CV-sida

Dan Bergström

Dan Bergström
2015: Associate professor in Forest Biomaterial Supply Systems 2019: D.Techn. at SLU 2015: BSc Energy Technolgy Engineering at Umeå University

Presentation

 

 

Undervisning

Cource manager of MSc thesis cources at SBT

Forskning

R&D of thinning systems

R&D of forest fuel systems

R&D of effective biomaterial supply systems

Supply Systems Analysis

Logistics

Handledning

Handledning av doktorander som erhållit doktorsexamen

Lars Fridh, 2015-2017, PhD Degree, Main Supervisor, Other Supervisors: Sylvia Larsson (SLU), Ola Lindroos (SLU), Tomas Thierfelder (SLU), Lars Eliasson (Skogforsk), Title of Thesis: Measuring Forest Fuel Quality for Trade and Production Management. https://pub.epsilon.slu.se/14354/

Simon Berg, 2010-2014 PhD Degree, Assistant Supervisor, Other Supervisors: Tomas Nordfjell (SLU, main supervisor), Dimitris Athanassiadis (SLU), Title of Thesis:  Technology and systems for stump harvesting with low ground disturbance. https://pub.epsilon.slu.se/11641/

Handledning av doktorander som erhållit licentiatexamen

Kalvis Kons, 2013-2015, Licentiate Degree, Assistant Supervisor, Other Supervisors: Tomas Nordfjell (SLU, main supervisor), Dimitris Athanassiadis (SLU), Dag Fjeld (SLU), Fulvio Di Fulvio (SLU) , Title of Thesis: Forest biomass terminal properties and activities. https://pub.epsilon.slu.se/11851/

Pågående handledning av doktorander

Artis Becs, 2018-12-, Assistant Supervisor, Other supervisors: Gustaf Egnell (SLU, main supervisor), Lenka Kuglerova (SLU), Working title of thesis: Prerequisites for biomass production from small-diameter trees in Swedish forestry.

Lena Jonsson, 2018-09-, Main Supervisor (co-supervisor during 2017-04-2018-09), Other Supervisors: Urban Bergsten (SLU), Magnus Karlberg (LTU), Karin Hjelm (Skogforsk), Working Title of Thesis: Future soil scarification and regeneration technologies – adaptation to additional ecosystems services.

Leif Westerlund, 2018-02-, Main Supervisor, Other Supervisors: Erik Anerud (SLU), Josefina Nyström (SLU), Back Tomas Ersson (SLU), Working Title of Thesis: Technology, systems and cost for storage and management of forest fuels at terminals.

Örjan Grönlund, 2017-01-, Main Supervisor, Other Supervisors: Lars Eliasson (Skogforsk), Line Djupström (Skogforsk), Emanuel Erlandsson (SLU), Working Title of Thesis: Nature Conservation Management in Sweden – Mapping of Areas, Costs and Potentials.

Matti Virkkunen, 2016-11-, Assistant Supervisor, Other Supervisors: Teijo Palander (UEF, Main supervisor), Dimitris Athanassiadis (SLU), Working Title of Thesis: Final felling and silvicultural thinning derived forest biomass procurement cost reduction in terminal wood supply chains by developing transport planning, material handling and wood procurement systems through continuous-time dynamic analysis.

Kalvis Kons (Lic.), 2016-09-, Main Supervisor, Assistant Supervisors: Tomas Nordfjell (SLU), Dimitris Athanassiadis (SLU), Pedro La Hera (SLU), Working Title of Thesis: Management of Forest Biomass Terminals.

Raul Fernandez Lacruz, 2015-03- , Main Supervisor (Assistant Supervisor 2014-11 - 2015-02), Other Supervisors: Tomas Nordfjell (SLU), Fulvio Di Fulvio (IIASA), Anders Eriksson (SLU) , Working Title of Thesis: Development of biomass supply chains for small tree harvesting from dense thinning forests and marginal land.

Supervision at MSc level, 30/60cred

2018/2019 – Martin Permångs, MSc Thesis 30cred, “Calculation model for transport capacity of timber trucks - development of NETRA, a the decision support system” (manuscript, will be published spring 2019)

2018/2019 – Christian Höök, MSc Thesis 60cred, “Model to find potential high capacity transport (HCT) routes in Sweden” (manuscript, will be published spring 2019 – the study will also be submitted to a scientific journal, which is a part of the 60cred course!)

2017/2018 – Victor Spjut, MSc Thesis 30cred, “Analysis of the Bastuträsk terminal storage logistics” (submitted for publication in Epsilon)

2017/2018 – Carl Segersson, MSc Thesis 30cred, “Roundwood loading at a railroad terminal – a study on time- and fuel consumption of a Volvo L180” (will soon be submitted for examination)

2017/2018 – Arvid Boberg, MSc Thesis 30cred, “Analysis of two different loading procedures with 74-ton HCT - timber trucks - economic analysis of the effect on transport distance and load fill rate.” (will soon be submitted for examination)

2016/2017 – Rickard Näslund, MSc Thesis 30cred, “Route analysis of a two-parted vehicle fleet with HCT and conventional roundwood trucks” https://stud.epsilon.slu.se/10191/

2016/2017 - Jonatan Norman, MSc Thesis 30cred, “Development of route planning tool (RPT) for small fleets and haulers”. Manuscript is ready for publishing.

2016/2017 – Isac Forsberg, MSc Thesis 30cred, ”Productivity and economics by usage of 68-tonne chip trucks instead of the traditional 60-tonne chip truck” https://stud.epsilon.slu.se/13041/

2016/2017 – Andreas Engman, MSc Thesis 30cred, “Sampling with chainsaw for determination of moisture content of loose forest fuels” https://stud.epsilon.slu.se/10182/

2015/2016 – Rickard Hjelmqvist, MSc Thesis 30cred, “Comparison of productivity and costs for harvesting and forwarding at two different preclearance levels in first thinning of conflict stands” https://stud.epsilon.slu.se/9722/

2015/2016 – Leif Westerlund, MSc Thesis 30cred, “Productivity in forwarding logging residues depending on harvester work method” https://stud.epsilon.slu.se/8996/

2015/2016 – Henrik Wiklund, MSc Thesis 30cred, “The effect of undergrowth clearing and thinning intensity on the harvester´s effectiveness in first thinning’s” (will soon be submitted for examination).

2014/2015 – Joel Widman, MSc Thesis 30cred, “Cost analysis of changing working hours and shift forms of trucking companies that supplies timber to Braviken paper mill and sawmill” https://stud.epsilon.slu.se/8087/

2014/2015 – Fredrik Jonsson, MSc Thesis 30cred, “How does leafless undergrowth affect quality and logging costs in thinning?” https://stud.epsilon.slu.se/7867/

2014/2015 – Axel Sandahl, MSc Thesis 30cred, “TRUPP - Model for evaluation of trucking contractors roundwood transports at Norra Skogsägarna” https://stud.epsilon.slu.se/7952/

2014/2015 – Anna-Frida Eriksson, MSc Thesis 30cred, “A comparison between two standard methods for sieving wood chips” https://stud.epsilon.slu.se/8221/

2013/2014 – Jonas Olovsson, MSc Thesis 30cred, ”The effect of head-type and stem size harvested on the harvester´s productivity and economy in final fellings” https://stud.epsilon.slu.se/7001/

2012/2013 – Göran Nilsson, MSc Thesis 30cred, “Effects of grapple-tilt on forwarder productivity” https://stud.epsilon.slu.se/5982/

2012/2013 – Carl Johansson, MSc Thesis 30cred, “Multi-tree handling in final-felling” https://stud.epsilon.slu.se/5519/

2011/2012 – Axel Ekström, MSc Thesis 30cred, “Mapping saw-dust products at Sävar såg” https://stud.epsilon.slu.se/4220/

2010/2011 – Robert Andersson, MSc Thesis 30cred, “Productivity of integrated harvesting of pulpwood and energy wood in first commercial thinnings” https://stud.epsilon.slu.se/2318/

2010/2011 – Nils Lindkvist, MSc Thesis 30cred”, Development of decision support for energy-suited thinnings in Västerbotten” https://stud.epsilon.slu.se/2375/

2010/2011 – Linnea Nordin, MSc Thesis 30cred, “Productivity and profitability in early bioenergy-thinnings - a time study of Vimek 608 BioCombi in stands of Lodgepole pine” https://stud.epsilon.slu.se/2469/

2009/2010 – Patrik Johansson, MSc Thesis 30cred, “Forest fuel harwarder in early thinnings of lodgepole pine” https://stud.epsilon.slu.se/1524/

Supervison at BSc level 15cred (19 st)

2017 – Fredrik Ögren, “View on pulp chips as sawmill income and routines for changing knives and anvils”

2017 – Anton Henriksson & Emil Strand, “The potential for mechanical dewatering of fresh logging residues - a comparative system analysis of three different system”

2016 – Arvid Boberg & Jonatan Lilja, “Precision of pile-measurement of roundwood with photographic technology applied in smartphones”

2016 – Isabelle Hallberg Sramec, “Attitudes to a industry standard for site instructions”.

2016 – Elisabet Eriksson, “Impact of the pre-commercial thinning strength on first thinning stand”

2016 – Daniel Frisch Eriksson & Max Björklund, “A economic and logistical analysis of increased storage capacity and structuring of storage at Domsjö Fiber AB -a design of Domsjö Fibers bearing surfaces”

2016 – Anders Ellington & Peter Johansson, “Does the windrow pattern affect moisture content and temperature in bundled forest fuels during storage?”

2015 – Sara Nilsson & Jonatan Norman, “Mapping of bark landfills in northern Sweden and examination of potential uses for the bark”

2015 – Johan Storgärd, “Machine follow up and delivery cost analysis of biofuels from the forest to industry”

2015 – Henning Gustavsson, “Cost and time required for delayed pre-commercial thinning”

2015 – Hanna Bäckström, “Effect of temperature and quality of the SCA stable pellet”

2015 - Jacob Forsberg & Kasper Romuk-Wodoracki, ”Time surveys and analysis of the inbound transport of raw materials and products at a sawmill - a case study at Rörvik Timber Tvärskog AB”

2015 - Axel Bengtsson & Jacob Gabrielsson, “Chipping of bundled tree-parts from early thinnings”

2014 - Jansson Sara & Vesterlund Frida, “Effects of “Rätt Metod Slutavverkning” and ground conditions on quantity of the harvested slash volume”

2013 - Alexander Andersson & Joel Widman, ” New machine concept for future biomass harvest in conflict stands – a system analysis”

2013 – Marika Lundin, “Productivity and cost of harvesting and transportation of forest fuel from early thinnings”

2013 - Simon Viklund & Johan Hofmann, “Models for estimating the vertical distribution of the biomass on small diameter trees in early thinnings”

2012 - Gustav Karlefors & Johan Viklund, “Identification of conflict stands by means of laser scanning”

2012 - Adam Burström & Kristoffer Johansson, “Logging costs in thinning with multi-tree handling harvester head, from stand to industry”

Publikationer i urval

Peer-reviewed, 39 since 2007:

1.     Örjan Grönlund, Fulvio Di Fulvio, Dan Bergström, Line Djupström, Lars Eliasson, Emanuel Erlandsson, Nicklas Forsell & Anu Korosuo (2018): Mapping of voluntary setaside forests intended for nature conservation management in Sweden, Scandinavian Journal of Forest Research, DOI: 10.1080/02827581.2018.1555279

2.     Bergström D, Di Fulvio F. (2018) Review of efficiencies in comminuting forest fuels, International Journal of Forest Engineering, DOI: 10.1080/14942119.2019.1550314

3.     Fridh L., Eliasson L., Bergström D. (2018). Precision and accuracy in moisture content determination of wood fuel chips using a handheld electric capacitance moisture meter. Silva Fennica vol. 52 no. 5 article id 6993. https://doi.org/10.14214/sf.6993

4.     De la Fuente, T., Bergström, D., Gonzalez-García, S. & Larsson, S.H. (2018). Life cycle assessment of decentralized mobile production systems for pelletizing logging residues under Nordic conditions. Journal of Cleaner Production, 201: 830-841.

5.     Raul Fernandez-Lacruz & Dan Bergström (2017): Windrowing and fuel chip quality of residual forest biomasses in northern Sweden, International Journal of Forest Engineering, DOI: 10.1080/14942119.2017.1338391

6.     Ahnlund Ulvcrona, K., Bergström, D. & Bergsten, U. 2017. Stand structure after thinning in 1–2 m wide corridors in young dense stands. Silva Fennica, 51(3), id 1563.

7.     Nuutinen, Y., Petty, A., Bergström, D., Rytkönen, M., Di Fulvio, F., Tiihonen, I., Lauren, A. & Dahlin, B. (2016). Quality and productivity in comminution of small-diameter tree bundles. International Journal of Forest Engineering Vol. 0 , Iss. 0,0 

8.     Joelsson, J., Di Fulvio, F., De La Fuente, T., Bergström, D., & Athanassiadis, D. 2016. Integrated supply of stemwood and residual biomass to forest-based biorefineries. International Journal of Forest Engineering, 27(2): 115-138.

9.     Jylhä, P. & Bergström, D. 2016. Productivity of harvesting dense birch stands for bioenergy. Biomass and Bioenergy 88:142-151.

10.  Raul Fernandez-Lacruz & Dan Bergström (2016) Assessment of high frequency technologies for determining the moisture content of comminuted solid wood fuels, Wood Material Science & Engineering, 11:1, 13-24, DOI: 10.1080/17480272.2014.934281 [online 2014].

11.  Bergström, D., Di Fulvio, F. & Nuutinen, Y. 2016. Effect of Forest Structure on Operational Efficiency of a Bundle-Harvester System in Early Thinnings. Croat. j. for. eng. 37(1): 37-49.

12.  Berg S. K., Nordfjell T., Bergström D. 2015. Effect of stump size and timing of stump harvesting on ground disturbance and root breakage diameter. Silva Fennica vol. 49 no. 5 article id 1312. http://dx.doi.org/10.14214/sf.1312

13.  Fernandez-Lacruz R., Di Fulvio F., Athanassiadis D., Bergström D., Nordfjell T. 2015. Distribution, characteristics and potential of biomass-dense thinning forests in Sweden. Silva Fennica vol. 49 no. 5 article id 1377. 17 p.

14.  Kons, K., Bergström, D. & Di Fulvio, F. 2015. Effects of sieve size and assortment on wood fuel quality during chipping operations. International Journal of Forest Engineering. DOI:10.1080/14942119.2015.1069173

15.  Di Fulvio, F., Eriksson, G. & Bergström, D. 2015. Effects of Wood Properties and Chipping Length on the Operational Efficiency of a 30 kW Electric Disc Chipper. Croatian Journal of Forest Engineering, 36(1): 85-100.

16.  Karlsson, L., Nyström, K., Bergström, D. & Bergsten, U. 2015. Development of Scots pine stands after first biomass thinning with implications on management profitability over rotation. Scandinavian Journal of Forest Research, DOI: 10.1080/02827581.2015.1023351

17.  Kons, K., Bergström, D., Eriksson, U., Athanassiadis, D. & Nordfjell, T. 2014. Characteristics of Swedish forest biomass terminals for energy. International Journal of Forest Engineering, 25:3, 238-246

18.  Bergström, D. & Di Fulvio, D. 2014. Comparison of the cost and energy efficiencies of present and future biomass supply systems for young dense forests. Scandinavian Journal of Forest Research, DOI:10.1080/02827581.2014.976590

19.  Spinelli, R., Magagnotti, N., Di Fulvio, F., Bergström, D., Danelon, M. & Alberti, G. 2014. Comparison of Cost Efficiency of Mechanized Fuel Wood Thinning Systems for Hardwood Plantations on Farmland. Croatian Journal of Forest Engineering, 35(2): 111-123.

20.  Berg, S., Bergström, D. & Nordfjell, T. 2014. Simulation of conventional and integrated stump wood and round wood harvesting systems and comparison of their productivity and cost. International Journal of Forest Engineering, DOI:10.1080/14942119.2014.941640

21.  Bergström, D. & Di Fulvio, F. 2014. Studies on the use of a novel prototype harvester head in early fuel wood thinnings. International Journal of Forest Engineering, DOI:10.1080/14942119.2014.945697.

22.  Eriksson, G., Bergström, D. & Nordfjell, T. 2013. State of the art in woody biomass comminution and sorting in Northern Europe. International Journal of Forest Engineering, 24(3): 194-215.DOI:10.1080/14942119.2013.852391.

23.  Di Fulvio, F. & Bergström, D. 2013. Analyses of a single-machine system for harvesting pulpwood and/or energy-wood in early thinnings. International Journal of Forest Engineering, 24(1): 2-15.

24.  Jundén, L., Bergström, D., Servin, M. & Bergsten, U. 2013. Simulation of boom-corridor thinning using a double-crane system and different levels of automation. International Journal of Forest Engineering, 24(1): 16-23.

25.  Fernandez-Lacruz, R., Di Fulvio, F., Bergström, D. 2013. Productivity and profitability of harvesting power line corridors for bioenergy. Silva Fennica, 47 no. 1 article id 904. 23 p.

26.  Berg, S., Bergström, D., Athanassiadis, D. & Nordfjell, T. 2012. Torque required to twist and cut loose Scots pine stumps. Scandinavian Journal of Forest Research, 27(8): 724-733.

27.  Di Fulvio, F., Bergström, D., Kons, K. & Nordfjell, T. 2012. Productivity and profitability of forest machines in the harvesting of normal and overgrown willow plantations. Croatian Journal of Forest Engineering, 33(1):25-37.

28.  Eriksson, G., Athanassiadis, D., Bergström, D., Nordfjell, T. & Bergsten, U. 2012. Production Costs and Markets for Pellet Chips: Case Studies in Northern Sweden. International Journal of Forestry Research, Article ID 302014, 12 pages, doi:10.1155/2012/302014.

29.  Sängstuvall, L., Bergström, D., Lämås, T. & Nordfjell, T. 2012. Simulation of harvester productivity in selective and boom-corridor thinning of young forests. Scandinavian Journal of Forest Research, 27(1): 56-73.

30.  Bergström, D., Bergsten, U., Hörnlund, T. & Nordfjell, T. 2012. Continuous felling of small diameter trees in boom-corridors with a prototype felling head. Scandinavian Journal of Forest Research, 27(5): 474-480.

31.  Eriksson, G. L., Boman, C., Bergsten, U. & Bergström, D. 2011. Fuel characterization of pellet chips. Forest Products Journal 61(2): 143-148.

32.  Bergström, D., Finell, M. & Gref, R. 2011. Effects of extractives on the physical characteristics of Scots pine sawdust fuel pellets. Forest Products Journal 60(7/8): 640-644.

33.  Di Fulvio, F., Kroon, A., Bergström, D. & Nordfjell, T. 2011. Comparison of energy wood and pulpwood harvesting systems in young birch stands. Scandinavian Journal of Forest Research, 26(4): 339-349.

34.  Ringdahl, O., Lindroos, O., Hellström, T., Bergström, D., Athanassiadis, D. & Nordfjell, T. 2011. Path tracking in forest terrain by an autonomous forwarder. Scandinavian Journal of Forest Research, 26(4): 350-359.

35.  Bergström, D., Bergsten, U. & Nordfjell, T. 2010. Comparison of boom-corridor thinning and thinning from below harvesting methods in young dense Scots pine stands. Silva Fennica 44(4): 669-679.

36.  Bergström, D., Nordfjell, T. & Bergsten, U. 2010. Compression processing and load compression of young Scots pine and birch trees in thinnings for bioenergy. International Journal of Forest Engineering 21(1): 31-39.

37.  Lindroos, O., Bergström, D., Johansson, P. & Nordfjell, T. 2008. Cutting corners with a new crane concept. International Journal of Forest Engineering 19(2): 21-28.

38.  Bergström, D., Israelsson, S., Öhman, M., Dahlqvist, S-A., Gref, R., Boman, C. & Wästerlund, I. 2008. Effects of raw material particle size distribution on the characteristics of Scots pine sawdust fuel pellets. Fuel Processing Technology 89: 1324-1329.

39.  Bergström, D., Bergsten, U., Nordfjell, T. & Lundmark, T. 2007. Simulation of geometric thinning systems and their time requirements for young forests. Silva Fennica 41(1): 137-147.

Doctoral Thesis

1.     Bergström, D. 2009. Techniques and systems for boom-corridor thinning in young dense forests. Doctoral thesis, Acta Universitatis Agriculturae Sueciae 2009: 87. ISSN 1652-6880. ISBN 978-91-576-7343-0.

Non peer-reviewed publications with international coverage

2.     Asikainen, A., Routa, J., Laitila, J., Riala, M., Prinz, R., Stampfer, K., Holzleitner, F., Kanzian, C., Erber, G., Dees, M., Spinelli, R., Tuomasjukka, D., Athanassiadis, D., Bergström, Rodriguez, J. 2015.Innovative, effective and sustainable technology and logistics for forest residual biomass - Summary of the INFRES project results. VTT-M-03711-15.

3.     Bergström, D. & Matisons, M. 2014. Forest Refine 2012-2014 – Efficient forest biomass supply chain management for biorefineries. Synthesis report. Swedish University of Agricultural Sciences, Department of Forest Biomaterials and Technology, Work report nr. 18.

4.     Spinelli, R., Di Fulvio, F. & Bergström, D. 2014. Harwarders for thinning hardwood plantations in Italy INFRES project, Demo report: 5. www.infres.eu.

5.     Bergström, D. & Di Fulvio, F. 2014. Studies and demonstration on the use of a novel prototype harvester head in early fuel wood thinnings. INFRES project, Demo report: 7. www.infres.eu.

Work reports in swedish

6.     Ahnlund Ulvcrona, K., Bergström, D. & Bergsten, U. 2015. Effekter av krankorridorgallring (KKG) på beståndets kvalitet och fortsatta utveckling- Rapport efter utläggning av försöksytor. Sveriges lantbruksuniversitet, Institutionen för Skogens Biomaterial och Teknologi, Arbetsrapport 29.

7.     Grönlund Ö., Bergström D., Iwarsson Wide M. och Eliasson L. 2015. Flowcut aggregat för klenträd – ett första test, Skogforsk.se nr 145-2015.

8.     Bergström, D., Fernandez-Lacruz, R., Forsman, M., Lundbäck, J., Nilsson, Å. & Bredberg, C. 2014. Skog, Klimat och Miljö – ett projekt i Norr- och Västerbotten 2012-2014. Slutrapport. [www.skogklimatmiljo.se]

9.     Bergström, D. 2014. Utveckling av skogsbränslen i Mittregionen. [Depevopment of forest fuels in the mid-Sweden region]. Energidalen, Syntesrapport. www.energidalen.com.

10.  Di Fulvio, F., Bergström, D. & Nordfjell, T. 2011. Skörd av skogsbränsle och/eller massaved i förstagallringar, vägkanter och på igenväxt åkermark. [Harvesting of fuel wood and/or pulpwood from early thinnings, road sides and marginal lands]. Institutionen för skoglig resurshushållning. SLU, Institutionen för skoglig resurshushållning, Arbetsrapport 343. SLU-SRG-AR-343_SE.

11.  Bergström, D., Di Fulvio, F., Kons, K. & Nordfjell, T. 2011. Skörd av övergrov salix med skogsbrukets maskiner [Harvesting of overgrown willow plantations with forest machines]. Sveriges lantbruksuniversitet, Institutionen för skoglig resurshushållning, Umeå. Arbetsrapport 334.

12.  Bergström, D., Ulvcrona, T., Nordfjell, T., Egnell, G. & Lundmark, T. 2010. Skörd av skogsbränsle i förstagallringar. [Harvesting of fuel wood from early thinnings].Sveriges lantbruksuniversitet, Institutionen för skoglig resurshushållning, Umeå. Arbetsrapport 281.

13.  Bergström D. 2005. Pelletsizing of pine sawdust - a basic study. BSc thesis, Swedish University of Agricultural sciences, Students reports no. 80.

Conference proceedings

14.  Westerlund L., Bergström D. 2018. Calibration of a handheld capacitance-based moisture meter for forest fuel supply management. In proceedings: FORMEC 2018 – Improved Forest Mechanisation: mobilizing natural resources and preventing wildfires, September 25th -27th, 2018. Madrid, Spain, pp 374-385.

15.  Bergström, D. & Di Fulvio, F. 2012. Analyses of biomass supply chain cost- and energy efficiency for early thinnings in Fennoscandia. In: Abstracts, The Nordic Baltic conference on forest operations – OSCAR 2012, October 24–26, 2012, Riga, Latvia.

16.  Di Fulvio, F. & Bergström, D. 2012. Analyses of a multifunctional one-machine harvesting system in early thinnings for pulpwood and energy-wood: Abstracts, The Nordic Baltic conference on forest operations – OSCAR 2012, October 24–26, 2012, Riga, Latvia.

17.  Di Fulvio, F., Bergström, D. & Nordfjell, T. 2011. Profitability of harvesting energy-wood or pulpwood in early thinnings. In: Proceedings, Nordic Bioenergy 2011, pp 154-156. FINBIO publication 51. ISBN 978-952-5135-51-0.

18.  Bergström, D. Nordfjell, T. & Bergsten, U. 2011. Development of efficient harvesting techniques for young bioenergy-thinnings. In: Proceedings, Nordic Bioenergy 2011, pp 173. FINBIO publication 51. ISBN 978-952-5135-51-0.

19.  Berg, S., Athanassiadis, D., Bergström. D. & Nordfjell. T. 2011. Simulation of present and future stump harvesting systems’ work time consumption and analyses of their supply chain productivities and costs. Tree-Stumps for Bioenergy. In: Programme book, Harvesting Techniques and Environmental Consequences – Tree stumps for bioenergy Symposium, Uppsala, 24-26 Oct 2011.

20.  Di Fulvio, F., Bergström, D. & Nordfjell, T. 2011.Energy-wood Thinning as an Alternative to Pulpwood in Young Birch Stands. In: Proceedings, 19th European Biomass Conference and Exhibition, Berlin, Germany, 6-10 June 2011.

21.  Di Fulvio, F., Bergström, D., Kons, K. & Nordfjell, T. 2011. Productivity and Costs of Forest Machine Systems in the Harvesting of Over-Grown Willow Plantations. In: Proceedings, 19th European Biomass Conference and Exhibition, Berlin, Germany, 6-10 June 2011.

22.  Sängstuvall, L., Bergström, D., Lämås, T. & Nordfjell, T. 2011. Simulating Harvester Productivity in Forest Fuel Thinning. 14th Symposium for Systems Analysis in Forest Resources, SSAFR, Maitencillo, 8 - 11 mars.

23.  Bergström, D. & Di Fulvio, F. 2010. Harvesting for energy or pulpwood in early thinnings? In: Proceedings, World Bioenergy 2010, Jönköping, Sweden. ISBN 978-91-977624-0-3.

24.  Servin, M., Backman, K., Bodin, K., Bergsten, U., Bergström, D., Löfgren, B., Nordfjell, T. & Wästerlund, I. 2008. Visual Simulation of Machine Concepts for Forest Biomass Harvesting. In Proceedings, VRIC 2008 – 10th International Conference on Virtual Reality (Laval Virtual), Laval, 080409-080413.

 


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