Aaron Weiskittel, Personal Info

Contents

Work Information

Education

Contact Information

Current Projects and Publications

 

Work Information

Job Title

Weyerhaeuser Post-Doc in Silviculture and Forest Modeling

Key responsibilities

linear and nonlinear mixed-effects modeling, R/S application programming

Research interests

tree growth modeling, wood quality, intensive plantation management, forest health,

crown structure and morphology, foliage dynamics, tree responses to defoliation, quantitative silviculture

 

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Education

Ph.D. 2007

Oregon State University, Corvallis, OR

Major: Forest growth and yield modeling

Dissertation title: Development of a hybrid model for intensively managed Douglas-fir plantations in the Pacific Northwest

 

M.S. 2003

Oregon State University, Corvallis, OR

Major: Quantitative Silviculture

GPA: 3.62 on 4.0 scale

Transcript: Click here

GRE scores: Click here

Thesis title: Alterations in Douglas-fir crown structure, morphology, and dynamics due to Swiss needle cast in the Oregon Coast Range

 

B.S. 2001

The Ohio State University, Columbus, OH

Major: Natural Resources (Forestry)

GPA: 3.85 on 4.0 scale

Transcript: Click here

Thesis title: Canopy gap characteristics of an old-growth forest in Ohio

 

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Contact Information

E-mail address

uredo@excite.com

Web address

www.holoros.com

 

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Current Projects, Publications, and Conference Posters

 

Current Projects

-Development of a hybrid model for intensively managed Douglas-fir plantations of the Pacific Northwest

-Influence of intensively management on Douglas-fir wood quality and expected product recovery

-Influence of Swiss needle cast on Douglas-fir crown structure, morphology, and dynamics

-Effect of Swiss needle cast on crown structure of Douglas-fir as it relates to fire risk and potential fire behavior in western Oregon

 

Publications

 

Peer-reviewed

 

Weiskittel, A.R. and Hix, D.M. 2003. Canopy gap characteristics of an oak-hickory old-growth forest. Ohio Journal of Science 103(4): 111-115.

 

Temesgen, H. and Weiskittel, A.R. 2006. Leaf mass per area relationships across light gradients in hybrid spruce. Trees 20: 522-530.

 

Weiskittel, A.R., Maguire, D.A., Garber, S.M., and Kanaskie, A. 2006. Influence of Swiss needle cast on foliage age class structure and vertical foliage

distribution in Douglas-fir plantations of north coastal Oregon. CJFR 36: 1497-1508.

 

Weiskittel, A.R. and Maguire, D.A. 2006. Branch surface area and its vertical distribution in coastal Douglas-fir. Trees 20: 657-667.

 

Weiskittel, A.R., Maguire, D.A., Monserud, R.A., Rose, R., and Turnblom, E.C. 2006. Intensive management influence on Douglas-fir

stem form, branch characteristics, and simulated product recovery. New Zealand Journal of Forestry Science 36: 293-312.

 

Weiskittel, A.R. and Maguire, D.A. 2007. Alterations in Douglas-fir leaf area index and litterfall dynamics

caused by Swiss needle cast disease in north coastal Oregon. Annals of Forest Science: in press.

 

Weiskittel, A.R., Garber, S.M., Johnson, G.R., Maguire, D.A., and Monserud, R.A. 2007. Annualized diameter and height growth

functions for plantation-grown Douglas-fir, western hemlock, and red alder in the Pacific Northwest. Forest Ecology and

Management: in press.

 

Weiskittel, A.R., Maguire, D.A., and Monserud, R.A. 2007. Modeling crown structural responses to competing vegetation control,

thinning, fertilization, and Swiss needle cast in coastal Douglas-fir of the Pacific Northwest, USA. Forest Ecology and Management: in press. 

 

 

Reports

 

Weiskittel, A.R. and Maguire, D.A. 2006. Influence of year on the relationship between foliage retention and branch biomass.

In: Shaw, D., editor. Swiss needle cast cooperative 2006 annual report. Oregon State University, College of Forestry. Corvallis, OR. pp 38-39.

 

Weiskittel, A.R., Maguire, D.A., and Monserud, R.A. 2006. Influence of Swiss needle cast on branch growth and mortality: implications for individual

tree growth projections. In: Shaw, D., editor. Swiss needle cast cooperative 2006 annual report Oregon State University, College of Forestry. Corvallis, OR. pp 40-42.

 

Weiskittel, A.R. and Maguire, D.A. 2006. Influence of Swiss needle cast on Douglas-fir branch attributes across a Swiss needle cast gradient. In: Shaw, D., editor. Swiss needle cast cooperative 2006 annual report. Oregon State University, College of Forestry. Corvallis, OR. pp 43-44.

 

Weiskittel, A.R. and Maguire, D.A. 2006. Influence of sulfur and sulfur + lime on Douglas-fir upper crown branch attributes. In: Shaw, D., editor. Swiss needle cast cooperative 2006 annual report. Oregon State University, College of Forestry. Corvallis, OR. pp 45-46.

 

Weiskittel, A.R. and Maguire, D.A. 2005. Using hybrid models to predict annual stand-level growth across a range of Swiss needle cast severity. In: Mainwaring, D. and Shaw, D., editors. Swiss needle cast cooperative 2005 annual report. Oregon State University, College of Forestry. Corvallis, OR. pp 18-20.

 

Weiskittel, A.R. and Maguire, D.A. 2005. Influence of intensive management and sulfur treatments on Douglas-fir foliage. In: Mainwaring, D. and Shaw, D., editors. Swiss needle cast cooperative 2005 annual report. Oregon State University College of Forestry. Corvallis, OR. pp 21-22.

 

Weiskittel, A.R. and Maguire, D.A. 2005. Response in Douglas-fir leaf area index and litterfall dynamics to Swiss needle cast in North Coastal Oregon. In: Mainwaring, D. and Shaw, D., editors. Swiss needle cast cooperative 2005 annual report. Oregon State University College of Forestry. Corvallis, OR. pp 37-50.

 

Weiskittel, A.R., Maguire, D.A., and Monserud, R.A. 2005. Influence of fertilization and thinning on Douglas-fir branch number and size. Stand Management Cooperative Quarterly Newsletter. University of Washington College of Forest Resources. Seattle, WA. pp. 5-7.

 

Weiskittel, A.R., and Maguire, D.A. 2004. Influence of stand development and intensive silviculture on crown sparseness. In: Mainwaring, D., editor. Swiss  needle cast cooperative 2004 annual report. Oregon State University College of Forestry. Corvallis, OR. pp 31-34.

 

Weiskittel, A.R. and Maguire, D.A. 2004. Growth and mortality models that incorporate the effects of Swiss needle cast; an examination of SMC ORGANON biases and development of new equations using data from the growth impact,  pre-commercial thinning, and  commercial thinning studies. In: Mainwaring, D., editor. Swiss needle cast cooperative 2004 annual report. Oregon State University College of Forestry. Corvallis, OR. pp 64-70.

 

Weiskittel, A.R. Maguire, D.A., and Higgins, M. 2004. Growth response of young Douglas-fir plantations with severe Swiss needle cast to vegetation management and balanced fertilizer applications. In: Mainwaring, D., editor. Swiss  needle cast cooperative 2004 annual report. Oregon State University College of Forestry. Corvallis, OR. pp 71-74.

 

Weiskittel, A.R. and Maguire, D.A. 2004. Influence of Swiss needle cast on Douglas-fir stem properties. In: Mainwaring, D., editor. Swiss needle cast cooperative 2004 annual report. Oregon State University College of Forestry. Corvallis, OR. pp 91-97.

 

Weiskittel, A.R., Maguire, D.A. and Kanaskie, A. 2003. Alterations in Douglas-fir crown structure and morphology due to Swiss needle cast in the Oregon Coast Range. In: Filip, G. Swiss needle cast cooperative 2003 annual report. Oregon State University, College of Forestry, Corvallis, OR. pp. 61-63.

 

 Conference Proceedings

 

Weiskittel, A.R., Maguire, D.A., and Monserud, R.A. 2005. Influence of intensive management on Douglas-fir stem taper, branch characteristics, and wood quality: measurements and simulation. In: Todoroki, C.L. Proceedings of the IUFRO Working Party 5.01.04 Wood Quality Modeling Working Group 2005 conference. Auckland, NZ.

 

Weiskittel, A.R., Maguire, D.A., and Manter, D. 2004. Alterations in Douglas-fir foliage age class structure and vertical distribution imposed by Swiss needle cast disease in the Oregon Coast Range. In: Hasenauer, H. and Mäkelä, A. editors. Modeling forest production. Scientific tools, data needs and sources, validation and application. BOKU University, Vienna, Austria.  

 

Weiskittel, A.R. and Maguire, D.A. 2003. Alterations in Douglas-fir fine litterfall imposed by Swiss needle cast in the Oregon Coast Range. In: Proceedings of the 4th North American Forest Ecology Workshop. Oregon State University, College of Forestry. 16-20 June 2003. Corvallis, OR.

 

Weiskittel, A.R., Maguire, D., and Kanaskie, A. Fire risk, Swiss needle cast, and Douglas-fir crown structure in the Oregon Coast Range: A progress report. In: Proceedings of Forest Health Monitoring Work Group Meeting. USDA Forest Service. 28-30 January 2003. Monterey, CA.

 

Weiskittel, A.R. and Orwig, D.A. 2001. Stand response to hemlock woolly adelgid infestation in Connecticut. Ohio Journal of Science 101(1): 25.

 

Weiskittel, A.R. 2000. Composition, structure, and dynamics of hemlock stands with various levels of woolly adelgid infestation in Connecticut. In: Proceedings of the Eighth Annual Harvard Forest Summer Student Symposium. Harvard Forest. Petersham, MA.

 

 

Conference Posters

 

Weiskittel, A.R., Maguire, D.A. and Kanaskie, A. 2004. Effect of Swiss needle cast on Douglas-fir crown structure as it relates   to fire risk and behavior in young plantations of western Oregon. Forest Health Monitoring Work Group Meeting. USDA Forest Service

 

Weiskittel, A.R. and Maguire, D.A. 2003. Alterations in Douglas-fir fine litterfall imposed by Swiss needle cast in the Oregon Coast Range. The 4th North American Forest Ecology Workshop. 16-20 June 2003. Corvallis, OR.

  

Weiskitel, A.R., Maguire, D.A., and Kanaskie, A. 2003. Fire risk, Swiss needle cast, and Douglas-fir crown structure in the Oregon Coast Range. Forest Health Monitoring Work Group

Meeting. USDA Forest Service 28-30 January 2003. Monterey, CA.

 

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Last revised: January 1, 2007