This means that, from a financial point of view, the length of the felling cycle matters little as long as all valuable trees are felled in the first cut.
Direct assessment of the aboveground biomass is strenuous; all trees must be felled and weighed in a small sample area, in order to parameterize a regression method.
Although the exact figures may have been different in the past, the mechanism of erosion starting where forest is felled for a road must surely have operated then as now.
Surrounding smaller trees were felled for use as rough fences and a variety of millets, pulses and vegetables were intersown with the main crop of hill rice.
With each tree felled, the administration ran a greater risk of scandal or worse.
However, subsequent field inspections showed that some healthy pine and oak trees were being felled for carpentry and charcoal use.
Yet declarations which indicated merely the land area to be felled continued to be lodged and registered.
Under this system all valuable trees are felled, and the residual stand above a certain minimum diameter is poison-girdled.
