Analyzing and estimating delays in wood chipping operations
R Spinelli, RJM Visser - biomass and bioenergy, 2009 - Elsevier
Productivity studies are still frequently used to describe, understand and improve forest
operations. Delays are recognized as being one of the major factors that limit chipper …
operations. Delays are recognized as being one of the major factors that limit chipper …
A review on cable yarding operation performance and its assessment
S Böhm, C Kanzian - International Journal of Forest Engineering, 2023 - Taylor & Francis
Cable yarding is a well-established practice for wood extraction in mountainous regions in
most parts of the world where fully mechanized harvesting systems like harvester-forwarder …
most parts of the world where fully mechanized harvesting systems like harvester-forwarder …
Industrial harvesting of olive tree pruning residue for energy biomass
R Spinelli, G Picchi - Bioresource Technology, 2010 - Elsevier
In Mediterranean countries, olive tree pruning residue represents an abundant source of
energy biomass, still largely unexploited for lack of cost-effective harvesting technology. The …
energy biomass, still largely unexploited for lack of cost-effective harvesting technology. The …
Using modified foragers to harvest short-rotation poplar plantations
R Spinelli, C Nati, N Magagnotti - Biomass and Bioenergy, 2009 - Elsevier
In Italy, short rotation coppice (SRC) has become very popular in recent years, with over
4000ha already planted–almost exclusively with clonal poplar. Commercial harvesting …
4000ha already planted–almost exclusively with clonal poplar. Commercial harvesting …
Factors affecting operational cost and productivity of ground-based timber harvesting machines: a meta-analysis
Abstract Purpose of Review Optimization of cost and productivity is an important aspect of
sustainable timber harvesting which have global level implications on renewable energy …
sustainable timber harvesting which have global level implications on renewable energy …
Determining the shape of the productivity function for mechanized felling and felling-processing
R Visser, R Spinelli - Journal of Forest Research, 2012 - Springer
Productivity studies in forest operations are often carried out on new equipment, or on
equipment being used in new conditions. Understanding how stand and terrain parameters …
equipment being used in new conditions. Understanding how stand and terrain parameters …
Factors affecting forwarder productivity
Modern forwarders are an effective extraction option for timber harvesting operations that
provide the opportunity for higher levels of mechanization. With their ability to carry logs from …
provide the opportunity for higher levels of mechanization. With their ability to carry logs from …
Utilization rates and cost factors in timber harvesting based on long-term machine data
F Holzleitner, K Stampfer, R Visser - Croatian Journal of Forest …, 2011 - hrcak.srce.hr
Sažetak Operating forest machines is not only expensive but accurate monitoring of
economic variables can be very difficult. Detailed machine data capture of economic …
economic variables can be very difficult. Detailed machine data capture of economic …
[HTML][HTML] Multi-tree cut-to-length harvesting of short-rotation poplar plantations
Small tree size represents the main challenge when designing a cost-effective harvesting
system for European short-rotation plantations. This challenge is further complicated by the …
system for European short-rotation plantations. This challenge is further complicated by the …
[HTML][HTML] The effect of mechanization level and harvesting system on the thinning cost of Mediterranean softwood plantations
R Spinelli, C Lombardini, N Magagnotti - Silva Fennica, 2014 - silvafennica.fi
The study compared motor-manual cut-to-length (CTL) harvesting, motor-manual whole-tree
(WT) harvesting, mechanized CTL harvesting and mechanized WT harvesting as applied to …
(WT) harvesting, mechanized CTL harvesting and mechanized WT harvesting as applied to …