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 …

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 …

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 …

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 …

Factors affecting operational cost and productivity of ground-based timber harvesting machines: a meta-analysis

LT Louis, AR Kizha, A Daigneault, HS Han… - Current Forestry …, 2022 - Springer
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 …

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 …

Factors affecting forwarder productivity

AR Proto, G Macrì, R Visser, H Harrill, D Russo… - European Journal of …, 2018 - Springer
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 …

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 …

[HTML][HTML] Multi-tree cut-to-length harvesting of short-rotation poplar plantations

N Magagnotti, R Spinelli, K Kärhä… - European Journal of …, 2021 - Springer
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 …

[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 …