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Graduate Students






Expected Graduation

Peter Birks

Matt Gocke

Karin Hess

Robert Jetton

David Gadd

Leslie Newton

Jamie Schuler

Jim Bridges

Tzu-Ming Liu

M. Khairul Islam

Chris Miller

Ben Brazell









Visiting Scholar




Characterization of Sweetgum Families

Rooted Cuttings Research (advise with B. Goldfarb)

Laboratory / Field Work; Sycamore Decline Survey

Insect Resistance of Sweetgum and Sycamore

Laboratory / Field Work

Natural Stand Thinning

Response of Young Stands to Thinning

Laboratory / Field Work

Summer Work

Agroforestry in Bangladesh

Field Work

Seedling Screening of Four Species


Dept. For./ HRC


HRC / Dept. For.


HRC / Union Camp



National Taiwan Univ.


Dept. For./HRC


Aug. 2001

May 2002

Dec. 2001


Dec. 2001

Aug. 2002



May 2001


Dec. 2001


Publications/Theses/Dissertations/Reports (Abstracts)

  For more information, or to obtain a copy of publication, contact the Hardwood Research Cooperative


Recent Publictions of HRC Staff and Students


Schuler, J. and D. Robison. 2001. Response of 1 to 4-year-old upland hardwood stands to stocking and site manipulations. In: Proc. 11th Biennial Southern silviculture Research Conf., 20-22 March 2001, Knoxville, TN. In press.

Chang, S. and D. Robison. 2001. Genotype x fertility interactions in seedling sweetgum. In: Proc. 11th Biennial Southern Silviculture Research Conf., 20-22 March 2001, Knoxville, TN. In press.

Chang, S., D. Robison and M. Young. 2001. Annual, seasonal and crown position variation in sweetgum foliar nutrient. In: Proc. 11th Biennial Southern Silviculture Research Conf., 20-22 March 2001, Knoxville, TN. In press.

Newton, L., D. Robison, G. Hansen and H. Allen. 2001. Fertilization and thinning in a 7-year-old natural hardwood stand in eastern North Carolina. In: Proc. 11th Biennial Southern Silviculture Research Conf., 20-22 March 2001, Knoxville, TN. In press.

Rapp, J., T. Shear and D. Robison. 2001. Vegetation, soil and groundwater in a southeastern blackwater forest eight years after helicopter and skidder logging. For – For. Ecol. Mgmt. In press.

Tharakan, P., D. Robison, L. Abrahamson and C. Nowak. 2001. Multivariate approach for rapid and comprehensive evaluation of clonal biomass production potential. Biomass and Bioenergy. In press.

Pike, C., D. Robison and L. Abrahamson. 2001. Black oak decline on NY’s Long Island 1991-1996. USDA For. Serv., NE S&PF, Radnor, PA. In press.


Robison, D., S. Chang and P. Birks. 1999. The Hardwood Research Cooperative program and NC State University. In: Proc. 1999 Soc. Amer. For. Nat. Mtg., Portland, OR. Sept. 11-15, 1999. SAF Pub. 00-1:558-559.

Bledsoe, B. and T.H. Shear. 2000. Vegetation along hydrologic and edaphic gradients in a North Carolina coastal plain creek bottom and implications for restoration. Wetlands 20(1):126-147.

Rauscher, M., M.J. Young, C.D. Webb and D.J. Robison. 2000. Testing the accuracy of growth and yield models for southern hardwood forests. So, J. Appl. For. 24:176-185.

Tharakan, P., C. Nowak, L. Abrahamson, D. Robison, J. Isebrands, T. Volk and E. White. 2000. Coppice effects on willow and poplar stem attributes and biomass production. In: Proc. Bioenergy 2000, 15-19 October 2000, Buffalo, NY. USDOE NE Regional Biomass Program. 10 pp.

Robison, D. 2000. Enhancing the wood products trade between the U.S. and Africa – focus on Ghana. Sylvanet 13(1):6-7.

Robison, D. 2000. The context and development of forestry education in Israel: an NC State connection. Sylvanet 13(3):1-3.


Birks, P. and D. Robison. 1999. Screening sweetgum seedling families for growth and stress response. In: Proc. 25th So For. Tree Imprv. Conf, 11-14July 1999, New Orleans LA. pp. 36-39

Patti, H., J. Stuckey, and T. Shear. 1999. Regression equations for estimating Ilex opaca biomass. Castanea 64:350-354

Rapp, J.M., T.H. Shear and D.J. Robison. 1999. Soil, groundwater, and floristics in a southeastern United States blackwater swamp eight years after clearcut with skidder and helicopter logging. IN: Proceedings 10th Biennial Southern Silviculture Research Conference, 16-18 February 1999, Shreveport, LA. pp. 302-306.

Robison, D., N. Hascoat, P. Birks, M. Cunningham and P. Winski. 1999. Optimizing sweetgum rooted cutting technology. In: Proc. 25th So. Forest Tree Imprv. Conf., 11-14 July 1999, New Orleans, LA. pp. 223.

Romagosa, M. and D.J. Robison. 1999. Biological constraints on the early growth of natural hardwood regeneration following clearcutting on three NC Piedmont sites. IN: Proceedings 10th Biennial Southern Silviculture Research Conference, 16-18 February 1999, Shreveport, LA. Pp. 39-42.

Solomon, J. 1999. A literature review of the causes and potential management of a region-wide sycamore dieback syndrome. NC State University - Hardwood Research Cooperative Report. 32 pp.

Rapp, J. 1999. Soil, groundwater, and floristics of a southeastern United States blackwater swamp eight years after helicopter and skidder harvesting. M.S. Thesis, N.C. State Univ., Raleigh, NC. 67 pp.

Romagosa, M. 1999. An evaluation of biological constraints to the early growth of hardwoods on North Carolina Piedmont clearcuts. M.S. Thesis, N.C. State Univ., Raleigh, NC. 102 pp.

Shear, T.H. and M.M. Mckinney. 1999. Effects of clearcutting and selective harvesting on hardwood forest understories –1st year results. Proc. 1st No. Amer. For. Ecology Workshop, 24-26 June 1997, Raleigh, NC.


Robison, D., B. Goldfarb and B. Li. 1998. Advancing hardwood production forestry. PaperAge (May 1998) 114:22-24.

Abrahamson, L., D. Robison, T. Volk, E. White, E. Neuhauser, W. Benjamin and J. Peterson. 1998. Sustainability and environmental issues associated with willow bioenergy development in New York (USA). Biomass and Bioenergy 15:17-22.

Kellison, R. 1998. Wood supply in the United States: past, present and future. TAPPI 1998 Pulping Conf., Montreal, Canada. TAPPI Pub. 6 pp.

Kellison, R., M. Young, R. Braham and E. Jones. 1998. Major alluvial floodplains. In: Southern Forested Wetlands. CRC Press, Boca Raton, FL. pp. 291-324.

Klepzig, K., D. Robison, E. Smalley and K. Raffa. 1998. Effects of feeding by two folivorous arthropods on susceptibility of hybrid poplar clones to a foliar pathogen. Grt. Lakes Entomol. 30:99-104.

Robison, D. and K. Raffa. 1998. Productivity, drought tolerance and pest status of hybrid Populus: tree improvement and silvicultural implications. Biomass and Bioenergy 14:1-20.

Robison, D., L. Abrahamson, K. Raffa and E. White. 1998. Spruce budworm (Lepidoptera: Tortricidae) field fecundity: new insights into its estimation and use. For. Ecol. Manage. 106:73-81.

Robison, D. 1998. Forest industry opportunities to benefit from and contribute to bioenergy business development. In: Proc. Bioenergy ’98, 4-8 Oct. 1998, Madison, WI. Grt. Lakes Regional Biomass Energy Program, USDOE. Vol. II:240-242.

Tharakan, P., L. Abrahamson, J. Isebrands and D. Robison. 1998. First year growth and development of willow and poplar biomass energy crops as related to foliar characteristics. In: Proc. Bioenergy ’98, 4-8 Oct. 1998, Madison, WI. Grt. Lakes Regional Biomass Energy Program, USDOE. Vol. II:1170-1179.

Guidry, J. 1998. Ecological restoration of a North Carolina peatland. M.S. Thesis, N.C. State. Univ., Raleigh, NC. 127 pp.

Hardwood Research Cooperative. 1998. Suppliers of hardwood tree seedlings and seed for forest planting in the SE. Dept. of For., N.C. State Univ., Raleigh, NC. Misc. Bull. HRC-P98-1. 11 pp.


Beissel, K. and T. Shear. 1997. Comparison of the vegetational, hydrologic and edaphic characteristics of riverine forested wetlands on the North Carolina coastal plain. Transportation Res. Record 1601:42-48.

Kellison, R. 1997. Production forestry into the 21st century: a world view. In: Proc. 24th So. For. Tree Improvement Conf., June 1997, Orlando, FL. pp. 3-10.

Kellison, R. and M. Young. 1997. The bottomland hardwood forests of the southern United States. For. Ecol. Manage. 90:101-115.

McTague, J., M. Young and D. Robison. 1997. Growth and yield of sweetgum and sycamore plantations. Hardwood Research Cooperative, Dept. of For., NC State Univ., Raleigh, NC. HRC Tech. Bull. P97-2. 26 pp.

Young, M. and D. Robison. 1997. Two-year growth, foliar nutrient and leaf area responses of sweetgum plantations to macro- and micro-nutrients (Individual study summaries, HRC RW-46). Hardwood Research Cooperative, Dept. of For., N.C. State Univ., Raleigh, NC. HRC Tech. Bull. P97-1. 55 pp.

Porter, K.A. 1997. Productivity and leaf area relationships in Southeastern hardwood plantations, M.S. Thesis, N.C. State Univ., Raleigh, NC. 37 pp.

Mewborn, C. 1997. The effects of cultural treatments on the productivity of coppiced American sycamore. M.S. Thesis, N.C. State Univ., Raleigh, NC.

Mewborn, B. 1997. Nutrition, leaf area, and productivity relationships in mid-rotation hardwood plantations. M.S. Thesis, N.C. State Univ., Raleigh, NC.

Robison, D., E. White, M. Czapowskyj, D. Solomon and B. Blum. 1997. Long-term mensurational, foliar nutrient, and site responses of black spruce, Picea mariana, to silvicultural treatments in northern Maine. NY Center for For. Res. Dev., SUNY-ESF, Syracuse, NY. 24 pp.

Shear, T., M. Young and R. Kellison, 1997. Old red river bottom forests of the southeastern United States. J. Torrey Bot. Soc.

Shear, T., M. Young and R. Kellison. 1997. An old-growth definition for red river bottom forests in the eastern United States. USDA For. Serv., So. Res. Stn., Asheville, NC. Gen. Tech. Rep. SRS-10. 9 pp.


Other Publications

To See Abstract, Click on Title

A Field Evaluation of the Effects of Shade on Northern Red Oak Seedling Carbon Balance and Growth - Jennifer Leigh Jennings (1996)

An Evaluation of Biological Constraints to the Early Growth of Hardwoods on North Carolina Piedmont Clearcuts - Mark Anthony Romagosa (1999)

An Evaluation of Two Regeneration Methods in Restoring the Structure, Composition, and Wildlife Value of a Mature Bottomland Hardwood Forest - Thomas John Lent (1994)

Assessment of Sediment Accumulation in Restored Bottomland Hardwood Forest Stands Using Cesium-137 As a Soil Tracer - Kevin T. Nunnery (1993)

Clearcutting and Breeding Bird Communities in a Water Tupelo-Bald Cypress Wetland - Nancy Elizabeth Thompson (1995)

Density and Cutting Height Effects on the Herbage Mass of Three Tree Legumes Grown for Meat Goat Production - Benjamin Jacob Addlestone (1996)

Effect of Microtopography on the Natural Regeneration of Prior Converted Wetlands - Jimmy Dwight McKinney, Jr. (1997)

Effects of Clearcutting and Selective Harvesting on Hardwood Forest Understories - Mary-Margaret Sykes Mckinney (1996)

Evaluation of the Potential of Clonal Forestry for a Population of American Sycamore - Michael W. Cunningham (1986)

Managing Hardwood Forests for Timber and Wildlife in the Southeast Piedmont: An Analysis of Tradeoffs - Laura Ann Lombardo (1996)

Natural Regeneration of Atlantic White Cedar in the Great Dismal Swamp - Susan Elizabeth Moore (1996)

Nodular Culture and Agrobacterium-Mediated Transformation for Transgenic Plant Production in Liquidambar Styraciflua L. - Zenn-Zong Chen (1991)

Propagation of Sweetgum by Stem Cuttings: Impacts of Nitrogen, Photoperiod, Media, Leaf Area, and Cold Storage on Root and Shoot Growth - Heidi Rieckermann (1995)

Regeneration of Atlantic White Cedar at The Alligator River National Wildlife Refuge and Dare County Air Force Bombing Range - Lenwood E. Smith II (1995)

Soil, Groundwater, and Floristics of A Southeastern United States Blackwater Swamp Eight Years After Helicopter and Skidder Harvesting - John Michael Rapp (1999)

The Effect of Clearcutting on the Herpetofauna of a South Carolina Blackwater Bottomland - Joseph Patrick Phelps (1993)

Timber Harvesting Effects on Ecosystem Functions in Headwater Forested Wetlands of Southwestern Alabama - Douglas Alan Freese (1994)










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