| Growth reduction and root deformation of containerized lodgepole pine saplings 11 years after planting MR Halter, CP Chanway, GJ Harper Forest Ecology and Management 56 (1-4), 131-146, 1993 | 81 | 1993 |
| Chondrostereum purpureum as a biological control agent in forest vegetation management. II. Efficacy on Sitka alder and aspen in western Canada GJ Harper, PG Comeau, W Hintz, RE Wall, R Prasad, EM Becker Canadian Journal of Forest Research 29 (7), 852-858, 1999 | 66 | 1999 |
| Long-term effects of site preparation and postplanting vegetation control on Picea glauca survival, growth and predicted yield in boreal British Columbia JO Boateng, JL Heineman, L Bedford, GJ Harper, AF Linnell Nemec Scandinavian Journal of Forest Research 24 (2), 111-129, 2009 | 49 | 2009 |
| A comparison of herbicide and mulch mat treatments for reducing grass, herb, and shrub competition in the BC interior Douglas-fir zone—ten-year results GJ Harper, PG Comeau, BS Biring Western Journal of Applied Forestry 20 (3), 167-176, 2005 | 33 | 2005 |
| Effects of frozen storage duration and soil temperature on the stomatal conductance and net photosynthesis of Piceaglauca seedlings GJ Harper, EL Camm Canadian Journal of Forest Research 23 (12), 2459-2466, 1993 | 26 | 1993 |
| Temporal variations in cold sensitivity of root growth in cold-stored white spruce seedlings EL Camm, GJ Harper Tree Physiology 9 (3), 425-431, 1991 | 24 | 1991 |
| Quantifying branch, crown and bole development in Populus tremuloides Michx. from north-eastern British Columbia GJ Harper Forest ecology and management 255 (7), 2286-2296, 2008 | 20 | 2008 |
| Conifer and vegetation response in the BWBSmw1 12 years after mechanical and herbicide site preparation. GJ Harper, LJ Herring, WJ Hays-Byl | 16 | 1997 |
| Conifer response to brushing treatments: a summary of British Columbia data. PG Comeau, BS Biring, GJ Harper | 15 | 1999 |
| Lodgepole pine growth as a function of competition and canopy light environment within aspen dominated mixedwoods of central interior British Columbia G Harper, M O’Neill, P Fielder, T Newsome, C DeLong Forest Ecology and Management 257 (8), 1829-1838, 2009 | 14 | 2009 |
| Eighteen-year growth responses to thinning and fertilization of a height-repressed lodgepole pine stand in interior British Columbia C Prescott, L deMontigny, G Harper The Forestry Chronicle 95 (3), 207-221, 2019 | 13 | 2019 |
| Growing space management in boreal mixedwood forests: 11-year results RD Kabzems, G Harper, P Fielder Western Journal of Applied Forestry 26 (2), 82-90, 2011 | 13* | 2011 |
| Effectiveness of repeated manual cutting and glyphosate for release of Engelmann Spruce from mixed-shrub herb vegetation PG Comeau, BS Biring, GJ Harper Western Journal of Applied Forestry 15 (3), 154-162, 2000 | 13 | 2000 |
| A summary of the available information on height to diameter ratio J Mustard, G Harper BC Ministry of Forests. Victoria, BC, 1998 | 12 | 1998 |
| Effect of photon flux density on carbon assimilation and chlorophyll a fluorescence of cold-stored white spruce and lodgepole pine seedlings EL Camm, GJ Harper, SI Rosenthal, DM Camm Tree physiology 12 (2), 185-194, 1993 | 12 | 1993 |
| Effects of red alder on growth of Douglas-fir and western redcedar in southwestern British Columbia C Fang, PG Comeau, GJ Harper Forest Ecology and Management 434, 244-254, 2019 | 10 | 2019 |
| A comparison of four treatments for weeding Engelmann spruce plantations in the interior Cedar Hemlock zone of British Columbia: ten years after treatment. RJ Whitehead, GJ Harper | 10 | 1998 |
| Effects of vegetation control treatments for release of Engelmann spruce from a mixed-shrub community in southern British Columbia Year 15 results PG Comeau, GJ Harper The Forestry Chronicle 85 (4), 583-592, 2009 | 9 | 2009 |
| Red alder management trials in the Vancouver Forest Region PJ Courtin, KR Brown, GJ Harper British Columbia Forest Service, Vancouver Forest Region, 2002 | 7 | 2002 |
| Modelling vegetation management treatments with the Tree and Stand Simulator GJ Harper, K Polsson, J Goudie The Forestry Chronicle 84 (1), 53-59, 2008 | 5 | 2008 |
