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Forestry 280 - Wood Anatomy and Properties Spring 2006, 4 credits TR 9:30-10:50 T 12:10-3:00 202 Science II Instructor: Dr. Douglas Stokke 138 Science II 294-2115 [email protected] Office Hours: Walk in or by appointment

Course Catalog Description: Consideration of the anatomy and properties of wood and how they relate to its successful use. Comparative anatomical characteristics and identification of commercially important North American woods. Specific Course Student Learning Outcomes: 1. Acquire knowledge of the basic anatomical features of wood. Develop the ability to apply this knowledge to wood identification. 2. Learn about the relationship of wood structure to its properties. Examine the relationship between wood properties and appropriate use of wood as a material. 3. Demonstrate the ability to calculate and appropriately use information on wood moisture content, density and specific gravity, mechanical properties, heating value, and other important physical properties. 4. Develop a global perspective on the use of industrial materials. Understand broad implications of use of alternative renewable and non-renewable materials for societal infrastructure and consumer goods. NREM Departmental Student Learning Outcomes Addressed in Part by this Course: 2. Anticipate natural resource issues. 4. Assess, analyze, and synthesize information fairly and objectively. 5. Work effectively individually and with others. 7. Communicate clearly by oral and electronic means. 8. Recognize and interpret resource problems at a global scale. 9. Understand impact of distribution of people & wealth on natural resource use. 10. Exercise life-long learning skills developed before graduation. Required Text: Bowyer, J.L., R. Shmulsky, and J.G. Haygreen. 2003. Forest Products and Wood Science: An Introduction. Fourth Edition. Iowa State Press, Ames. ISBN 0-8138-2654-3. Optional Text: Hoadley, R.B. 1990. Wood Identification: Accurate Results with Simple Tools. Taunton Press, Newtown, CT. ISBN 0-942391-04-7.

Course Lecture Schedule (subject to change as circumstances may dictate) Date Topic Reading January 10 Wood use in world perspective Introduction January 12 Tree growth Chapter 1 January 17 Organic composition of wood Chapter 3 ­ p. 47-56 January 19 Structure of woody cell walls Chapter 3 ­ p. 56-64/Quiz #1 January 24 Anatomical structure of softwoods Chapter 4 January 26 Anatomical structure of softwoods Chapter 4 January 31 Anatomical structure of hardwoods Chapter 5 ­ p. 81-98 February 2 Anatomical structure of hardwoods Chapter 5 ­ p. 98-109/Quiz #2 February 7 Juvenile wood Chapter 6 ­ p. 110-119 February 9 Reaction wood Ch 6 - p.119-141 February 14 Silvicultural influences on wood Chapter 12 - p. 287-299 Chapt. 12 ­ p. 299-319/Quiz #3 February 16 Wood quality February 21 Review session Introduction; Ch. 1,2,3,4,5,6,12 February 23 Mid-term Examination February 28 Water in wood Chapter 8 ­ p. 168-176 March 2 Equilibrium moisture content & fsp Chapter 8 ­ p.176-181 March 7 Dimensional change Chapter 8 ­ p. 181-194 March 9 Principles of wood drying Ch. 8- p.194-203/Quiz #4 March 13-17: Spring Break March 21 Density and specific gravity Chapter 9 ­ p. 205-216 March 23 March 28 March 30 April 4 April 6 April 11 April 13 April 18 April 20 April 25 April 27 Density and specific gravity Measurements systems for wood products MORE on measurements systems Mechanical properties Mechanical properties Wood for energy Chemicals from wood Wood as a global material Nonwood materials Trees are the answer Review session & Course critique Ch. 9- p.216-226 Ch. 13 p. 327-336 Handout/Quiz #5 Ch. 10 ­ p. 228-242 Ch. 10 ­ p. 242-259 Chapter 18, p. 467-478 Ch. 18, p. 478-485/Quiz #6 Chapter 19, p. 487-504 Ch. 19, p. 504-513 Handout Intro, Ch. 1-6; 8-10; 12, 13 (p. 327-336); 18-19; measurements reading and handouts


May 1-5: Final Examinations Lecture Quizzes will cover material presented in lectures and assigned reading. Emphasis will generally be on the current and prior week.

Laboratory Schedule Please obtain a 10x hand lens and sharp tool for shaving wood surfaces. Date Topic/Exercise January 10 Macroscopic characteristics of wood - Chapter 2, Bowyer et al. January 17 General lab safety/knife safety/use of hand lens/use and care of the microscope/Wood samples/macro and micro features of softwoods/Comparative anatomy of softwoods January 24 Comparative anatomy of softwoods January 31 Hand lens ID/Attributes of Woods 1-13/LP#1 February 7 Wood ID Exercise #1 (woods 1-13)/Attributes of Woods 14-27 February 14 Wood ID Exercise #2 (woods 14-27) February 21 Wood ID Exercise #3 (all softwoods; woods 1-27)/LP#2 February 28 Wood ID Quiz: All Softwoods (woods 1-27) March 7 Attributes of Ring- and Semi-Ring Porous Hardwoods (woods 2847); Comparative Anatomy of Hardwoods March 21 Attributes of Ring- and Diffuse-Porous Hardwoods, (woods 48-56); Wood ID Exercise #4 (woods 28-47); Complete Comparative Anatomy of Hardwoods March 28 Attributes of Diffuse-porous hardwoods (woods 57-74); LP #3 April 4 Wood ID Exercise #5 (woods 28-60)/Moisture Content, Density and specific gravity lab April 11 Wood ID Exercise #6 (woods 28-74)/Mechanical properties of wood lab April 18 Wood ID Quiz: All Hardwoods (woods 28-74)/Optional Scrapbook work session April 25 Lab completion session/Turn in wood sample bags/Optional Comprehensive wood ID Quiz (woods 1-74)/Optional Scrapbook work session LP=Lab Practical Examination Course Grading: 15% - Midterm Lecture Exam 15% - Comprehensive Final Exam 15% - Lab Practical Exams (3 @ 5% each) 20% - Homework & Quizzes (5 HW @ 3% each; 6 Lecture Quizzes @ 1% each, drop low quiz score) 25% - Laboratory Wood ID Exercises (6 @ 2% each)/Lab Assignments (4 @ 2% each)/Wood ID Quizzes (2 @ 2.5% each) 10% - Digital scrapbook OR Comprehensive Wood ID Quiz (your choice ­ pick one) Attendance: Each student is allowed three unexcused absences for the semester. Each unexcused absence, beyond the three allotted, will result in a 1% deduction from the overall course grade, with a maximum deduction of 5%. Excused absence may require a written excuse from your doctor or similar documentation of family emergency. Unexcused absences for quizzes and exams will result in a forfeit of the exam score. Late assignments will be docked 10% per day.

Grading: A = 90%+ B = 80-89% C = 70-79% D = 60-69% F = < 60% Plus and minus grades will be assigned to the top and bottom three percentage points of the letter grade ranges shown above. My expectations of you: Behave as a responsible, respectful young adult. Attend class. Do your assigned reading prior to class. Participate in class discussion and exercises to the best of your ability. Abide by all safety instruction and rules. Seek clarification of anything you do not understand by asking your classmates or me. Obtain prior permission for absence or provide a valid medical or family emergency reason for missing an exam or for not handing in assignments on time. Have some fun and learn something new. Statement of Accommodations for Disabilities Please address any special needs or special accommodations with me at the beginning of the semester or as soon as you become aware. Those seeking accommodations based on disabilities should obtain a Student Academic Accommodation Request (SAAR) from the Disability Resources (DR) office (515294-6624). DR is located in Room 1076 of the Student Services Building.


Forestry 280 - Wood Anatomy and Properties

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