Mohammad Reza Ghaffariyan

ORCID: 0000-0003-2429-3605
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About
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Research Areas
  • Forest Biomass Utilization and Management
  • Forest Management and Policy
  • Bioenergy crop production and management
  • Forest ecology and management
  • Biofuel production and bioconversion
  • Tree Root and Stability Studies
  • Soil Mechanics and Vehicle Dynamics
  • Agricultural Engineering and Mechanization
  • Agriculture and Farm Safety
  • Wood Treatment and Properties
  • Wildlife-Road Interactions and Conservation
  • Vehicle emissions and performance
  • Occupational Health and Safety Research
  • Mining Techniques and Economics
  • Optimization and Packing Problems
  • Plant Surface Properties and Treatments
  • Context-Aware Activity Recognition Systems
  • Environmental Sustainability in Business
  • Forest Insect Ecology and Management
  • Economic and Environmental Valuation
  • Belt Conveyor Systems Engineering
  • Livestock Management and Performance Improvement
  • Agroforestry and silvopastoral systems
  • Oil Palm Production and Sustainability
  • Sustainable Agricultural Systems Analysis

University of the Sunshine Coast
2015-2025

University of Tasmania
2011-2012

Forestry Tasmania
2011

BOKU University
2009-2010

This literature review aimed to identify the most efficient truck configurations used transport forest biomass and factors that affect their transportation efficiency. The analysed studies investigated various truck/trailer for transporting biomass. considered influenced efficiency such as material bulk density, moisture content, hauling distance, maximum permitted weight limits, payload capacities. Recent on biomass, configuration, productivity were determine of different fuel usage...

10.3897/silvabalcanica.26.e138435 article EN cc-by Silva Balcanica 2025-01-03

Agroforestry is the combination of wooden plants (trees and shrubs) with agriculture or pasture from same area. Silvopastoral systems combine natural resources such as planted trees livestock in land management unit. This would provide environmental financial benefits. Some benefits include aesthetics, water quality, improvement, soil conservation, carbon sequestration, biodiversity fuel reduction. Using online search about 20 relevant research reports were found reviewed to present main...

10.3897/silvabalcanica.26.e127074 article EN cc-by Silva Balcanica 2025-01-06

The cut-to-length method is a preferred for harvest of pine plantations in Australia. studied southern Tasmania consists feller-buncher, processor, forwarder, grapple loader and tractortrailers that were producing only pulp logs the plantation owner Norske Skog. An elemental time study was applied to evaluate productivity machines within flat terrain, Pinus radiata plantation. Multiple regression used SPSS develop prediction models. feller-buncher processor averaged 122.20 m3 per productive...

10.2989/20702620.2012.741770 article EN Southern Forests a Journal of Forest Science 2012-11-01

Abstract Purpose of Review The comprehensive assessment timber and fuelwood harvesting operations through the consideration three pillars sustainability: Economic, social, environmental has not received much attention. use criteria can significantly improve impact assessment. Therefore, objective this review paper is to compile analyze most commonly used indicators for each dimension sustainability in logging over last 6 years. This provides an overview these different machines, geographical...

10.1007/s40725-023-00198-x article EN cc-by Current Forestry Reports 2023-09-20

Biomass or energy wood harvesting can be integrated with conventional log (saw pulpwood production) to allow more cost-effective supply. The efficiency of an system was evaluated and compared in a 32-year-old Pinus radiata plantation (radiata pine) located south-west Western Australia. consisted harvester forwarder. study included two treatments: log-harvesting operation where merchantable sawlogs pulp logs were produced at the stump by extracted forwarder; sawlogs, that In plot, 37 m3 ha−1...

10.2989/20702620.2015.1052946 article EN Southern Forests a Journal of Forest Science 2015-06-19

New global and domestic policy regulatory initiatives promoting a circular economy have renewed interest in the beneficial repurposing of commercial waste streams. Likewise, consumer trends customers’ increased understanding what they purchase, where it comes from, happens to post-consumption forced firms consider reducing reusing their production The forest products industry is an exemplar becoming more adept at reorganising exploiting repurposed streams for reuse. This paper explores three...

10.3390/su14031559 article EN Sustainability 2022-01-28

The Bruks mobile chipper was tested for chipping extracted non-merchantable stemwood at the roadside in Pine plantation Victoria. elemental time study method used to evaluate system productivity. productivity, cost, biomass yield, remaining slash, chip quality (size classification and energy content), fuel consumption were analysed. Chipping small logs yielded a productivity of 43.88 GMt.PMH0-1 (19.4 BDT.PMH0-1). average cost about 16.96 USD.GMt-1 (38.36 USD.BDT-1).

10.17221/51/2012-jfs article EN cc-by-nc Journal of Forest Science 2012-12-31

There is little knowledge available regarding Australian forestry work safety and accident rates. Machine operators workers are vital parts of the sector their health well-being can greatly impact on quality efficiency. To increase our forest workers' this project aimed to analyse frequency, type root causes accidents which occurred within different activities five industry partners Forest Operations Research Alliance over period from 2004 2014. A questionnaire was designed distributed...

10.17221/80/2016-jfs article EN cc-by-nc Journal of Forest Science 2016-12-05

Abstract Cable yarding has been used for many years in mountainous forests central European countries. Tower yarders are common cable systems Austria. The goal of this study was to develop a general time prediction model two kinds tower multiple regression method applied. average production rate 9.30 m3/PSH0 with cost US$25.48/m3. results also showed that the downhill less than uphill using Syncrofalke yarder. developed models can help forest engineers estimate similar logging operations.

10.1080/14942119.2009.10702571 article EN International Journal of Forest Engineering 2009-01-01

Australia is at an early stage of exploring the use forest biomass to generate energy. This study evaluated yield and productivity rates equipment for harvesting in a poor-quality eucalypt plantation. The operation consisted tracked feller-buncher, grapple skidder mobile chipper. Time methods were used measure operation. A multiple regression model was constructed predict skidding productivity. Biomass production 63.9 t ha−1 based on recorded load weight eight trucks. Delays documented...

10.2989/20702620.2011.639491 article EN Southern Forests a Journal of Forest Science 2011-12-01

The chipping operation is an important component of harvesting systems producing biomass and pulp chips. This paper aimed to develop a valid model predict the productivity as part these operations. Over number years more than 200 different time studies were conducted on operations in Italy Australia. Multiple regressions backward stepwise data analysis methods applied prediction equation, considering following variables: machine power (kW), piece size (m3), crew size, method, species, tree...

10.2989/20702620.2013.816233 article EN Southern Forests a Journal of Forest Science 2013-08-25

The utilization of forest harvest residues for renewable bioenergy production and bioproducts has increasingly become an integrated part forestry that helps to meet the needs climate change mitigation a future carbon neutral economy. An essential element in planning any harvesting residue recovery operation is reliable assessment quantity quality biomass its composition over area. With now widely adopted cut-to-length (CTL) at stump system Pinus radiata plantations Australia, left on site...

10.3390/f13030428 article EN Forests 2022-03-09

Steep country harvesting has been identified as the main bottleneck to achieving greater profitability in forestry sector of New Zealand and Australia. An improvement efficiency, work safety environmental sustainability should be realized by developing an advanced steep terrain timber system based on innovative Austrian technology. To identify best suitable configuration a cable yarder for harvesting, user preferences online survey (conjoint analysis) have evaluated answer following...

10.3390/f10020165 article EN Forests 2019-02-15

Different factors can impact on the timber harvesting methods including stand characteristics, ground conditions, extraction distance, climate, silvicultural treatments and social interests. The multiple-criteria analysis is an effective methodology for helping foresters decide what system to apply depending their operations specifications. Four were compared in Western Australian Eucalypt plantations cut-to-length (CTL), in-field chipping using a delimbing debarking flail integrated with...

10.17221/45/2013-jfs article EN cc-by-nc Journal of Forest Science 2013-12-31

Abstract A new model for predicting the total tree height harvested stems from cut-to-length (CTL) harvester data was constructed Pinus radiata (D.Don) following a conceptual analysis of relative stem profiles, comparisons candidate models forms and extensive selections predictor variables. Stem profiles more than 3000 trees in taper set were each processed 6 times through simulated log cutting to generate required this purpose. The CTL simulations not only mimicked but also covered full...

10.1007/s11676-019-01078-6 article EN cc-by Journal of Forestry Research 2019-12-16
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