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.
Résultats de la recherche
Showing items 1 through 9 of 21.-
Library Resourcejanvier, 1995Belize
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Library Resource
Processes and Constraints
Rapports et recherchesdécembre, 1995ZambieAll 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.
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Library ResourceArticles et Livresdécembre, 1995Brésil, Amérique centrale, Amérique du Sud
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Library ResourceRapports et recherchesdécembre, 1995Colombie, 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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Library ResourceArticles et Livresdécembre, 1995Sri Lanka, Asia du sud-est
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Library ResourceRapports et recherchesdécembre, 1995Colombie, Amérique centrale, Amérique du Sud
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Library ResourceRapports et recherchesdécembre, 1995Colombie, Amérique centrale, Amérique du Sud
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Library ResourceRapports et recherchesdécembre, 1995Colombie, Amérique du Sud, Amérique centrale
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Library ResourceRapports et recherchesdécembre, 1995Colombie, Amérique du Sud, Amérique centrale
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Library ResourceRapports et recherchesdécembre, 1995Pakistan, Asie méridionale
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