@JournalForestE

Taylor & Francis journal covering forestry operations topics related to the management, harvesting, processing, and transportation of timber.

tandfonline.com/journals/tife20
Joined September 2024
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Is this a new concept to help forest machine operators keep track of thinning intensity throughout a harvest operation?
Harvester felling trees. Taken by Kari Väätäinen of Natural Resources Institute Finland

ALT Harvester felling trees. Taken by Kari Väätäinen of Natural Resources Institute Finland

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A recently published paper proposes and validates the idea of creating a LiDAR-based digital twin of the stand before the harvest, which is then updated in real time as the harvest proceeds. This provides the operator with support for decision-making and reporting.
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Full article 👉️ doi.org/10.1080/14942119.202…

Real-time monitoring of thinning intensity using harvester data and remote sensing-based single-t...

Achieving the recommended basal area and stem density of remaining trees in cut-to-length thinning operations can be a challenging task for the harvester operator. In recent years, thinning intensi...

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Interviewed with the Analytic Hierarchy Process (AHP) technique, 110 loggers from Central and Southern Italy indicated that low investment cost is the dominant driver when purchasing a cable yarder for extraction in Mediterranean forests.
Cable yarder tailored to the needs of loggers in Mediterranean forests as a results of a research conducted by Raffaele Spinelli. Image source: Greifenberg

ALT Cable yarder tailored to the needs of loggers in Mediterranean forests as a results of a research conducted by Raffaele Spinelli. Image source: Greifenberg

Pie chart: Interviewed with the Analytic Hierarchy Process (AHP) technique, 110 loggers from Central and Southern Italy indicated that low investment cost is the dominant driver when purchasing a cable yarder for extraction in Mediterranean forests. High performance is important but secondary, and so are convenience of use and options. Graphic source: Raffaele Spinelli

ALT Pie chart: Interviewed with the Analytic Hierarchy Process (AHP) technique, 110 loggers from Central and Southern Italy indicated that low investment cost is the dominant driver when purchasing a cable yarder for extraction in Mediterranean forests. High performance is important but secondary, and so are convenience of use and options. Graphic source: Raffaele Spinelli

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High performance is important but secondary, and so are convenience of use and options. Full article: tandfonline.com/doi/full/10.…

User-defined specifications of a cable yarder for the Mediterranean mountains

Cable yarding is the common method for timber extraction on steep terrain, and yet its use in the Mediterranean mountains remains limited despite decades of promotion. Then the question arises whet...

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RFID in forestry: Is digital tree marking a step towards precision forestry? Researchers have confirmed the stability and reliability of RFID tags in harsh forest conditions. #DigitalForestry #PrecisionForestry #RFID #TimberTraceability #ForestManagement #ForestDigitalisation
RFID scanner, tag and marked tree. Foto credit: Dorin Palie

ALT RFID scanner, tag and marked tree. Foto credit: Dorin Palie

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They also emphasise the potential of RFID technology to transform the way trees are marked, replacing visual identification with a digital, verifiable system that is directly linked to forest inventory data. Read the full study here: tandfonline.com/doi/full/10.…

Digitizing tree marking operations: a comparative field performance evaluation of the RFID techno...

The integration of digital technologies into forest management represents a promising approach for improving timber traceability and supporting sustainable forest operations. Among these technologi...

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This study demonstrates how RFID can support the shift towards data-driven forest management and digital precision forestry.
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Can cable logging become energy self-sufficient? Experimental field tests and simulations show that a hybrid self-propelled forestry carriage can reduce fuel consumption by 40-100% and, under favourable downhill conditions, achieve energy-autarkic operation.
Self-propelled with hybrid drive during field test (left) and grapic showing fuel savings depending on slope and payload (right) photo credit: Stefan Leitner

ALT Self-propelled with hybrid drive during field test (left) and grapic showing fuel savings depending on slope and payload (right) photo credit: Stefan Leitner

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Full article: tandfonline.com/doi/full/10.…

Hybrid self-propelled carriage: fuel consumption and efficiency study via field data and simulation

Hybridization and electrification are rapidly advancing in off-road industrial equipment, including cable logging machinery. Electrified slack-pulling carriages have already become mainstream, whil...

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How can we better predict fuel consumption and travel time for logging trucks? Using real data from 21 trucks, we developed anetwork-aware model that captures road conditions, speed changes and intersections—improving accuracy while remaining efficient for large-scale routing.
Log truck loaded driving on a forest road. Photo by Mikael Rönnqvist

ALT Log truck loaded driving on a forest road. Photo by Mikael Rönnqvist

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Full article: doi.org/10.1080/14942119.202…

A new detailed fuel and travel time estimation model for heavy trucks in forestry

Transportation and route planning require accurate information about fuel consumption and travel time. This is needed to provide correct input for decision support and analytic systems. The two typ...

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Researchers first applied stochastic programming to inventory control of willow pellet production facility, providing 44% cost variability reduction compared to the deterministic approach, suggesting more predictable costs are possible under uncertainty. doi.org/10.1080/14942119.202…
Willow crops. Photo credit: Zhuoxiao Wu

ALT Willow crops. Photo credit: Zhuoxiao Wu

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A new forestry crane (10.6 m boom with a slewing column) was designed using FEA, prototyped and validated in the field. Tests confirms a 3t capacity within safe operating limits, whilst statistical analyses demonstrate the effect of log diameter and length on loading efficiency.
A new forestry crane grabs logs from the ground. Faruk Güner edited the image with AI to remove distracting elements in the background. Image source: Faruk Güner

ALT A new forestry crane grabs logs from the ground. Faruk Güner edited the image with AI to remove distracting elements in the background. Image source: Faruk Güner

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Full article: tandfonline.com/doi/full/10.…

Development and field performance evaluation of a novel forestry crane: an integrated FEA, protot...

This study presents the design and prototype development of a functionally enhanced log crane. A 3D model of the prototype was created and analyzed using commercial finite element software. Followi...

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Can this forest road handle a 76-metric-ton logging truck moving these logs after last night's rainstorm? Yes! A new Finnish study published in IJFE provides the first ever scalable real-time prediction models for gravel road bearing capacity. tandfonline.com/doi/full/10.…
Forest road in the back with stacked logs in front. Source: Joel Kostensalo

ALT Forest road in the back with stacked logs in front. Source: Joel Kostensalo

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New review compiles 311 models of CTL harvester productivity published in 82 papers during 2013–2023, and summarizes predictors, equation types, and predictive capabilities. All models are provided in editable formatas supplementary material to the paper.
6-wheel harvester operating in a coniferous stand. Source: Ola Lindroos

ALT 6-wheel harvester operating in a coniferous stand. Source: Ola Lindroos

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Full article: tandfonline.com/doi/full/10.…

Productivity models for cut-to-length harvesters and harwarders: a systematic review over the...

Precise predictions of work productivity are crucial for planning and costing of forest operations. Productivity models are developed based on time studies or follow-up studies, and due to the dive...

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Biomass harvesting efficiency depends on both stand conditions and how machines work together. This study of two Florida Coastal Plain operations shows how small tree size, feller-buncher productivity, and overall system balance affect performance and production costs.
Chipping of biomass at the landing. Picture taken by Dr. Richard Cristan

ALT Chipping of biomass at the landing. Picture taken by Dr. Richard Cristan

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Full article: tandfonline.com/doi/full/10.…

Forest biomass harvesting operations’ costs and production rates in the Florida Coastal Plain: a...

As biomass energy becomes a key part of the renewable energy mix, optimizing biomass harvesting operations is crucial for ensuring efficiency, economic viability, and a sustainable energy supply. T...

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