Dr. John Sessions

University Distinguished Professor of Forestry and

Faye and Lucille Stewart Professor of Forest Engineering

Oregon State University

email: john.sessions@oregonstate.edu

Updated  12-January, 2007

 

 

DEGREES

PhD, Forest Management, Oregon State University, 1979

MS, Forest Engineering, University of Washington, 1971

MS, Civil Engineering, California State University, 1968

BS, Civil Engineering, University of California, 1966

TEACHING EXPERIENCE

Oregon State University, 1983-present, resource scheduling, transportation planning, harvest planning, logging mechanics

Oregon State University, Forest Engineering Institute, 1975-1978, transportation planning, engineering economics, logging mechanics

RESEARCH EXPERIENCE

Oregon State University, 1983-present

Pacific Northwest Forest and Range Experiment Station, forest engineering, 1970-1971

INDUSTRIAL EXPERIENCE

  • Harvesting Division Manager, JARI Florestal, Brazil 1981-1983
  • Systems Analyst, JARI Florestal, Brazil 1980

GOVERNMENT EXPERIENCE

  • Staff Economist, Division of Timber Management, Wash. D.C., USDA Forest Service, 1979- 1980
  • Harvesting Specialist and Director of Logging System Training, USDA Forest Service, 1974- 1978
  • Director of Transportation Planning, Rocky Mountain Region, USDA Forest Service, 1973

INTERNATIONAL CONSULTANT

  • South and Central America: Colombia, 2005, 1995; Argentina, 2006, 2005, 1998, 1996; Brazil, 1996, 1989, 1980-83; Chile, 1995, 1994, 1992, 1990; Costa Rica, 1984; Jamaica, 1972-73
  • Africa: South Africa, 2003, 2002, 1998, 1993, 1991; Zimbabwe, 1986
  • Europe: Rome, Italy (FAO), 1985.
  • Asia: Russia (Far East), 1996; Malaysia, 1996, 1995; Bhutan, 1973
  • North America: Labrador, 1975, Newfoundland, 1975, British Columbia, 2004

FIELD OF SPECIALIZATION

Transportation Planning, Harvest Scheduling, Forest Economics

PROFESSIONAL SOCIETIES

  • Society of American Foresters
  • Society of Tropical Foresters
  • Forest Products Research Society
  • Council on Forest Engineering
  • Sigma Xi
  • Xi Sigma Pi
  • Phi Kappa Phi (University Chapter President 1992-1993)

REGISTERED PROFESSIONAL ENGINEER

  • Registered Civil Engineer, Washington, No. 12063
  • Registered Civil Engineer, Colorado, No. 10831

PROFESSIONAL RECOGNITION

  • 2006 Recognition for Outstanding Service, Oregon Department of Forestry
  • 2006 Member, Interagency Science Team -  National Fire Program Analysis Review
  • 2006 Invited Professor, Northeast Forestry University, Harbin, China
  • 2006 Invited Keynote Speaker, 29th Annual Meeting of Council on Forest Engineering
  • 2006 Invited Keynote Speaker, 9th Annual Meeting of National Forest Coalition of Counties and Schools, Reno
  • 2006 Invited Participant,  BLM Western Oregon Plan Revision Process
  • 2005, 1994, 1993, 1989, 1986  Aufderheide Award for Outstanding Teaching, Oregon State University, College of Forestry
  • 2005 Invited Speaker, National Meeting, Association of Consulting Foresters
  • 2004, 2001, 1993, 1990  Dean's Award for Outstanding Achievement
  • 2004 Keynote Speaker, O&C Counties Annual Meeting
  • 2004 Invited Participant, Klamath Country Institute for Journalism and Natural Resources
  • 2004 Invited Testimony, Subcommittee on Forests and Forest Health hearing on Restoration after Catastrophic Events, Washington, DC.
  • 2004 Invited Speaker, Oregon Society of Certified Public Accountants, Eugene
  • 2004 Invited Speaker, Siskiyou Wildlands Project, Southern Oregon University
  • 2004 Invited Speaker, Annual Meeting of Western Forest Economists, Wemme
  • 2004 Invited Speaker, Annual Meeting of National Forest Counties, Reno
  • 2004 Invited Speaker, Portland State University, Executive Training,, Medford
  • 2004 Invited Speaker, National Public Radio, Annenberg Policy Center, Philadelphia
  • 2004 Invited Speaker, Cascadia Wildlands Project, Oregon Natural Resources Council Audubon Society, Harris Hall, Eugene, Oregon.
  • 2003 Keynote Speaker, O & C Counties Annual Meeting
  • 2003 Invited Speaker, Pacific Logging Congress
  • 2003 Invited Speaker, Southern Oregon Timber Industry Association Annual Meeting
  • 2003 Invited Author for Harvesting in the Tropics, Springer-Verlag Publishers
  • 2003 Invited Author for Roads in the Tropics, Springer-Verlag Publishers
  • 2003 Invited Author for Roading and Transport Operations, Encyclopedia of Forest Science, Elsevier Science
  • 2003 Invited Speaker and Panelist, Pacific Logging Congress
  • 2003 Invited Testimony for Healthy Forests Initiative, Bend, OR, Field Hearings
  • 2003 Member, National Panel Convened by Department of Interior to Review Monitoring Guidance for the Healthy Forest Initiative (HFI) Categorical Exclusions under NEPA 
  • 2002 Invited Lecturer, Winter 2002 Environmental Studies Lecture Series, University of Oregon.
  • 2001-3 Member, Washington DNR Technical Committee, 2001/2003 for Sustainable Harvest Calculation
  • 2001-3 Co-Chair, National Indian Forest Management Assessment Team (IFMAT II)
  • 2001. Appointed Faye and Lucille Stewart Professor of Forest Engineering
  • 2000. Member, Strategic Planning Team, College of Forestry. Oregon State University
  • 2000. Member, Advisory Team, 2000/2001 Forestry Program Funding and Position Analysis. Bureau of Indian Affairs, US Dept of Interior.
  • 2000. Lecturer, Yale Forest Forum Series on Current Issues in Commercial Forestry, School of Forestry and Environmental Studies, Yale University.
  • 1999-2006. Invited participant in ODF Forest Planning Process.
  • 1999, Appointed University Distinguished Professor of Forestry, Oregon State University
  • 1998, Technical Advisor, Integrated Assessment of Willamette Watershed Alternative Futures, University of Oregon.
  • 1998, 1999, Technical Reviewer for USDA Small Business Innovation Research (SBIR).
  • 1998. Lecturer. F.K. Weyerhaeuser Lecture Series on Current Issues in Commercial Forestry, School of Forestry and Environment Studies, Yale University.
  • 1996-Present, Technical Reviewer for Consortium of Plant Biotechnology Research (CPBR)
  • 1996-2000, Marcus Wallenberg Prize International Selection Committee
  • 1996, Associate Editor for Forest Engineering, Forest Science
  • 1996-Present, External Assessor, Faculty of Forestry, University of Agriculture, Malaysia
  • 1995, Top Prof Teaching Recognition Award, Oregon State University
  • 1995-1996, Chair, State Scientific Panel to Evaluate O&C Lands Transfer
  • 1995-Present, Member, Umpqua River Basin Exchange Pilot Project
  • 1994-95, Member, Coquille Forest Scientific Advisory Team
  • 1994-1998, Member, Coastal Landscape Analysis and Modeling Study (CLAMS) Team
  • 1994-1996, Member, IFMAT Implementation Team
  • 1994-Present, Forest Science Editorial Board, Finland
  • 1994-1996, Member, Boise Cascade Science Advisory Team
  • 1993-1995, Member, Sierra Nevada Ecosystem Science Team
  • 1993-1994, Member, Washington State Landscape Management Project
  • 1992-Present, Logging Engineering Examiner for State of Oregon
  • 1992-1993, Vice-Chair, National Indian Forest Management Assessment Team (IFMAT)
  • 1991, Member, Forest Engineering Program Review Team, University of British Columbia
  • 1990-1995, Chairman, Forest Operations in Mountainous Terrain S3.06, International Union of Forestry Research Organizations (IUFRO)
  • 1989-Present, Adjunct Professor, Department of Forest Resources, Oregon State University
  • 1988-1990, 1996-2006, Deputy, Forest Operations in Mountainous Terrain S3.06 International Union of Forestry Research Organizations (IUFRO)
  • 1986-1988, Chair, Mountain Logging Working Group S3.06-02 International Union of Forestry Research Organizations (IUFRO)
  • 1985-1988, Secretary, Systems Analysis Working Group, Society of American Foresters, Certificate of Merit, Most Improved Working Group (1986) 
  • 1985-1996, Associate Editor, Western Journal of Applied Forestry, Society of American Foresters
  • 1980, Superior Service Award for Analysis of Alternative National Timber Harvest Programs, USDA Forest Service

 

Publications in Refereed Journals:

 

Ghaffarian, M. R., K. Stampfer and J. Sessions. 2006. Study of optimum road spacing of forwarding operations in Austria. Croatian J. of Forest Engineering (in review).

 

Thompson, M., and J. Sessions. 2006. Aggregate Recycling, Road Removal, and Habitat Improvement. Environmental Management. (in review)

 

Akay, A., J. Sessions and K. Aruga. 2006. Designing a forwarder operation considering tolerable soil disturbance and minimum total cost.  Journal of Terramechanics (in press).

 

Graetz, D., J. Sessions, and S. Garman. 2006. Using stand-level optimization to reduce crown fire hazard.  Journal of Landscape and Urban Planning. (in press).

 

Wing, M. and J. Sessions. 2006. Geospatial technology instruction.  J. of Forestry (in review).

 

Thompson, M., H. Stander, and J. Sessions. 2006. GuyLinePC:  An Interactive Guyline Tension Analysis Program for Guyed Logging Towers. West. J. of Applied Forestry (in review).

 

Boston, K. and J. Sessions. 2006. Development of a spatial harvest scheduling system to promote the conservation between indigenous and exotic forests. International Forestry Review 8(3):297-305.

 

Newton, M., S. Fitzgerald, R. Rose, P. Adams, S. Tesch, J. Sessions, T. Atzet, R. Powers, and C. Skinner. 2006. Technical Comment on “Post-Wildfire Logging Hinders Regeneration and Increases Fire Risk”, Science 313: 615a.

 

Akay, A., J. Sessions, P. Bettinger, R. Toupin, and A. Eklund. 2006. Evaluating the Salvage Value of Fire-killed Timber by Helicopter – Effects of Time Since Fire and Yarding Distance, Western Journal of Applied Forestry 21(2) 102-107.

Coulter, E., J. Coakley, and J. Sessions. 2006. The Analytic Hierarchy Process: A Tutorial for Use in Prioritizing Forest Road Investments to Minimize Environmental Effects. International Journal of Forest Engineering 17(2):51-70.

Coulter, E., W. Chung, K. Mills, R. Nall, J. Sessions, and G. Zartman. 2006.  Transportation planning to determine low volume road standards, long term needs, and environmental risks and tradeoffs.  9th International Low Volume Roads Conference, Transportation Research Board (abstract accepted, in review).

 

Epstein, R., A. Weintraub, J.B. Sessions, J. Sessions, P. Sapunar, E. Neto, F. Bustamante, and H. Musante. 2006. A combinatorial heuristic approach for solving real size machinery location and road design problems in forestry planning. Operations Research 54(6):1017-1027.

 

Aruga, K., W. Chung, A. Akay, J. Sessions, and E. Miyata. 2006. Incorporating soil surface erosion prediction into forest road alignment optimization. 22 p., 11 tables, 11 fig. International J. of Forest Engineering. (accepted)

 

Sessions, J., K. Boston, R. Thoreson, and K. Mills. 2006. Optimal policies for managing rock resources on temporary forest roads.  Western Journal of Applied Forestry 21(4):207-216.

 

Aruga, K., J. Sessions, and E. Miyata. 2006. Forest road design with soil sediment evaluation using a high resolution DEM.  Journal of Forest Research 10(6):471-479. 

 

Sessions J. and K. Boston. 2006. Optimization of road spacing for log length shovel

logging on gentle terrain.  International Journal of Forest Engineering 17(1):67-75.

 

Coulter, E., J. Sessions, and M. Wing. 2006. Scheduling forest road maintenance using the

analytic hierarchy process and heuristics.  Silva Fennica 40(1):143-160.

 

Aruga, K., T. Tasaka, J. Sessions, and E. Miyata. 2006. Tabu search optimization of forest road alignments combined with shortest paths and cubic splines. Croatian Journal of Forest Engineering 27(1)37-47.

 

Akay, A., P. Bettinger, J. Sessions, and K. Aruga. 2005. Progress and Opportunities of Using Optimization Techniques in Designing Forest Roads and Road Networks, Submitted to Forest Science.

 

Sessions, J., K. Boston, R. Hill, and R. Stewart. 2005. Log sorting location decisions under

uncertainty. Forest Products Journal 55(12)53-57.

 

Aruga, K., J. Sessions, A. Akay, and W. Chung. 2005. Simultaneous optimization of horizontal and vertical alignments of forest roads using Tabu Search, Journal of Forest Engineering 16(2):137-151.

 

Akay, A., K. Boston, and J. Sessions. 2005. The evolution of computer-aided road design systems,  Journal of  Forest Engineering 16(2):73-79.

 

Akay, A. and J. Sessions. 2005. Applying the Decision Support System, TRACER, to Forest Road Design, Western Journal of Applied Forestry, 20 (3): 184-191.

 

Coulter, E., J. Coakley, and J. Sessions. 2005. Systems of User Feedback for Large Project Pools Uisng AHP: An Application to Setting Priorities for Road Maintenance. Submitted to Decision Sciences.

 

Coulter, E., A. Skaugset, J. Sessions, and E. Toman. 2005. A systems approach to the   management of existing forest road networks using the analytic hierarchy process. Submitted to Journal of Environmental Management.

 

Bettinger, P., D. Graetz, and J. Sessions. 2005. A density-dependent stand-level optimization approach for deriving management prescriptions for interior northwest (USA) landscapes.  Forest Ecology and Management 217:171-186

 

Aruga, K., J. Sessions, and A. Akay. 2005. Heuristic planning techniques applied to forest road profiles.  Japan Journal of Forest Research 10(2):83-92.

 

Aruga, K., J. Sessions, and A. Akay. 2005. Application of an airborne laser scanner to forest road design with accurate earthwork volumes.  Japan Journal of Forest Research 10(2):113-123.

 

Bettinger, P., M. Lennette, K. N. Johnson, T. Spies, A. Herstrom, J. Brooks, and J. Sessions. 2005. A landscape management and policy simulator for assessing ecological and socio-economic effects of forest management. Submitted to Ecological Applications.

 

Lennette, M., J. Sessions, J. D. Brodie, and P. Overhulser. 2004. The Elliott State Forest:

Spatial planning for biodiversity and economic goals. Submitted to Journal of Forestry.

 

Chung, W., J. Sessions, and H.R. Heinimann. 2004. An application of a heuristic network algorithm to cable logging layout design.  Journal of Forest Engineering 15(1): 11-24.

 

Akay, A., O. Erdas, and J. Sessions. 2004. Determining Productivity of Mechanized Harvesting Machines, Journal of Applied Sciences, 4 (1): 100-105.

 

Sessions, J., P. Bettinger, R. Buckman, M. Newton, and J. Hamann. 2004. Hastening the return of complex forests following fire: The consequences of delay. Journal of Forestry 102(3):38-45.

 

Chung, W. and J. Sessions. 2004. Uphill and downhill gradeability of log trucks with short log trailers.  Western Journal of Applied Forestry 19(2):88-94.

 

Bettinger, P., D. Graetz, A. Ager, and J. Sessions. 2004. The SAFED forest landscape planning model. Chapter 4. In Methods for Integrated Modeling of Landscape Change. Interior Northwest Landscape Analysis System (INLAS), J. Hayes, A. Ager, and R. J. Barbour (eds). Gen. Tech. Rep. PNW-GTR-610, USDA Forest Service, Pacific NW Research Sta., Portland, OR, p. 41-63.

 

Marshall, H., K. Boston, and J. Sessions. 2003. Harvest scheduling with aggregation constraints: A threshold acceptance approach.  In Proceedings:  Second Precision Forestry Conference. June 15-17, 2003. University of Washington, Seattle, Washington. 12 p.

 

Akay, A.E. and J. Sessions, 2003. Minimizing construction, maintenance, and transportation costs with computer-aided forest road design. Submitted to Silva Fennica.

 

Bettinger, P. and J. Sessions. 2003. Spatial planning: Support or avoid. Journal of Forestry 101(2)24-29.

 

Sessions, J. and W. Chung. 2002. Considerations in the design of single tree intermediate support systems for multiple span standing skylines. 11 p. 7 fig. Submitted to WJAF.

 

Cornell, J., J. Sessions, and J. J. Garland. 2002. Planning aerial forest management operations. Submitted to Western Journal of Applied Forestry.  20 pp.

 

Hobbs, S., T. Spies, and J. Sessions. 2002. Effects of vegetation management: Taking a landscape and multi-resource perspective. P. 240-242 In  H. Frochot, C. Collet, and P. Balandier (compilers). Popular Summaries from the Fourth International Conference on Forest Vegetation Management. Nancy, France. June 17-21. Institut National de la Recherche Agronomique, Champenoux, France.

 

Nalle, D., J. Arthur, C. Montgomery and J. Sessions. 2002. Economic and social impacts of an existing reserve network on future augmentation. Environmental Modeling and Assessment Vol(7):99-105.

 

Bettinger, P., D. Graetz, K. Boston, J. Sessions, and W. Chung. 2002. Eight heuristic planning techniques applied to three increasingly difficult wildlife planning problems. Silva Fennica 36(2):561-584.

 

Nalle, D., J. Arthur, and J. Sessions. 2002. Designing compact and contiguous reserve networks using a hybrid heuristic algorithm. Forest Science 48(1)59-68.

 

Sessions, J., D. Vesely, and W. McComb. 2001. Assessing trends in fish and wildlife habitat in the Umpqua Basin under the President's Northwest Forest Plan: an example using Roosevelt Elk. Submitted to the Wildlife Bulletin.

 

Sessions, J. and W. Chung. 2001. Skidding forces for grapple skidders. Submitted to Forest Products Journal. 6 p. 2 fig.

 

Bettinger, P., J. Sessions, Tom Spies, K. Johnson, J. Brooks, and A. Herstrom. 2000. A landscape simulation model for coastal Oregon landscape analysis. Submitted to Canadian Journal of Forest Resources. 40 p., 7 fig.

 

Sessions, J., D. Johnson, J. Ross, and B. Sharer. 2000. The Blodgett plan, a non-reserve based landscape approach to developing mature forest habitat. Journal of Forestry. 98(12)29-33.

 

Ahmad, Saharudin, J. D. Brodie, and J. Sessions. 1999. Analysis of two alternative harvesting systems in peninsular Malaysia: sensitivity analysis of costs, logging damage, and buffers. Journal of Tropical Forest Science. 11(4):809-821.

 

Brown, Cameron and J. Sessions. 1999. Variable tire pressures for tropical forests? A synthesis of concepts and applications. Journal of Tropical Forest Science 11(2):380-400.

 

Bettinger, P., K. Boston, and J. Sessions. 1999. Combinatorial optimization of elk habitat effectiveness and timber harvest volume. Ecological Modelling and Assessment. 4:143-153.

 

Bettinger, P., K. Boston, and J. Sessions. 1999. Intensifying a heuristic forest harvest scheduling search procedure with 2-opt decision choices. Canadian Journal of Forest Research (29):1784-1792.

 

Minor, K., R. Beschta, and J. Sessions. 1999. Estimating large woody debris recruitment from adjacent riparian areas. Submitted to Western Journal of Applied Forestry.

 

Sessions, J., K. Norman Johnson, J. Franklin, and J. Gabriel. 1999. Achieving sustainable forest structures on fire-prone landscapes while pursuing multiple goals. In spatial Modeling of Forest Landscapes, Chapter 9. Eds. David Mladenoff and Wiliam Baker. Cambridge Univeristy Press.

 

Carey, A., B. Lippke, and J. Sessions. 1999. Intentional Ecosystem Management: Managing Forests for Biodiversity. Journal of Sustainable Forestry Vol. 9(3/4) 83-125.

 

Bettinger, P., K. N. Johnson, and J. Sessions. 1998. Improving aquatic habitat conditions over time while producing wood products: an examination of options. Journal of American Water Resources Association (JAWRA) 34(4)1-17.

 

Bettinger, P., K.N. Johnson, and J. Sessions. 1998. Evaluating the association between alternative measures of cumulative watershed effects on a forested watershed in eastern Oregon. Western Journal of Applied Forestry. 13(1):15-22.

 

Bettinger, P., J. Sessions, and K. N. Johnson. 1998. Ensuring the compatibility of aquatic habitat and commodity production goals in eastern Oregon with a TABU search procedure. Forest Science 44(1):96-112.

 

Johnson, K.N., J. Sessions, J. Franklin and J. Gabriel. 1998. Integrating wildfire into strategic planning for Sierra Nevada Forests. Journal of Forestry 96(1)42-49.

 

Bettinger, P., J. Sessions and K. Boston. 1997. Using TABU search to schedule timber harvests subject to spatial wildlife goals for big game. Ecological Modelling 94(1997)111-123.

 

Gordon, J., J. Franklin, K.N. Johnson, D. Patton, J. Sedell, J. Sessions, and E. Williston. 1997. Redefining the government's role, an assessment of Indian forests and forest management in the United States: The IFMAT Report. Journal of Forestry 95(11)10-14.

 

Johnson, K.N., J. Sessions, and J. Franklin. 1996. Initial results from simulation of alternative forest management strategies for two national forests of the Sierra Nevada.  In proceedings:   Sierra Nevada Ecosystem Project: Final report to Congress. Davis: University of California, Centers for Water and Wildland Resources. 55 p.

 

Sessions, J., K.N. Johnson, B. Bahro, D. Sapsis, and J. Gabriel. 1996. Methodology for simulating forest growth, fire effects, timber harvest, and watershed disturbance under different management regimes. In: Proceedings:  Sierra Nevada Ecosystem Project: Final report to Congress. Davis: University of California, Centers for Water and Wildland Resources. 60 p.

 

Cousar, P., J. Sessions, and K.N. Johnson. 1996. Individual stand projection under different goals to support policy analysis for the Sierra Nevada Ecosystem Project. In: Proceedings:  Sierra Nevada Ecosystem Project: Final report to Congress. Davis: University of California, Centers for Water and Wildland Resources. 55 p.

 

Menning, K.M., D.C. Erman, K.N. Johnson, and J. Sessions. 1996. Modeling aquatic and riparian systems, assessing cumulative watershed effects, and limiting watershed disturbance. In: Proceedings:  Sierra Nevada Ecosystem Project: Final report to Congress. Davis: University of California, Centers for Water and Wildland Resources. 30 p.

 

Franklin, J. F., D. Graber, K.N. Johnson, J. A. Fites-Kaufmann, K. Menning, D. Parsons, J. Sessions, T.A. Spies, J. Tappeiner, and D.A. Thornburgh. 1996. Comparison of alternative late-successional conservation strategies. In: Proceedings:  Sierra Nevada Ecosystem Project: Final report to Congress. Davis: University of California, Centers for Water and Wildland Resources. 25 p.

 

Acker, T., C. Brunner, J. Funck, and J. Sessions. 1996. Evaluating three bucking strategies at the harvest site from the sawmill's perspective. Submitted to Forest Products Journal.

 

Lippke, B., J. Sessions, and A. Carey. 1996. Economic analysis of forest landscape management alternatives. Submitted to Forest Science Monograph. 107 p.

 

Brown, Cameron and J. Sessions. 1996. A maximum load path solution for the standing skyline. Forest Science 42(2):220-227.

 

Bettinger, P., K.N. Johnson and J. Sessions. 1996. Forest planning in an Oregon case study: Defining the problem and attempting to meet goals with a spatial-analysis technique. Environmental Management, 20(4):565-577.

 

Gordon, J., J. Franklin, S. Gregory, K.N. Johnson, W. McComb, and J. Sessions. 1995. A management strategy for the proposed Coquille Forest. Coquille Indian Tribe, Coos Bay, Oregon. 110 p. (Peer-review coordinated by State of Oregon, Natural Resources)

 

Sessions, J., S. Crim and K.N. Johnson. 1994. Geographic information systems and decision models in forest management planning. P. 63-76 In:  Proceedings, Remote Sensing and GIS in Ecosystem Management. Island Press.

 

Yoshimoto, A., J. D. Brodie, and J. Sessions. 1994. A new heuristic to solve spatially constrained long-term harvest scheduling problems. Forest Science 40(3):365-396.

 

Bettinger, P., K. Boston, A. Lesieutre, and J. Sessions. 1994. Integrating geographic information systems and decision support systems for use in forest planning. Submitted to International Journal of Geographical Information Systems.

 

Liu, K. and J. Sessions. 1993. Preliminary planning of road systems using digital terrain models. Journal of Forest Engineering 4, 27-32.

 

Bettinger, P., J. Sessions, and L. Kellogg. 1993. Potential timber availability for mechanized harvesting in Oregon. Western Journal of Applied Forestry 8(1):1-5.

 

Sessions, J. 1991. Solving for habitat connections as a Steiner network problem. Forest Science 38(1):203-207.

 

Kendrick, D. and J. Sessions. 1991. A solution procedure for calculating the standing skyline load path for partial and full suspensions. Forest Products Journal 41(9):57-60.

 

Olsen, E., S. Pilkerton, J. Garland, and J. Sessions. 1991. Computer aided bucking on a mechanized harvester. Journal of Forest Engineering 2(2):25-32.

 

Anderson, P. and J. Sessions. 1991. Factors affecting the maximum grade a truck can climb around a curve. P. 15-19 In: Proceedings,  Fifth International Conference on Low Volume Roads. Transportation Research Board, National Research Council, Washington,  D.C. TRR 1291, Volume 2.

 

Anderson, J. and J. Sessions. 1991. Managing low volume road systems for intermittent use. P. 224-230  In: Proceedings:  Fifth International Conference on Low Volume Roads. Transportation Research Board, National Research Council, Wash. D.C. TRR 1291, Volume 1.

 

Torres-Rojo, J., J. D. Brodie, and J. Sessions. 1991. Solution to the area-based harvest scheduling problem through Lagrangian relaxation Forest Science (in review).

 

Nelson, J., J. Brodie, and J. Sessions. 1991. Integrating short-term area-based logging plans with long-term harvest schedules. Forest Science 37(1):101-122.

 

Garland, J., S. Pilkerton, E. Olsen, and J. Sessions. 1990. Extending optimal bucking to harvesting and site preparation decisions. Western Journal of Applied Forestry. 5(1):12-15.

 

Olsen, E., J. Garland, and J. Sessions. 1989. Value loss from measurement error in computer aided bucking at the stump. Applied Engineering in Agriculture. 5(2):283-285.

 

Yeap, Y.H. and J. Sessions. 1989. Optimizing road spacing and road standards simultaneously on uniform terrain. Journal of Tropical Forest Science 1(3):215-228.

 

Shen, Zhenyan and J. Sessions. 1989. Log truck scheduling by network programming. Forest Products Journal 39(10):47-50.

 

Sessions, J. and Y.H. Yeap. 1989. Optimizing road spacing and equipment allocation simultaneously. Forest Products Journal 39(10):43-46.

 

Sessions, J. and J. Balcom. 1989. Determining maximum allowable weights for highway vehicles. Forest Products Journal. 39(2):49-52.

 

Erkert, T. and J. Sessions. 1989. A method for determining offtracking of multiple unit vehicle combinations. Journal of Forest Engineering 1(1):9-16.

 

Murphy, G., E. Olsen, and J. Sessions. 1989. Economic comparison of alternative sites for final log manufacturing in steep country plantations. Applied Engineering in Agriculture 4(4):319-322.

 

Garland, J., J. Sessions, and E. Olsen. 1988. Logs manufactured using computer aided bucking at the stump. Forest Products Journal 9(3):62-66.

 

Sessions, J., J. Garland, and E. Olsen. 1988. Testing computer aided bucking at the stump. Journal of Forestry 87(4):43-46.

 

Sessions, J., E. Olsen, and J. Garland. 1988. Tree bucking for optimal stand value with log allocation constraints. Forest Science 35(1):271-276.

 

Sessions, J. 1988. Improving tree bucking decisions in the woods: An introduction to optimal bucking. Journal of Forestry 86(10):43-45.

 

Sessions, J., R. Layton, and Li Guangda. 1988. Making better tree bucking decisions: A network analysis solution technique. The Compiler, Forest Resources Institute. 5(5):5-9.

 

Paredes, G. and J. Sessions. 1988. A solution method for the transfer yard location problem in forest operations. Forest Products Journal 38(3):53-58.

 

Sessions, J. and G. Paredes. 1987. A solution method for the sort yard location problem in forest operations. Forest Science 33(3):750-762.

 

Giles, R. and J. Sessions. 1987. Harvesting factors affecting financial feasibility in southwestern Idaho. Western Journal of Applied Forestry 2(4):105-110.

 

Sessions, J., J. Balcom, and K. Boston. 1987. Road location and construction practices: Effects on landslide frequency and size in the Oregon Coast Range. Western Journal of Applied Forestry 2(4):119-124.

 

Sessions, J. and Li Guangda. 1987. Determining road and landing spacing using microcomputers. Western Journal of Applied Forestry 2(3):22-26. Reprinted in Chinese Forest Science.

 

Jackson, R. and J. Sessions. 1987. Travel speeds on curves and favorable grades for logging trucks on single-lane roads. P. 112-118 In: Proceedings:  Fourth International Conference on Low-Volume Roads. Transportation Research Board, National Research Council Washington, D.C. TRR 1106, Volume 2

 

Anderson, P., M. Pyles, and J. Sessions. 1987. Considerations in the operation of highway logging trucks on steep low-volume roads. P. 104-111 In: Proceedings:   Fourth International Conference on Low-Volume Roads. Transportation Research Board, National Research Council, Washington, D.C. TRR 1106, Volume 2..

 

Sessions, J., R. Stewart, P. Anderson, and B. Tuor. 1986. Calculating the maximum grade a log truck can climb. Western Journal of Applied Forestry 1(2):43-45.

 

Sessions, J. 1986. Can income tax rules affect management strategies for forest roads? Western Journal of Applied Forestry. 1(1):26-28.

 

Sessions, J. and L. Filippetto. 1983. Determination of marginal costs between alternative levels of production using linear programming. Revista Floresta 14(2):22-27. Universidade de Parana, Curitiba, Brazil.

 

Kaiser, F., C. Row, and J. Sessions. 1981. Discount rate for long term forest service investments. Journal of Forestry 6:367-369.

 

Sessions, J. 1977. Stability considerations in ECHO Modeling. Forest Science Note 4:446-449.

 

Books and Book Chapters:

 

Sessions, J., K. Boston, M. Wing, A. Akay, P. Theisen and R. Heinrich. 2007 .  Road Operations in the Tropics.  Tropical Forestry Series Vol. 4, Springer. 170 p.

 

Sessions, J., K. Boston, G. Murphy, M. Wing, L. Kellogg, S. Pilkerton, J. Zweede and R. Heinrich. 2007.  Harvest Operations in the Tropics. Tropical Forestry Series Vol. 5, Springer. 170 p.

 

Sessions, J., A. Akay, G. Murphy, C. Chung, and K. Aruga. 2006. Road and Harvesting Planning and Operations in Computer Applications in Sustainable Forest Management: Including Perspectives on Collaboration and Integration. Series: Managing Forest Ecosystems, Vol 11. G. Shao and K. Reynolds (eds.).  Springer.  Chapter 5. p 83-99.  

 

Sessions, J.,  P. Overhulser, P. Bettinger, and D. Johnson. 2006. Linking Multiple Tools: An American Case in Computer Applications in Sustainable Forest Management. : Including Perspectives on Collaboration and Integration. Series: Managing Forest Ecosystems, Vol 11. G. Shao and K. Reynolds (eds.).  Springer.  Chapter 11. p. 223-238.

 

Bettinger, P., K. Boston, and J. Sessions.  2006.  Ecological Informatics: Simulated annealing. Chapter. Encyclopedia of Ecology (accepted).

 

Sessions, J., P. Bettinger, and G. Murphy.  2006. Heuristic Approaches in Forest Planning In: Handbook on Operations Research in Natural Resources. Andres Weintraub (ed.). Springer Publishers (in press).

 

Akay, A.E. and J. Sessions. 2004. Forest Operations: Roading and Transport Operations In: Encyclopedia of Forest Sciences, Jeffery Burley, Julian Evans, and John A. Youngquist (eds.), Elsevier Limited, Oxford, UK. p. 259-269.

 

Bettinger, P., K. Boston, J. Sessions, and W. McComb. 2001. Integrating Wildlife Species Habitat Goals in Quantitative Land Management Planning Processes. P. 567-579  In: Proceedings,  Wildlife Habitats and Species Associations in Oregon and Washington. D. H. Johnson and T. A. O'Neil (eds.), Oregon State University Press, Corvallis, OR.

 

Sessions, J. and W. Chung (Eds.). 1999.  Proceedings, The International Mountain Logging and 10th Pacific Northwest Skyline Symposium. March 28-April 1. Corvallis, OR. Published by Department of Forest Engineering, Oregon State University, 372 p.

 

Heinimann, H. and J. Sessions (Eds.). 1999.  Proceedings, The seminar on forest operations in Himalayan forests with special consideration of ergonomic and socioeconomic problems. Thimpu, Bhutan, October 20-27, 1997. Available on WEB at http://www.upress.de/abstracts/3-933146-12-7.html. Kassel University Press (ISBN 3-933146-12-7). 149 p.

 

Sessions, J. (Editor). 1995.  Proceedings:  The technical sessions for forest operations under mountainous conditions, S3.06, XX IUFRO World Congress, Tampere, Finland, August 6-12, 1995. Published by Oregon State University. 226 p.

 

Sessions, J. and J.D. Brodie (Eds.). 1995.  Proceedings:  1994 Symposium on Systems Analysis in Forest Resources, Pacific Grove, CA. Sept. 6-9. Published by Oregon State University. 482 p.

 

Sessions, J. (Editor). 1994. Proceedings, Workshop on Forest Operations, Ergonomics, and Environmental Protection. June 24-27. Harbin, China. Published by Oregon State University. 392 p.

 

Sessions, J. and L. Kellogg (Eds.). 1994.  Proceedings:  The Council on Forest Engineering, Advanced Technology in Forest Operations. June 24-29. Corvallis, OR. Published by Oregon State University. 351 p.

 

Schiess, P. and J. Sessions (Eds.). 1993.  Proceedings:  The International Mountain Logging and Pacific Northwest Skyline Symposium. December 14-16. Bellevue, WA. Published by University of Washington 281 p.

 

Sessions, J. and R. Heinrich. 1993. Chapter 21, Harvesting. Tropical Forestry Handbook. Springer Verlag Publishers. pp 1324-1424.

 

Sessions, J. and R. Heinrich. 1993. Chapter 20, Roads. Tropical Forestry Handbook. Springer Verlag Publishers. pp 1270-1324.

 

Sessions, J. 1992. Editor.  Proceedings, The Workshop on Computer Supported Planning of Roads and Harvesting, August 26-28. Feldafing, Germany. Workshop sponsored by Subject Groups 3.05 and 3.06 and the University of Munich. Published by Oregon State University. 316 p.

 

Sessions, J. 1992. Cost Control in Harvesting and Road Construction. Food and Agriculture Organization of the United Nations (FAO), Rome, Forestry Paper 99. 121 pp.

 

Sessions, J. 1990. Coordinator and Contributing author, Timber for Oregon's Tomorrow - The 1989 Update. Forest Research Laboratory, OSU. 192 p.

 

Sessions, J. and J.B. Sessions. 1990, 1993, 1995. SNAP II/III User's Guide. USDA Forest Service, Portland, OR. 120 p.

 

Sessions, J. and J.B. Sessions. 1988. SNAP User's Guide. USDA Forest Service, Portland, OR. 256 p.

 

Sessions, J. 1988.  Editor, Proceedings, The International Mountain Logging and Pacific Northwest Skyline Symposium. December 12-16. Portland, OR. Published by Oregon State University, 193 p.

 

Studier, D., J. Sessions, W. Stuart, and R. Iff. 1984. Chapter 10, Logging Society of American Foresters Handbook. pp. 491-563.

 

Sessions, J. 1980. (Chairman, Logging Section) National Forest Landscape Management, Volume 2, Chapter 5. USDA Forest Service Handbook 559. pp 196-220.

 

Binkley, V. and J. Sessions. 1978. Chain-and-Board Handbook for Skyline Tension and Deflection. USDA Forest Service, Pacific Northwest Region. 193 pp.

 

Other Publications and Reports:

 

Dodson, E., W. Chung, K. Mills, and J. Sessions. 200x. Transportation planning and decision analysis to determine low volume road stands, long term needs, and environmental risks and tradefoffs. In preparation for the International Mountain Logging and 13th Pacific Northwest Skyline Symposium, April 1-6, 2007, Corvallis, Oregon.

 

 

Chung, W., J. Sessions, and J. Holub. 200x. SlopeRunner 1.0: A Program to Evaluate Cable Logging Feasibility and the Effectiveness of Tower Locations. In preparation for the International Mountain Logging and 13th Pacific Northwest Skyline Symposium, April 1-6, 2007, Corvallis, Oregon.

 

Thompson, M. and J. Sessions. 200x. Management of federally owned forest roads: Challenges and possible solutions. In Proceedings of “ 12th Symposium for Systems Analysis in Forest Resources”, September 5-8, 2006, Burlington VT, USA. Matthew Pelkki, compiler.  Arkansas Forest Resources Center Series 008, Monticello, AR. 5p.

 

Sessions, J. and S. Fitzgerald. 2006. The role of timber salvage in forest restoration: why, where, and when. In Proceedings of  29th Annual Meeting of Council on Forest Engineering (COFE), Coeur d ‘Alene, Idaho, July 30-August 2. Woodam Chung (ed). CD-ROM.

 

Overhulser, P., J. Sessions, R. Holloway, D. Johnson, and M. Rasmussen. 2006. The Sate of Oregon Forests-An approach to policy analysis under complex demands. Crises in Agricultural and Resource Sectors Workshop: Analysis of Policy Responses", October 15 - 17, 2006, Calgary, Alberta, Canada.

 

Sessions, J. 2006. Are Indian Forests and Forest Management Improving? A comparison of the 1991 and 2001 national assessments. Evergreen Magazine. Winter 2005-2006, p.32-37.

 

Chung, W., J. Sessions, and Marco Contrerras. 2006. Decision support systems for forest operations planning.  Mundo Forestal,  Society of Forest Engineers (in review).

 

Sessions, J. 2005. Resource and transportation scheduling to meet ecological and economic goals: The Tillamook Plan.  In Proceedings, 28th Annual Meeting of Council on Forest Engineering (COFE). Soil, Water and Timber Management: Forest Engineering Solutions in Response to Forest Regulation. July 12-14, 2005, Fortuna, CA. USDA Forest Service Gen. Tech. Rep. PSW-GTR-194. pp.74-79.

 

Aruga, K., J. Sessions, and E. Miyata. 2005.  Comparison of Tabu Search and the Genetic Algorithm for forest road alignment optimization with soil sediment evaluation. In Proceedings,  28th Annual Meeting of Council on Forest Engineering (COFE). Soil, Water and Timber Management: Forest Engineering Solutions in Response to Forest Regulation. July 12-14, 2005, Fortuna, CA, USA.  USDA Forest Service Gen. Tech. Rep. PSW-GTR-194. pp. 236-248.

 

Akay, A, A. Yuksel, M. Reis, O. Erdas, and J. Sessions. 2005. Selecting the Optimal Forest Road Alignment with A Maximum Sediment Production Constraint. In Proceedings 28th Annual Meeting of Council on Forest Engineering (COFE). Soil, Water and Timber Management: Forest Engineering Solutions in Response to Forest Regulation. July 12-14, 2005, Fortuna, CA, USA. USDA Forest Service Gen. Tech. Rep. PSW-GTR-194.  pp. 302-311.

 

Sessions, J. 2005. Forest planning and timber harvesting-northeast Antioquia forestry

project. Colombia Forestry Development Program, Internal report to Chemonics, Medellin, Colombia.

 

Chung, W., G. Jones, J. Sullivan, and J. Sessions. 2005. Developing a heuristic solver for MAGIS using a sequence of heuristic optimizations to integrate resource management and transportation planning on large forest lands. In Proceedings, 28th Annual Meeting of Council in Forest Engineering (COFE). Soil, Water and Timber Management: Forest Engineering Solutions in Response to Forest Regulation. July 12-14, 2005, Fortuna, CA. USDA Forest Service Gen. Tech. Rep. PSW-GTR-194. pp. 312-327.

 

Sessions, J. and P. Overhulser. 2004  Impacts of the salmon anchor habitat strategy on volumes and revenues from the Tillamook Forest. Paper prepared for Salmon Habitat Anchor

Workshop, June 24, 2004, Tillamook, Oregon. Natural Resources Institute, Oregon State

University.

 

Akay, A.,  I.R. Karas, J. Sessions, A. Yuksel, N. Bozali, and R. Gundogan, 2004. Using high-resolution digital elevation model for computer-aided forest road design, In Proceedings for XXth International Society for Photogrammetry and Remote Sensing (ISPRS) Congress, July 2004, Istanbul, Turkey.

 

Sessions, J.  and M. Sterner. 2004. Making forests firesafe: What does it take?  In

Proceedings, the 28th Annual Indian Timber Symposium, April 27-29, Ocean Shores, Washington, Intertribal Timber Council, Portland, OR.

 

Aruga K., J. Sessions, A. Akay and W. Chung. 2004. Optimizing  horizontal and vertical

alignments of forest roads using a high resolution DEM.  In Proceedings,  “Improving the Bottom Line”,  International Mountain Logging and 12th Pacific Northwest Skyline Symposium, Vancouver, British Columbia, June.

 

Akay, E., J. Sessions, P. Bettinger, and O. Erdas. 2004. Finding the vertical alignment of a forest road using several heuristic techniques.  In Proceedings, 27th Annual Meeting Council on Forest Engineering (COFE), April 27-30, Hot Springs, Arkansas.

 

Akay, A. and J. Sessions. 2004.  Identifying the factors influencing the cost of mechanized harvesting equipment. Journal of Science and Engineering, Kahramanmaras Sutcu Imam University, 7 (2): 65-72.

 

Akay, A. and J. Sessions. 2003. Introducing harvesting equipment used in North America. Internal report to Kahramanmaras University faculty, Turkey, 8 p.

 

Akay, A.E. and J. Sessions. 2003. Can TRACER help design forest roads? Second International Precision Forestry Symposium, University of Washington, College of Forest Resources, Seattle, Washington, USA.

 

Garland, J., J. Sessions, S. Pilkerton, J. Hartter, and J. Leonard. 2003. Synthetic rope to replace wire rope in mountain logging operations. Prepared for Austro 2003: High Tech Forest Operations for Mountainous Terrain, October 5-9, 2003, Schlaegl, Austria, 9 p.

 

Gordon, J. (Chairman), J. Sessions (Vice-Chairman), J. Franklin, K.N. Johnson, J. Berry, M. Sterner, M. Ferrucci, C. Mukumoto, K.N. Johnson, J. Franklin, and  D. Patton.  2003. Assessment of Indian forests and forestry in the United States. Prepared for the Intertribal Timber Council, Portland, Oregon in response to P.L. 101-630. 123 p.

 

Sessions, J., R. Buckman, M. Newton, and J. Hamann. 2003 The Biscuit fire: An examination of management options for forest regeneration, timber salvage, and fire and insect risk reduction. Report to Doug Robertson, Chairman of the O&C County Commissioners. 63 p.

 

Pilkerton, S., J. Garland, J. Leonard, and J. and Sessions. 2003. Synthetic rope use in logging winching applications.  Proceedings of the Council on Forest Engineering.

 

Chung, W. and J. Sessions, 2003. A computerized method for determining cable logging feasibility using a digital elevation model.  Proceedings of the Council on Forest Engineering.

 

Wing, M., J. Sessions, and E. Coulter. 2003. Preliminary investigation of Digital Elevation Model resolution for transportation routing in forested landscapes. P. 137-142  In: Proceedings,   Second Precision Forestry Symposium, June 15-17, Institute of Forest Resources, College of Forest Resources, University of Washington, Seattle, WA.

 

Marshall, H., K. Boston, and J. Sessions. 2003. Harvest scheduling with aggregation adjacent constraints: A threshold acceptance approach. P.131-136 In: Proceedings of the Second Precision Forestry Symposium, June 15-17, Institute of Forest Resources, College of Forest Resources, University of Washington, Seattle, WA.

 

Coulter, E. and J. Sessions. 2003. Use of the analytic hierarchy process to compare disparate data and set priorities. In: Proceedings, Second Precision Forestry Symposium, June 15-17, Institute of Forest Resources, College of Forest Resources, University of Washington, Seattle, WA.

 

Cornell, J., J. Sessions, and J. Mateski. 2003. Precision forestry applications: Use of DGPS data to evaluate aerial forest operations. P. 37-44 In:  Proceedings, The Second Precision Forestry Symposium, June 15-17, Institute of Forest Resources, College of Forest Resources, University of Washington, Seattle.

 

Sessions, J. 2003. Improving Habitat for Species at Risk While Maintaining Timber Supply: The Umpqua land exchange project. P.175-182   In: Proceedings, of the 2000 Systems Analysis Symposium in Forest Resources, Aspen, Colorado, Sept 28-30. Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Nalle, D., J. Arthur, and J. Sessions. 2003. Designing a Compact and Contiguous Reserve Network under a Budget Constraint. P.243-248  In: Proceedings, 2000 Systems Analysis Symposium in Forest Resources. Aspen, Colorado, Sept 28-30. Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Sessions, J. and W. Chung. 2003. NETWORK 2000: A program for optimizing large fixed and variable cost transportation problems. P.109-120 In: Proceedings, The 2000 Systems Analysis Symposium in Forest Resources, Aspen, Colorado, Sept 28-30. Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Chung, W. and J. Sessions, 2003. An application of combinatorial heuristics to timber sale scheduling considering distance dependent costs and equipment balancing requirements. P.91-104. In: Proceedings, 2000 Systems Analysis Symposium in Forest Resources, Aspen, Colorado, Sept 28-30. Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Sessions, J. and W. Chung. 2003. An approach to optimizing helicopter logging operations. P. 81-86  In:  Proceedings, The 2000 Systems Analysis Symposium in Forest Resources, Aspen, Colorado, Sept 28-30. Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Bettinger P. and J. Sessions, J. 2003. Eight heuristic planning techniques applied to three increasingly difficult wildlife planning problems: A Summary. P.249-258  In: Proceedings, The 2000 Systems Analysis Symposium in Forest Resources, Aspen, Colorado, Sept 28-30. Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Sessions, J. and P. Overhulser. 2003. Structure-based management for the Sate of Oregon: An application of combinatorial optimization heuristics for large scale landscape analysis. P.135-143  In: Proceedings, The 2000 Systems Analysis Symposium in Forest Resources, Aspen, Colorado, Sept 28-30, Volume 7, Managing Forest Ecosystems, Kluwer Press.

 

Sessions, J. 2002. Softwood resources of the Eastern Cape Province of South Africa. Report for USAID-ALO Sustainability Project. College of Forestry, Oregon State University. 8p.

 

Sessions, J. 2002. Linking harvesting technology with harvest scheduling in steep terrain for sustainable forestry.  In: Proceedings:  "WOODFOR AFRICA", July 2-5, Pietermaritzburg, South Africa. Loren Kellogg and Ben Spong, editors. Department of Forest Engineering, Oregon State University, Corvallis, OR.

 

Coulter, E., A. Skaugset, J. Coakley, and J. Sessions. 2002. Sedimentation risk for a road network in western Oregon. In: Proceedings, The Council of Forest Engineering, June 16-20, Auburn, AL. 4p.

 

Chung, W. and J. Sessions. 2002 Optimization of Cable Logging Layout using a Heuristic Algorithm for Network Programming.  In: Proceedings, The Council of Forest Engineering, June 16-20, Auburn, AL. 4pp.

 

Sessions, J. 2002. Economic Drivers to Silviculture.  In: Proceedings, Symposium on Silvicultural Options for Sustainable Management of Pacific Northwest Forests:  Integrating research results in management practice", March 5-6, 2002. Oregon State University, College of Forestry, Corvallis.

 

Chung, W. and J. Sessions. 2002. Optimizing cable logging harvest design and road systems simultaneously on a digital terrain model P. 53-160  In: Proceedings, Society of American Foresters, 2001 National Convention. Bethesda, MD. Society of American Foresters.

 

Wing, M., E. Coulter and J. Sessions. 2002. Developing a decision support system to improve transportation planning in landslide prone terrain. In: Proceedings:  Society of American Foresters 2001 National Convention. Bethesda, MD. Society of American Foresters.

 

Chung, W. and J. Sessions. 2001. NETWORK 2001 - Transportation planning under multiple objectives. In: Proceedings, The International Mountain Logging and 11th Pacific Northwest Skyline Symposium, December 10-12, Seattle, WA.

 

Akay, A. and J. Sessions. 2001. Minimizing road construction plus forwarding costs under a soil disturbance constraint. In:  Proceedings, The International Mountain Logging and 11th Pacific Northwest Skyline Symposium, December 10-12, Seattle, WA.

 

Wing, M., J. Sessions, E. Coulter. 2001. Using heuristics and GIS to improve transportation planning in landslide prone terrain. In: Proceedings, The International Mountain Logging and 11th Pacific Northwest Skyline Symposium, December 10-12, Seattle, WA.

 

Bettinger, P. and J. Sessions. 2001. Integrating spatial aquatic habitat goals into a planning process considering alternative harvesting system and road management strategies. In: Proceedings, The International Mountain Logging and 11th Pacific Northwest Skyline Symposium, December 10-12, Seattle, WA.

 

Pilkerton, S., J. Garland, J. Sessions, and B. Stringham. 2001. Prospects for using synthetic rope in logging: First look and future research. In: Pr