Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 21.
  1. Library Resource
    janvier, 1995
    Belize

    Will intensifying the road network around market areas produce greater economic returns and less environmental damage than extending the road network into new areas?Rural roads promote economic development but also facilitate deforestation. To explore the trade-offs between development and environmental damage posed by road building, Chomitz and Gray develop and estimate a spatially explicit model of land use.

  2. Library Resource
    Land administration in Zambia

    Processes and Constraints

    Rapports et recherches
    décembre, 1995
    Zambie

    All land in Zambia is vested in the president, in trust for the people of Zambia, under the Land (Conversion of Titles) Act, 1975 (see p.16), SECTION4.The president has delegated landadministration to the Commissioner of Lands under Statutory Instrument No. 7 of 1964 and GazetteNotice No. 1345 of 1975, as amended. Land in Zambia is divided into State (formerly crown),Reserve, and Trust Lands, as well as park reserves.

  3. Library Resource
    Rapports et recherches
    décembre, 1995
    Colombie, Amérique centrale, Amérique du Sud

    This project was set up to investigate the level of accuracy which can be expected for slope and altitude values derived from low-cost Digital Elevation Models (DEMs). Eight gridded DEMs were generated from digitized contour maps at a range of scales:1:10,000 1:25,000 1:100,000 1:200,000 - and using a range of contour intervals 25m, 50m and 100m. A Control DEM was then produced using large scale aerial photographs (1:28,000) which were registered for auto-extraction of z-values using Helava software and accuracy tested using 91 differentially measured GPS ground control points.

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