National and Sector-Specific Social and Economic Implications of Selecting Capital or Labour Intensive Methods of Coal Production
Scenario modelling of the sector wide and national employment and economic effects of production method choice in underground coal mining, for planners and policy makers.
by SGE Ashworth, NMHC Macnulty and A Adelzadeh | January 2002
Compares labour intensive mechanised drill and blast underground mining with capital intensive bord and pillar using continuous miners, and adds the option of substituting locally made goods for imported supplies. Input data came from two mines running both types of section under comparable geological conditions, covering worker numbers, skill profiles, cost structures and import dependence, then calibrated to industry totals to drive a socio-economic model.
R1500,00
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Wetlands Inventory of Upper Olifants River Catchment
2007
Catchment wide wetland inventory spanning parts of Mpumalanga and Gauteng, artificial wetlands included, with attributes on type, function and status for environmental planners.
What this report foundA digital wetland map and linked database were compiled for the Upper Olifants River Catchment from existing literature, existing wetland layers and aerial...
R1500,00
A digital wetland map and linked database were compiled for the Upper Olifants River Catchment from existing literature, existing wetland layers and aerial photography. Wetlands cover about 2 147 km2, some 14 per cent of the 15 158 km2 catchment. The wetland layer is about 70 per cent accurate and its attributes about 60 per cent, so it suits baseline screening rather than site assessment.