Mechanized tree planting in Sweden and Finland: Current state and key factors for future growth

BT Ersson, T Laine, T Saksa - Forests, 2018 - mdpi.com
In Fennoscandia, mechanized tree planting is time-efficient and produces high-quality
regeneration. However, because of low cost-efficiency, the mechanization of Fennoscandian …

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 …

The economic potential of semi-automated tele-extraction of roundwood in Sweden

M Lundbäck, C Häggström, D Fjeld… - … Journal of Forest …, 2022 - Taylor & Francis
The mechanization of roundwood harvesting in Sweden has historically cut costs rapidly.
However, machinery and work methods have conceptually stayed the same since the …

Evaluation of salvage logging productivity and costs in the sensitive forests of Bulgaria

S Stoilov, AR Proto, G Angelov, SF Papandrea… - Forests, 2021 - mdpi.com
Steep terrain harvesting can only be implemented by a limited set of operational
alternatives; therefore, it is important to be efficient in such conditions, in order to avoid …

Diesel consumption and carbon balance in South African pine clear-felling CTL operations: a preliminary case study

P Ackerman, C Williams, S Ackerman… - Croatian Journal of Forest …, 2017 - hrcak.srce.hr
Sažetak Recent and increasing use of mechanized cut-to-length (CTL) operations in South
Africa has been associated with greater diesel and lubricant requirements than was …

A comparison of two methods of data collection for modelling productivity of harvesters: manual time study and follow-up study using on-board-computer stem records

J Brewer, B Talbot, H Belbo, P Ackerman, S Ackerman - 2018 - scholar.sun.ac.za
Productivity of a mechanized P. patula cut-to-length harvesting operation was estimated and
modelled using two methods of data collection: manual time study and follow-up study using …

The effect of tree and harvester size on productivity and harvester investment decisions

SA Ackerman, B Talbot, R Astrup - International Journal of Forest …, 2022 - Taylor & Francis
Long-term machine-derived data sets comprising 140,000 trees were collected from four
harvesters of equal age and similar working conditions, into two machine size classes, viz …

Stem recovery and harvesting productivity of two different harvesting systems in final felling of Pinus patula

SJ Ntalikwa, DTK Shemwetta, T Nordfjell… - International Journal of …, 2024 - Taylor & Francis
With the current demand of wood products and industrial requirements, plantation owners
need to re-think ways in which harvesting is carried out and identify the most efficient …

Skills development of mechanized softwood sawtimber cut-to-length harvester operators on the Highveld of South Africa

R Wenhold, P Ackerman, S Ackerman… - International Journal of …, 2020 - Taylor & Francis
In this study, a South African pine sawtimber mechanized cut-to-length harvesting operation
was analyzed with the objective of modelling productivity development learning curves of …

Cost-productivity analysis of South African pine sawtimber mechanised cut-to-length harvesting

C Williams, P Ackerman - Southern Forests: a Journal of Forest …, 2016 - Taylor & Francis
The South African forestry industry is experiencing an increase in the number of fully
mechanised timber-harvesting systems. Understanding the productivity of these systems, for …