Sažetak Timber harvesting on steep terrain has always been, and will remain, a challenge in
terms of economic viability, safety and environmental performance. For almost a century …

While modern fully mechanized ground-based systems are a default option for safe and
productive harvesting, they have always been limited by terrain factors such as slope, soil …

Economic and environmental consequences of harvesting operations are important in
forestry because of the damages caused by tree felling and timber transportation. In this …

The correct capture of forest operations information carried out in forest plantations can help
in the management of mechanized harvesting timber. Proper management must be able to …

Skidders are very cost-effective extraction machines, and winch-assist systems may extend
their operating range to increasingly steep terrain. The use of winch-assist skidder systems …

Cable yarding technology remains the most effective operation in steep terrain harvesting
systems; however, it has limitations and challenges. Using cable yarders (tractor-, truck-, and …

Data envelopment analysis (DEA), a non-parametric performance measurement approach,
is used to measure the relative operational efficiency of logging contractors. An existing cost …

ABSTRACT A benchmarking system has been recording logging contract rate (being the
agreed $/ton for trees harvested, processed, and loaded out) and productivity for plantation …

Competition for woody biomass between material and energy uses is expected to further
increase in the future, due to the limited availability of forest resources and increasing …

Manual felling in afforested land is a productivity constraint and, more importantly, a safety
concern. This has prompted the development of innovative mechanized harvesting systems …