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  • In this part of Chile, altitudinal belts changed their position vertically during the Upper Quaternary as humidity changed. Present soils are relicts of the humid Late Glacial and a humid Holocene climate optimum.―(DWG)
  • 1993
  • Late quaternary glaciation as a proxy for climatic change in the Central Andes
  • Glacial history of highland Peru and Bolivia is used to reconstruct climatic changes during the last 20 000 years. Late Pleistocene glaciation occurred between 14 000-12 000 yr. B.P. Between 12 000-10 000 yr. B.P. deglaciation proceeded rapidly
  • 1993
  • Evolution of high Andean ecosystems : environment, climate, and culture change over the last 12000 years in the Central Andes
  • 1993
  • Climate change and natural resource dynamics of the Atacama Altiplano during the last 18000 years : a preliminary synthesis
  • 1993
  • As exemplified by the Callawaya people of Bolivia, traditional Andean agriculture arranged in a zonation of vertical belts was adapted to the climate. External social and technological changes have upset the equilibrium resulting in environmental
  • 1993