Forest industries pre-investment survey project, (Ceylon). Forest inventory, fellowship report

aerial surveying cost benefit analysis data analysis data collection dendrometria dendrometrie forest inventories forest mensuration forest products industry forest stands fotografia industria forestal inventaire forestier inventarios forestales muestreo peuplement forestier photographie photography procedimiento de la encuesta rodales sampling silvicultura silviculture surveying sylviculture tarif de cubage volume tables