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Session 1.4 16. Comparison of working techniques in a virtual harvester simulator environment........................25 Heikki Ovaskainen 1 *, Lasse Tikkanen 1 & Teijo Palander 1 17. Methods for the study of human-machine interaction in forest machines.......................................26 Martin Englund 1* 18. Forest operations - from doing to thinking ..........................................................................................27 Carola Häggström 19. Developing professional entrepreneur-ship in wood procurement process .....................................29 Arto Kariniemi 1 , Arja Ala-Laurinaho 2 and Marika Schaupp 2 Session 1.5 20. Great potential in corridor thinning of young stands for harvest of biofuel....................................31 Niklas Fogdestam 1 *, Isabelle Bergkvistl 1 21. Assessment of environmental impacts of removal of harvesting residues in Estonian conditions......................................................................................................................................................32 Allar Padari, Risto Mitt, Linnar Pärn, Peeter Muiste 1 * 22. Portable tools and new methods to predict trafficability of forest roads..........................................34 Tomi Kaakkurivaara* & Jori Uusitalo 23. Harvesting Stumps for Energy in Finland ...........................................................................................35 Kalle Kärhä Session 2.1 24. Scrutinizing the wood supply chain – reporting from work in progress ..........................................37 Karin Westlund¹*, Anna Furness-Lindén² 25. Modelling the Influence of Machinery Operators and Timber Harvesting Environment on Productivity and Fuel Consumption .........................................................................................................38 Teijo Palander * , Heikki Ovaskainen & Lasse Tikkanen 26. Time consumption during forwarding based on the number of assortment in a load....................40 Jussi Manner*, Ola Lindroos & Tomas Nordfjell 27. An extraction trail generator using LIDAR data and tabu search ...................................................41 Nils Egil Søvde 1 , Arne Løkketangen 2 Session 2.2 28. Planning harvest activities and forest road investments.....................................................................42 Mikael Frisk 1 *, Mikael Rönnqvist 1, 2 & Patrik Flisberg 1 29. Assessment of Västerbotten case study with the aid of the ToSIA Decision Support Tool. ...........43 Staffan Berg 1*, Erik Valinger 2 & Diana Vötter 3 30. Wood harvesting and logistics in Russia – Nordic business possibilities..........................................44 Yuri Gerasimov 1 *, Vladimir Syunev 2 , Anton Sokolov 2 & Timo Karjalainen 1 31. Testing of revolutionary round wood haulage rig in Sweden ............................................................47 Claes Löfroth 1 , Gunnar Svenson 1 , Lennart Rådström 1 , 1 iii
Session 2.3 32. Impact of Extraction Conditions on Costs of Forwarders in Final Felling......................................49 Janis Gercans 1 *, Maris Neicinieks 2 , Agris Zimelis 2 , Janis Liepins 2 33. Evaluation of different approaches of mechanized biomass harvesting in grey alder (Alnus incana (L.) Moench) stands ........................................................................................................................51 Andis Lazdiņš 1 *, Dagnija Lazdiņa 1 , Valentīns Lazdāns 1 34. Estimating Potentials of Solid Wood-based Fuels in Finland in 2020...............................................53 Kalle Kärhä 1 , Juha Elo 2 , Perttu Lahtinen 2 , Tapio Räsänen 1 & Heikki Pajuoja 1 35. Productivity of single grip harvesters in the northern European part of Russia ............................55 Yuri Gerasimov 1 *, Victor Senkin 2 & Kari Väätäinen 1 , 36. Analysis of large-size and medium-size wood supply..........................................................................57 Waldemar Sieniawski & Grzegorz Trzciński 37. Felling heads vs Harvester heads in biomass harvesting from early thinning.................................59 Helmer Belbo 1 *, Maria Iwarsson Wide 2 , 38. Integrated small-sized wood harvesting from young stands ..............................................................60 Aaron Petty 1* , Kalle Kärhä 1 , Arto Mutikainen 2 , Maria Iwarsson-Wide 3 Session 2.4 39. Combining adapted dump trucks and reduced road standards in lowering the cost threshold for accessing timber in Western Norway........................................................................................................61 Bruce Talbot 1 , Helmer Belbo 1 , Pierre Ackerman 2 40. The drying of wood chips with surplus heat in Norway .....................................................................63 Eirik Nordhagen 41. Financial situation for Finnish and Swedish contractors ...................................................................64 Arto Rummukainen 1 , Bo Dahlin 2 * & Markku Penttinen 1 64 42. Extracting and chipping hardwood crowns for energy ......................................................................66 Kjell Suadicani 1 * and Bruce Talbot 2 43. Energy consumption by energy wood supply.......................................................................................68 Anders Møyner Eid Hohle 44. Comparative shelter-wood harvesting in Poland ................................................................................69 Marcin Gołębiowski a,* & Adam Sikora b 45. Effect of Bogie Track and Slash Reinforcement on Sinkage and Soil Compaction in Soft Terrains in Russia........................................................................................................................................................71 Yuri Gerasimov 1* & Vasily Katarov 2 Session 3.1 46. Neck muscle activity patterns among Norwegian machine operators in different brands of forest harvesters......................................................................................................................................................73 Tove Østensvik, PhD, Physiotherapist 1 *, Petter Nilsen 1 PhD., Kaj Bo Veiersted 2 , Physician PhD. 47. Boom automation.....................................................................................................................................75 Löfgren Björn 48. Cost-effectiveness of the mechanized seeding for reforestation of Scots pine in Latvian conditions......................................................................................................................................................76 Kaspars Liepiņš 1 *, Lazdiņa Dagnija 1 & Lazdiņš Andis 1 iv
Page 1 and 2: Rapport 12/2010 fra Skog og landska
Page 3 and 4: FOREWORD In attracting such a large
Page 5: TABLE OF CONTENTS Keynote 1. Forest
Page 9 and 10: 1. FOREST OPERATIONS RESEARCH IN TH
Page 11 and 12: 2. SIMULATING THE EFFECT OF STRIP R
Page 13 and 14: 3. A LOW-INVESTMENT FULLY MECHANIZE
Page 15 and 16: 4. EFFICIENCY AND ERGONOMIC ADVANTA
Page 17 and 18: 6. COST-EFFICIENCY OF A SYSTEM WITH
Page 19 and 20: 7. ADAPTIVE TREE BUCKING SYSTEM USI
Page 21 and 22: 9. THE COST-EFFICIENCY OF SEEDLING
Page 23 and 24: 10. THE EFFECT OF WOOD PROCESSING C
Page 25 and 26: 12. STUMP EXTRACTION WITH A STUMP D
Page 27 and 28: 13. HARVESTING POTENTIAL OF FOREST
Page 29 and 30: 14. THE IMPACT OF TIMBER HAULAGE ON
Page 31 and 32: 15. STUMP LIFTING PRODUCTIVITY WITH
Page 33 and 34: 16. COMPARISON OF WORKING TECHNIQUE
Page 35 and 36: 18. FOREST OPERATIONS - FROM DOING
Page 37 and 38: 19. DEVELOPING PROFESSIONAL ENTREPR
Page 39 and 40: 20. GREAT POTENTIAL IN CORRIDOR THI
Page 41 and 42: spruce, 12,61 - 17,42 % for birch,
Page 43 and 44: 23. HARVESTING STUMPS FOR ENERGY IN
Page 45 and 46: 24. SCRUTINIZING THE WOOD SUPPLY CH
Page 47 and 48: Table 1. Results of a principal-com
Page 49 and 50: 27. AN EXTRACTION TRAIL GENERATOR U
Page 51 and 52: 29. ASSESSMENT OF VÄSTERBOTTEN CAS
Page 53 and 54: • Cost calculation method • Met
Page 55 and 56: 31. TESTING OF REVOLUTIONARY ROUND
Page 57 and 58:
32. IMPACT OF EXTRACTION CONDITIONS
Page 59 and 60:
33. EVALUATION OF DIFFERENT APPROAC
Page 61 and 62:
34. ESTIMATING POTENTIALS OF SOLID
Page 63 and 64:
35. PRODUCTIVITY OF SINGLE GRIP HAR
Page 65 and 66:
36. ANALYSIS OF LARGE-SIZE AND MEDI
Page 67 and 68:
37. FELLING HEADS VS HARVESTER HEAD
Page 69 and 70:
39. COMBINING ADAPTED DUMP TRUCKS A
Page 71 and 72:
40. THE DRYING OF WOOD CHIPS WITH S
Page 73 and 74:
Figure 2. Development of profitabil
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Table 1. Total economic output from
Page 77 and 78:
44. COMPARATIVE SHELTER-WOOD HARVES
Page 79 and 80:
45. EFFECT OF BOGIE TRACK AND SLASH
Page 81 and 82:
46. NECK MUSCLE ACTIVITY PATTERNS A
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47. BOOM AUTOMATION Löfgren Björn
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Keywords: Mechanized seeding, cost-
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from the time studies shows that th
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52. PRODUCTIVITY OF HARVESTERS AND
Page 91 and 92:
53. PRODUCTIVITY AND COSTS OF WHOLE
Page 93 and 94:
54. A PROCESS-PERSPECTIVE ON TIMBER
Page 95 and 96:
56. SIMULATION OF SKYLINE SYSTEMS I
Page 97 and 98:
57. VOLUME AND COST CALCULATOR FOR
Page 99:
onwards did ground reinforcement wi
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