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Research Branch Staff Publications - George Harper

  • Boateng, J.O., J.L. Heineman, L. Bedford, G.J. Harper, and A.F. Linnell Nemec. 2009. Long-term effects of site preparation and postplanting vegetation control on Picea glauca survival, growth and predicted yield in boreal British Columbia. Scandinavian Journal of Forest Research. 24(2): 111-129.
  • Harper, G.J., M. O'Neill, P.P. Fielder, T.A. Newsome, and S.C. DeLong. 2009. Lodgepole pine growth as a function of competition and canopy light environment within aspen dominated mixedwoods of central interior British Columbia. For. Ecol. Manag. 257(8): 1829-1838.
  • G.J. Harper and K.R. Polsson 2007. Modelling Boreal Mixedwoods with the Tree and Stand Simulator (TASS). B.C. Ministry of Forests and Range, Victoria, B.C. Extension Note 80.
  • Harper, G.J., P.G. Comeau and B.S. Biring. 2005. A comparison of herbicide and mulch mat treatments for reducing grass, herb and shrub competition in the B.C. Interior Douglas-fir zone - Ten year results. West. J. Appl. For. 20(3): 167-178.
  • Harper, G.J., and R. Kabzems. 2003. Growing-space management in Boreal mixedwood forests - The establishment of EP 1192.01, Fort Nelson River site. Extension Note 64. B.C. Min. For., Victoria, B.C.
  • Conlin, T., Harper, G.J. and Comeau, P.G. 2000. Evaluation of the effectiveness of Chondrostereum purpureum for the control of mechanically brushed trembling aspen suckers in a 2-year-old conifer plantation: Third-year results. British Columbia Ministry of Forests Research Program, Extension Note 49. 4 p.
  • Comeau, P.G., B.S. Biring, and G.J. Harper 2000. Effectiveness of Repeated Manual Cutting and Glyphosate for Release of Engelmann Spruce from Mixed-Shrub Herb Vegetation West. J. Appl. For. 15(3): 154-162.
  • Comeau, P.G., B.S. Biring, and G.J. Harper. 2000. Conifer Response to Brushing Treatments: A Summary of British Columbia Data. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 41.
  • Harper, G.J., C. Pehl, P.G. Comeau, and J. Boateng. 1999. A provincial correlation of regional forest vegetation potential and brush hazard interpretations. Res. Br., B.C. Min. For., Victoria, B.C. Working Paper 41.
  • Harper, G.J., P.G. Comeau, W. Hintz, R.E. Wall, R. Prasad, and E.M. Becker. 1999. Chondrostereum purpureum as a biological control agent in forest vegetation management. II. Efficacy on Sitka alder and aspen in western Canada. Can. J. For. Res. 29: 852-858.
  • Thompson, C.F., P. Bauer, and G.J. Harper. 1998. Ten-year results from a Motor-Manual Brushing Trial for Conifer Release in the ICHdw. Unpublished Internal EP 1195 File Report. B.C. Min For., Res. Br., Victoria, B.C.
  • Mustard, J. and G. Harper. 1998. A summary of the available information on the height to diameter ratio. Unpublished File Report. July 1998. B.C. Min. For., Res. Br,, Victoria, B.C.
  • Whitehead, R. and G.J. Harper. 1998. A comparison of four treatments for weeding Engelmann spruce plantations in the interior cedar hemlock zone of British Columbia: ten years after treatment. Information Report; BC-X-379. Can. For. Serv., Pac. For. Cent., Victoria, B.C.
  • Harper, G.J., R. Whitehead, and C.F. Thompson. 1998. A comparison of manual brushing treatments in the ICHdw at Redfish Creek: 10-year results from blocks 10-13. Extension Note 20. B.C. Min. For., Victoria, B.C.
  • Harper, G., P. Comeau, and B. Biring. 1998. Testing forest vegetation management options. Poster summary In R.G. Wagner, and D.G. Thompson (comp.). 1998. Third International Conference on Forest Vegetation Management: Popular summaries. Ont. Min. Nat. Resour., Ont. For. Res. Inst., For. Res. Info. Pap. No. 141 p. 423.
  • Harper, G.J., P.G. Comeau, and W. E. Hintz, R. E. Wall, R. Prasad and E. M. Becker. 1998. Second-season efficacy results of Chondrostereum purpureum applications on Aspen and Sitka alder in British Columbia. In R.G. Wagner, and D.G. Thompson (comp.). 1998. Third International Conference on Forest Vegetation Management: Popular summaries. Ont. Min. Nat. Resour., Ont. For. Res. Inst., For. Res. Info. Pap. No. 141 p. 121.
  • Harper, G.J., P.G. Comeau, B.S. Biring, W.J. Reid, and P. Fielder. 1998. A comparison of mulch mat and herbicide treatments for reducing grass competition in the IDFww. Extension Note 27. B.C. Min. For., Victoria, B.C.
  • Harper, G.J., L.J. Herring, and W.J. Hays-Byl. 1997. Conifer and vegetation response in the BWBSmw 12 years after mechanical and herbicide site preparation. Working Paper 29. B.C. Min. For., Victoria, B.C.
  • Harper, G.J., B.S. Biring, and J. Heineman. 1997. Mackay River herbicide trial: conifer response 9 years post-treatment. Research Report 11. B.C. Min. For., Victoria, B.C.
  • Comeau, P.G., B.S. Biring, G.J. Harper, W.J. Reid, and P. Fielder. 1997. Effectiveness of repeated manual cutting for release of Engelmann spruce from mixed-shrub communities in the Revelstoke District. EP 1135.01 Draft Fifth Year Progress Report.
  • Comeau, P.G., G.J. Harper, B.S. Biring, P. Fielder, and W. Reid. 1997. Effects of red alder on stand dynamics and nitrogen availability (FRBC Project HQ96400-RE MOF EP1121.01). B.C. Min. For., Res. Br., Victoria. Extension Note 09. 6 p.
  • Comeau, P.G. and G.J. Harper (editors). 1997. Expert Committee on Weeds - Proceedings of the 1996 National Meeting. December 9-12, 1996, Victoria. B.C. Min. For., Victoria. 226 p.
  • Harper, G.J., P.G. Comeau, W. Hintz, R. Wall, and R. Prasad. 1997. First-season efficacy results for Chondrostereum purpureum applications on Sitka alder in B.C. In P.G. Comeau, and G.J. Harper (editors). 1997. Expert Committee on Weeds - Proceedings of the 1996 National Meeting. December 9-12, 1996, Victoria. B.C. Min. For., Victoria. pp. 157-160.
  • Harper, G., P. Comeau, R. Wall, W. Hintz, and R. Prasad. 1996. An evaluation of Chondrostereum purpureum for the control of aspen and Sitka alder. E.P. 1135.05 Establishment and First Year Progress Report. B.C. Min. For.
  • Comeau, P.G., G. Harper, B. Biring, J. Boateng, and B.D'Anjou. 1996. A comparison of mulch mats and herbicide treatments for reducing grass competition in the IDFww. B.C. Min. For., EP 1135.03 Establishment and First Year Progress Report
  • Comeau, P.G., G.J. Harper, B.S. Biring, and C.F. Thompson. 1996. Effectiveness of repeated manual cutting for release of Engelmann spruce from mixed-shrub communities in the Revelstoke District. EP 1135.01 Draft Third Year Progress Report.
  • Comeau, P.G., C.F. Thompson, G.J. Harper, and B.S. Biring. 1996. Effectiveness of repeated manual cutting for release of Engelmann spruce from mixed-shrub communities in the Revelstoke District. EP 1135.01 Establishment and Progress Report.
  • Harper, G.J., L.J. Herring, and W.J. Hays-Byl. 1996. Stewart Lake herbicide trial - Conifer response 12 years post treatment. Research Report, Expert Committee on Weeds, 1996 National Meeting, December 9-12, Victoria.
  • Harper, G.J., B.S. Biring, and J. Heineman. 1996. Mackay River herbicide trial - Conifer response 9 years post treatment. Research Report, Expert Committee on Weeds, 1996 National Meeting, December 9-12, Victoria.
  • Harper, G.J. and C. Thompson. 1996. Physiological component of the Nelson Forest Region multifactor manual brushing trial - Bigger Creek site. Research Report, Expert Committee on Weeds, 1996 National Meeting, December 9-12, Victoria.
  • Comeau, P.G., G.J. Harper, M. Blache, J.O. Boateng, and K.D. Thomas (editors). 1996. Ecology and management of B.C. hardwoods. Workshop Proceedings, December 1-2, 1993, Richmond, B.C. B.C. Min. For., FRDA Report 255. 246 p.
  • Comeau, P.G., G.J. Harper, M. Blache, J.O. Boateng, and L. Gilkeson (editors). 1996. Integrated forest vegetation management: Options and applications. Proceedings of the fifth B.C. Forest Vegetation Management Workshop, November 29 and 30, 1993, Richmond, B.C. B.C. Min. For., FRDA Report 251. 146 p.
  • Comeau, P.G., G.J. Harper, B.S. Biring, and K.D. Thomas. 1996. Field studies of red alder - conifer mixtures. In P.G. Comeau and K.D. Thomas. 1996. Designing mixedwood experiments. Workshop Proceedings, March 2, 1995. Richmond, B.C. B.C. Min. For. Working Paper 20. pp. 1-7.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1996. Effectiveness of repeated cutting and Vision treatments for controlling mixed shrub vegetation - crop response. Western Research Report, Expert Committee on Weeds, National Meeting, December 9-12, 1996, Victoria. pp. 335-336.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1996. Effectiveness of repeated cutting and Vision treatments for controlling mixed shrub vegetation. Western Research Report, Expert Committee on Weeds, National Meeting, December 9-12, 1996, Victoria. pp. 336-337.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1996. Effectiveness of plastic mulch and herbicide treatments for establishing Douglas-fir on a grassy site. Western Research Report, Expert Committee on Weeds, National Meeting, December 9-12, 1996, Victoria. pp. 334-335.
  • Harper, G.J. and P.G. Comeau. 1996. Conifer tolerance to Vision herbicide application in the year of planting. Western Research Report, Expert Committee on Weeds, National Meeting, December 9-12, 1996, Victoria. p. 337.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1996. Effectiveness of tree mats, hexazinone, and glyphosate for establishing Douglas-fir on a grassy site. Western Research Report, Expert Committee on Weeds, National Meeting, December 9-12, 1996, Victoria. p. 334.
  • Comeau, P.G. and G.J. Harper. 1996. Testing Forest Vegetation Management Options. In P.G. Comeau, G.J. Harper, M.E. Blache, J.O. Boateng, and L.A. Gilkeson. Integrated Forest Vegetation Management: Options and Applications. Proceedings of the fifth B.C. Forest Vegetation Management Workshop, November 29-30, 1993, Richmond, B.C. B.C. Min. For., FRDA Report 251. pp. 101-104.
  • Harper, G.J., P.G. Comeau, B.S. Biring, and S. Andersson. 1996. Testing forest vegetation management options. In P.G. Comeau, and G.J. Harper (editors). 1997. Expert Committee on Weeds - Proceedings of the 1996 National Meeting. December 9-12, 1996, Victoria. B.C. Min. For., Victoria. pp. 191-193.
  • Comeau, P.G., G.J. Harper, B. Biring, and K. Thomas. 1996. Effects of red alder on stand dynamics and nitrogen availability (EP1121). In P.G. Comeau, K. Thomas, and J. Boateng.1996. Silviculture of boreal and temperate broadleaved-conifer mixtures. Workshop Proceedings, February 28 and March 1, 1995. Richmond, B.C. B.C. Min. For. Land Manage. Handbk 36. pp. 144-148.
  • Comeau, P., G. Harper, B. Biring, and J. Boateng. 1995. Conifer response to brushing and development of a provincial system for vegetation management monitoring in B.C. In Proceedings: Northern Interior Vegetation Management Association (NIVMA) Annual General Meeting, January 18-19, 1995, Williams Lake, B.C. Craig Farnden, Can. For. Serv., Prince George District Office (editor), pp 12-16.
  • Harper, G., P.G. Comeau, J. Pollack, and C.F. Thompson. 1995. Physiological Component of the Nelson Forest Region Multifactor Manual Brushing Study - Destructive sampling to determine the effects of manual brushing on the physiology and growth response of conifer seedlings. EP 1199 (BC FR 57) Working Plan., B.C. Min. For., Res.Br.
  • Harper, G. and B. Biring. 1995. Remeasurement of vegetation managment trials 5+ years post treatment. EP 1195 Working Plan., B.C. Min.For., Res. Br.
  • Comeau, P.G., G.J. Harper, B. D'Anjou, and B.S. Biring. 1995. Effects of Red alder density on conifer growth and nitrogen availability: A summary of results through 1994. Draft Progress Report.
  • Comeau, P.G., G.J. Harper, and B. D'Anjou. 1995. Effects of red alder on stand dynamics and nitrogen availability - EP1121. B.C. Min. For. FRDA Research Memo No. 223. 6 p.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1995. Effectiveness of tree mats, hexazinone, and glyphosate for establishing Douglas-fir on a grassy site. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, November 29 - December 1, 1995, Montreal. pp. 488-489.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1995. Effectiveness of repeated cutting and Vision treatments for controlling mixed shrub vegetation - crop response. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, November 29 - December 1, 1995, Montreal. pp. 490-491.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1995. Effectiveness of repeated cutting and Vision treatments for controlling mixed shrub vegetation. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, November 29 - December 1, 1995, Montreal. pp. 489-490.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1995. Effectiveness of plastic mulch and herbicide treatments for establishing Douglas-fir on a grassy site. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, November 29 - December 1, 1995, Montreal. pp. 486-488.
  • Harper, G., P. Comeau, B. Biring and B. D'Anjou. 1994. Conifer tolerance to Vision herbicide application in the year of planting. B.C. Min. For., Res. Br., Victoria, B.C., SX93701Q Establish. and 1st Yr. Prog. Rep.
  • Harper, G. and R. Whitehead. 1994. Evaluation of forest vegetation community dynamics, biodiversity and wildlife forage values 8 years after herbicide and manual brushing treatments on the Bush River Brushing Trial site. EP 1179 (BCFR 62) Working Plan., B.C. Min.For., Res. Br.
  • Harper, G.J. and R.J. Whitehead. 1994. Comparison of 4 treatment options for weeding shrub dominated spruce plantations. Expert Committee on Weeds, Research Report, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask., Vol 2, p. 1014.
  • Harper, G.J., C.F. Thompson, and J. Pollack. 1994. Multifactor manual brushing study - Bigger Creek site, Nelson Forest Region. Expert Committee on Weeds, Research Report, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask., Vol 2, p. 1014.
  • Harper, G.J., P.G. Comeau, and B. D'Anjou. 1994. Conifer tolerance to Vision herbicide application in the year of planting. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask. 2:1015.
  • Comeau, P.G., G.J. Harper, and C.F. Thompson. 1994. Effectiveness of repeated cutting and Vision treatments for controlling mixed shrub vegetation. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask. 2:1010.
  • Comeau, P.G., G.J. Harper, and C.F. Thompson. 1994. Effectiveness of repeated cutting and Vision treatments for controlling mixed shrub vegetation - crop response. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask. 2:1010.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1994. Effectiveness of plastic mulch and herbicide treatments for establishing Douglas-fir on a grassy site. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask. 2:1012.
  • Comeau, P.G., G.J. Harper, and B.S. Biring. 1994. Effectiveness of tree mats, hexazinone, and glyphosate for establishing Douglas-fir on a grassy site. Research Report, Expert Committee on Weeds, Western Canada Section Meeting, December 5-8, 1994, Saskatoon, Sask. 2:1011-1012.
  • Halter, M.R., C.P. Chanway and G.J. Harper. 1993. Growth reduction and root deformation of containerized lodgepole pine saplings 11 years after planting. For. Ecol. Manage., 56: pp. 131-146.
  • Camm, E.L., G.J. Harper, S.I.Rosenthal and D.M. Camm. 1993. Effect of photon flux density on carbon assimilation and chlorophyll a fluorescence of cold-stored white spruce and lodgepole pine seedlings. Tree Physiol. 12, pp. 185-194.
  • Comeau, P.G., B.S. Biring, J.O. Boateng, and G.J. Harper. 1993. A vegetation management monitoring system for British Columbia. B.C. Min. For., Victoria, B.C. Draft October 27, 1993.
  • Harper, G.J. and E.L. Camm. 1993. Effects of frozen storage duration and soil temperature on the stomatal conductance and net photosynthesis of Picea glauca seedlings. Can. J. For. Res. 23: 2459-2466.
  • Comeau, P., R. Wall, G. Harper, and J. Boateng. 1992. Comparison of manual, biological and herbicide treatments for controlling bigleaf maple. EP 1135.02 Working Plan.
  • Comeau, P.G., G. Harper, J. Boateng, and B.D'Anjou. 1992. A comparison of mulch mats and herbicide treatments for reducing grass competition in the IDFww. B.C. Min. For., EP 1135.03 Working Plan.
  • Camm, E.L. and G.J. Harper. 1991. Temporal variations in cold sensitivity of root growth in cold-stored white spruce seedlings. Tree Physiol. 9:425-431.

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