ベネズエラの地図事情 : 土地資源調査について

概要

論文の詳細を見る
In Venezuela, National Inventory of Lands has been carried out since 1968 by COPLANARH, Commission of National Planning of Water Resources and since 1977 by MARNR, Ministry of the Environment and the Renewable Natural Resources.<BR>The results of the inventory have been published in reports with maps of geomorphology, soils, land use, morphodynamic balance, land use capabilities (in the three systems : 1-natural, 2-with drainage, and 3-with drainage and irrigation) mostly at a scale of 1 : 250, 000. This inventory has covered about 321, 500 km2 by the end of 1980. The contents of the inventory is described briefly in this paper. Other surveys related to land resources are also mentionned briefly.
社団法人東京地学協会の論文