Maguire, Doug

Giustina Professor of Forest Management
Director, Center for Intensive Planted-Forest Silviculture (CIPS)

Office Location: 
Snell 226
Email Address: 
Curriculum Vitae: 

PhD, 1986, Forest Biometrics, Oregon State University
MS, 1986, Applied Statistics, Oregon State University
MS, 1979, Forest Ecology, Rutgers University
BS, 1976, Forest Management, University of Maine

Current Programs: 

Mechanisms of response to fertilization in Douglas-fir plantations; foliage age class dynamics in Douglas-fir; silvicultural control of crown development and wood quality; Swiss needle cast growth impact; stand dynamics after variable-retention silvicultural treatments; growth and yield of mixed conifer forests of eastern Oregon; natural regeneration in ponderosa pine forests.

Graduate Students:
Andre Faria (PhD), Sukhyun Joo (PhD), Jacob Putney (MS)

  • FOR 322, Forest Models
Recent Publications: 

Osborne, N.L., D.A. Maguire. 2015. Modeling knot geometry from branch angles in Douglas-fir (Pseudotsuga menziesii).  Canadian Journal of Forest Research, in press.

Zhao, J., D. Maguire, D. Mainwaring, and A. Kanaskie. 2015. The effect of within-stand variation in Swiss needle cast intensity on Douglas-fir stand dynamics. Forest Ecology and Management 347:75-82.

Mainwaring, D.B., D.A. Maguire, and S.S. Perakis. 2014. Three-year growth response of young Douglas-fir to nitrogen, calcium, phosphorus, and blended fertilizers in Oregon and Washington. Forest Ecology and Management 327:178-188.

Lowell, E.C., D.A. Maguire, D.G. Briggs, E.C. Turnblom, K.J.S. Jayawickrama, and J. Bryce. 2014. Effects of silviculture and genetics on branch/knot attributes of coast Pacific Northwest Douglas-fir and implication or wood quality – A synthesis. Forests 5:1717-1736

Littke, K.M., R.B. Harrison, D. Zabowski, D.G. Briggs, and D.A. Maguire. 2014. Effects of geoclimatic factors on soil water, nitrogen, and foliage properties of Douglas-fir plantations in the Pacific Northwest.  Forest Science 60:1118-1130.

Zhao, J., D. Maguire, D. Mainwaring, J. Wehage, and A. Kanaskie. 2013. Thinning mixed-species stands of Douglas-Fir and western hemlock in the presence of Swiss needle cast: Guidelines based on relative basal area growth of individual trees. Forest Science, http://dx.doi.org/10.5849/forsci.12-528.

Zhang, J., M.W. Ritchie, D.A. Maguire, and W.W. Oliver. 2013.  Thinning ponderosa pine (Pinus ponderosa) stands reduces mortality while maintaining stand productivity.  Canadian Journal of Forest Research 43:311-320.

Lam, T.-Y. and D.A. Maguire. 2013. Modeling microhabitat association of infrequently captured rodents sampled under complex hierarchical design with Bayesian models. Forest Ecology & Management 298:101-110.

Mulvey. R.L., D.M. Shaw, and D.A. Maguire.  2013. Fertilization impacts on Swiss needle cast disease severity in western Oregon. Forest Ecology & Management 287:147-158.

Lam, T.-Y. and D.A. Maguire.  2012. Structural equation modeling: Theory and applications in forest management. International Journal of Forest Research 2012 Article ID 263953, 16 pages, doi: 10.1155/2012/263953.

Zhao, J., D.A. Maguire, D.B. Mainwaring, and A. Kanaskie.  2012.  Climatic influences on needle cohort survival mediated by Swiss needle cast in coastal Douglas-fir.   Trees 26:1361-1371.

Garber, S., T.Y. Lam, and D.A. Maguire. 2011. Growth and mortality of residual Douglas-fir after regeneration harvests under group selection and two-story silvicultural systems. West. J. Appl. For. 26:64-70.

Lam, T.Y. and D.A. Maguire. 2011. Thirteen-year height and diameter growth of Douglas-fir seedlings under alternative regeneration cuts in the Pacific Northwest. West. J. Appl. For. 26:57-63.

Shaw, D.C., G.M. Filip, A. Kanaskie, D.A. Maguire, and W.A. Littke. 2011. Managing an epidemic of Swiss needle cast in the Douglas-fir region of Oregon: The role of the Swiss Needle Cast Cooperative.  J. For. 109:109-119.

Harrison, R.B., D.A. Maguire, and D. Page-Dumroese. 2011. Maintaining adequate nutrient supply – Principles, decision-support tools, and best management practices.  Pp. 33-42 in S.D. Angima and T.A. Terry (eds). Best management practices for maintaining soil productivity in the Douglas-fir region.  Oregon State University, Corvallis, OR.  EM-9023.

Weiskittel, A..R., D.A. Maguire, R.A. Monserud, and G.P. Johnson. 2010. A hybrid model for intensively managed Douglas-fir plantations in the Pacific Northwest, USA.  European Journal of Forest Research 129:325-338.

Vance, E.D., D.A. Maguire, and R.S. Zalesny.  2010. Research strategies for increasing productivity of intensively managed forest plantations.  Journal of Forestry 108:183-192.

Maguire, D.A. , D.B. Mainwaring, R. Rose, S.M. Garber, and E.J. Dinger.  2009.  Response of coastal Douglas-fir and competing vegetation to repeated and delayed weed control treatments during early plantation development.  Canadian Journal of Forest Research 39:1208-1219.

Keyes, C.R., D.A. Maguire, and J.C. Tappeiner. 2009. Recruitment of ponderosa pine seedlings in the Cascade Range.  Forest Ecology & Management 257:495-501.

Wilson, D.S. and D.A. Maguire.  2009.  Environmental basis of soil-site relationships in ponderosa pine.  Ecological Monographs 79:595-617.

Maguire, D.A., D.B. Mainwaring, R. Rose, S.M. Garber, and E.J. Dinger.  2009.  Response of coastal Douglas-fir and competing vegetation to repeated and delayed weed control treatments during early plantation development.  Canadian Journal of Forest Research 39:1208-1219.

Garber, S.M., R.A. Monserud, and D.A. Maguire.  2008.  Crown recession patterns in three conifer species of the Northern Rocky Mountains.  Forest Science 54:633-646.

Keyes, C.R., and D.A. Maguire.  2008.  Some shrub shading effects on the mid-summer microenvironment of ponderosa pine seedlings in central Oregon.  Northwest Science 82:245-250.

Maguire, C.C., D.A. Maguire, T.E. Manning, S.M. Garber, and M.W. Ritchie.  2008.  Response of small mammals to alternative stand structures in the mixed conifer forest of northeastern California.  Canadian Journal of Forest Research 38:943-955.

Weiskittel, A.R., H. Temesgen, D.S. Wilson, and D.A. Maguire.  2008.  Sources of within- and between-stand variability in specific leaf area of three ecologically distinct conifer species.  Annals of Forest Science 65:14-23.

Moore, J.R., and D.A. Maguire.  2008.  Simulating the dynamic behavior of Douglas-fir trees under applied loads by the finite element method.  Tree Physiology 28:75-83.

Weiskittel, A.R., D.A. Maguire, and R.A. Monserud. 2007. Response of branch growth and mortality to silvicultural treatments in coastal Douglas-fir plantations: Implications for predicting tree growth. Forest Ecology and Management 251:182-194.

Keyes, C.R. and D.A. Maguire. 2007. Seed rain of ponderosa pine beneath partial overstories. New Forests 34:107-114.

Weiskittel, A.R., D.A. Maguire, and R.A. Monserud. 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 245:96-109.

Maguire, D.A., C.B. Halpern, and D.L. Phillips. 2007. Changes in forest structure following variable-retention harvests in Douglas-fir dominated forests. Forest Ecology and Management 242:708-726.

Weiskittel, A.R. and D.A. Maguire. 2007. Response of Douglas-fir leaf area index and litterfall dynamics to Swiss needle cast in north coastal Oregon, USA. Annals of Forest Science 64:121-132.

Moores, A., K. Puettmann, and D.A. Maguire. 2007. The focus of intensive silvicultural research on coastal Douglas-fir over the last 20 years. Western Journal of Applied Forestry 22:21-28.

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

Maguire, D.A., D. Mainwaring, and C.B. Halpern. 2006. Stand dynamics after variable retention harvesting in mature Douglas-fir forests of western North America. Allgemeine Forst und_Jagdzeitung 177:120-131.

Weiskittel, A.R., D.A. Maguire, S.M. Garber, and A. Kanaskie. 2006. Influence of Swiss needle cast on foliage age class structure and vertical foliage distribution in Douglas-fir plantations of north coastal Oregon. Canadian Journal of Forest Research 36:1497-1508.

Mainwaring, D.B., D.A. Maguire, A. Kanaskie, and J. Brandt. 2005. Growth responses to commercial thinning in Douglas-fir stands with varying severity of Swiss needle cast in Oregon, USA. Canadian Journal of Forest Research 35:2394-2402.

Perakis, S.S., D.A. Maguire, T.D. Bullen, K. Cromack, R.H. Waring, and J.R. Boyle. 2006. Coupled nitrogen and calcium cycles in forest of the Oregon Coast Range. Ecosystems 9:63-74.

Valkonen, S. and D.A. Maguire. 2005. Relationship between seedbed properties and the emergence of spruce germinants in recently cut Norway spruce selection stands in southern Finland. Forest Ecology and Management 210:255-266.

Garber, S.M. and D.A. Maguire. 2005. Vertical trends in maximum branch diameter in two mixed-species spacing trials in the central Oregon Cascades. Canadian Journal of Forest Research 35:295-307.

Moore, J.R. and D.A. Maguire. 2005. Natural sway frequencies and damping ratios of trees: concepts, review, and synthesis of previous studies. Trees 19:363-373.

Recent Theses

Lam, Tzeng Yih. 2010. Exploration of statistical methods for synthesizing the effects of variable-retention harvesting on multiple taxa. PhD. Oregon State University.

Kiser, James D.  2009. The effects of mechanical damage on residual coastal Douglas-fir (Pseudotsuga menziesii [Mirbel] Franco) following commercial thinning. PhD. Oregon State University.  

Weiskittel, Aaron R.  2003. Alterations in Douglas-fir crown structure, morphology, and dynamics imposed by the Swiss needle cast disease in the Oregon Coast Range. MS. Oregon State University.