooperation in der Umweltpolitik trots zunehmender wirtschaftlicher Integration. Das kanadisch-amerikanische Verhältnis im Umweltbereich
  • Acid rain ; Canada ; Environment ; Environmental degradation ; International agreement ; International cooperation ; International relations ; International trade ; North America ; Switzerland
  • 1992
L'aggravation de l'érosion des terres arables et les transformations foncières en Tchécoslovaquie. Une étude de cas
  • Agrarian structure ; Arable land ; Cultivated land ; Former Czechoslovakia ; Heavy rain ; Precipitation ; Soil erosion
  • 1992
Les ressources forestières dans la problématique du développement en Côte d'Ivoire
  • Deforestation ; Development ; Ecosystem ; Environmental degradation ; Forest ; Forest resources ; Forestry ; Ivory Coast ; Land clearing ; Rain forest;Equatorial forest ; State control ; Systems analysis
  • 1992
The pristine myth : the landscape of the Americas in 1492
  • America ; Amerindians ; Cultural landscape ; Environment ; Farming;Agriculture ; Historical geography ; Human impact ; Myth ; Settlement ; Sixteenth Century ; Tropical rain forest ; Vegetation ; Way of life
  • 1992
Deforestation in the postwar Philippines
  • Agricultural land use ; Deforestation ; Farming;Agriculture ; Forest ; Forest exploitation ; Forest resources ; Forestry ; Model ; Philippines ; Shifting cultivation ; Soil degradation ; Tropical rain forest ; Tropical zone
  • 1992
The timing of alluvial sedimentation and floodplain formation in the lowland humid tropics of Ghana, Sierra Leone and western Kalimantan (Indonesian Borneo)
  • Temporal patterns in floodplain genesis and alluvial sedimentation in lowlands tropical rain forest zones of Ghana, Sierra Leone and western Kalimantan (Indonesian Borneo) based upon 14C age determinations are described. The AA. propose that periods
  • 1992