Links : Louisiana State University  | School of Renewable Natural Resources






     School of Renewable Natural Resources

     Room 319, Renewable Natural Resource Bldg.

     Louisiana State University

     Baton Rouge, LA 70803

     Phone:(225) 578-4167

     Fax:    (225) 578-4227



B.S. in Forestry – National Chung Hsing University, Taiwan, 1972

M.F.S. in Forestry – Harvard University, 1975

Ph.D. in Forestry – University of Wisconsin – Madison, 1979

Research Interests: Forest Management, Forest Economics, and Log Sawing Optimization
(Semester) Courses:

Click on the course name to go to the web site for course materials, including syllabus, lectures, lab assignments, and old examinations.

(Fall) RNR4036: Forest Management
(Fall) RNR4038: Forest Economics
(Spring) RNR3040: Silvicultural Prescriptions
(Spring) RNR4101: Integrated Resources Management and Policy

Other Courses Offered
Conference and Workshops: Faustmann Symposiums, 2005 Southern Forest Economics Workshop

Chang, S.J. 1998. A generalized Faustmann model for the determination of the optimal harvest age. Canadian Journal of Forest Research 48(5):652-659.

Guddanti, S. and S.J. Chang. 1998. Replicating sawmill sawing with TOPSAW using CT images of a full length hardwood log. Forest Products Journal 48(1):72-75.

Coates, E.R., S.J. Chang, and T.W. Liao. 1998. A quick defect detection algorithm for magnetic resonance images of hardwood logs. Forest Products Journal 48(10): 68-74.

Chang, S.J. 2001. . One formula, myriad applications - 150 years of practicing the Faustmann Formula in Central Europe and the USA. Forest Policy and Economics 2(2):97-99.

Dean, T.J. and S.J. Chang. 2002. Using simple marginal analysis and density management diagrams for prescribing density management.  Southern Journal of Applied Forestry 26(2):85-92.

Chang, S.J. 2003. An economic analysis of forest taxation’s impact on optimal rotation age.

In Economics of Forestry, Roger Sedjo (eds). pp. 131-144. Ashgate Publishing, London. 

Chang, S.J. 2003. Quarterly Southern Pine Sawtimber Stumpage Prices in Louisiana over the Last 45 Years: Bugs, Owls, and Water.  Forest Landowners 62(2): 33-37.

Sánchez Orois, S., Chang, S. J. and Gadow, K. v. 2004. Optimal residual growing stock and cutting cycle in mixed uneven-aged maritime pine stands in northwestern Spain. Forest Policy and Economics 6(2):145-152.

Chang, S.J., C. Cooper, and S. Guddanti. 2005. Effects of the rotational angle and depth of the opening cut on hardwood log sawing.  Forest Products Journal 55(10): 49-55.

Other Links:

Katrina's damage to Lee Forest   Pictures,   Video
TOPSAW presentation


Disclaimer: The statements included this website, are those of Dr. Sun Joseph Chang only. Any statement or opinions included in these pages are not those of the LSU Agricultural Center, Louisiana State University,  the LSU Board of Supervisors, or the School of Renewable Natural Resources. Copyright © 2006.