Research Branch Staff Publications - Gord Nigh

• Nigh, G., L. de Montigny, M. Eng, and R. Archer. 2006. Development of a Research Strategy for Mountain Pine Beetle Issues Associated with Forest Stewardship Division Functions. B.C. Min. For., Res. Br., Victoria, B.C. Tech. Rep. 034.
• Nigh, G.D. 2004. Growth intercept and site series-based estimates of site index for white spruce in the Boreal White and Black Spruce biogeoclimatic zone. Res. Br., B.C. Min. For., Victoria, B.C. Tech. Rep. 13.
• Nigh, G.D. and B.A. Love. 2004. Predicting crown class in three western conifer species. Can. J. For. Res. 34: 592-599.
• Mah, S. and G.D. Nigh. 2003. SIBEC site index estimates in support of forest management in British Columbia. Res. Br., B.C. Min. For., Victoria, B.C. Tech. Rep. 004.
• Nigh, G.D., B.A. Love, and K. Thomas. 2003. A comparison of the time required for two methods of selecting site trees in juvenile stands. North. J. Appl. For. 20: 101-103.
• Nigh, G.D. and M.G.E. Mitchell. 2003. Development of height-age models for estimating juvenile height of coastal Douglas-fir in British Columbia. West. J. Appl. For. 18: 207-212.
• Brisco, D., K. Klinka, and G. Nigh. 2002. Height growth models for western larch in British Columbia. West. J. Appl. For. 17: 66-74.
• Nigh, G.D., P.V. Krestov, and K. Klinka. 2002. Height growth of black spruce in British Columbia. For. Chron. 78: 306-313.
• Nigh, G. 2002. Site index conversion equations for mixed trembling aspen and white spruce stands in northern British Columbia. Silva Fennica 36(4): 789-797.
• Nigh, G.D., P.V. Krestov, and K. Klinka. 2002. Trembling aspen height-age models for British Columbia. Northwest Sci. 76(3): 202-212.
• Nigh, G.D. and K.R. Polsson. 2002. Splicing Height Curves. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note. 60.
• Nigh, G. 2002. Growth Intercept, Years-to-Breast-Height, and Juvenile Height Growth Models for Ponderosa Pine. B.C. Min. For., Technical Report 002.
• Nigh, G.D. and P.J. Martin. 2001. A method to assess the performance of growth intercept models in British Columbia. For. Chron. 77(3): 491-499.
• Nigh, G.D. 2001. Species-independent height-age models for British Columbia. For. Sci. 47(2): 150-157.
• Nigh, G. and K. Klinka 2001. Growth Intercept Models for Black Spruce B.C. Min. For., Res. Prog. Extension Note 57.
• Brunner, A. and G. Nigh. 2000. Light absorption and bole volume growth of individual Douglas-fir trees. Tree Physiol. 20: 323-332.
• Nigh, G.D. 2000. Western redcedar site index models for the interior of British Columbia. B.C. Ministry of Forests, Forest Science Program, Victoria. Research Report 18. 24 p.
• Nigh, G.D. and B.A. Love. 2000. Juvenile height development in interior spruce stands of British Columbia. Western Journal of Applied Forestry 15:117-121.
• Nigh, G.D. and G. Kayahara. 2000. Site index conversion equations for western redcedar and western hemlock. Northwest Science 74:146-150.
• Mitchell, K.J., K.R. Polsson, M. Di Lucca, G.D. Nigh, S.E. Grout, S. Stearns-Smith 2000. SiteTools version 3.2. Online. Ministry of Forests, Research Branch, Victoria B.C. Available: http://www.for.gov.bc.ca/hre/sitetool/. July 2000.
• Mitchell, K.J., M. Stone, S.E. Grout, K.R. Polsson, M. Di Lucca, G.D. Nigh, J.W. Goudie, J.N. Stone, A.F. Nussbaum, A. Yanchuk, S. Stearns-Smith, R. Brockley 2000. TIPSY version 3.0. Online. Ministry of Forests, Research Branch, Victoria B.C. Available: http://www.for.gov.bc.ca/hre/gymodels/tipsy/. July 2000.
• Nigh, G.D. and B.A. Love. 1999. How well can we select undamaged site trees for estimating site index? Can. J. For. Res. 29: 1989-1992.
• Nigh, G. and P. Krestov 1999. Site Index Conversion Equations for Mixed Black Spruce - Lodgepole Pine Stands B.C. Min. For., Res. Prog. Extension Note 39.
• Nigh, G., D. Brisco, and D. New 1999. Growth Intercept Models for Western Larch B.C. Min. For., Res. Prog. Extension Note 38.
• Nigh, G.D. and B.A. Love. 1999. A model for estimating juvenile height of lodgepole pine. For. Ecol. Manage. 123: 157-166.
• Nigh, G.D. 1999. Smoothing height estimates from two lodgepole pine height models. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note.30.
• Nigh, G.D. 1999. Years to breast height and green-up age models based on a juvenile height model for lodgepole pine. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note. 31.
• Mitchell, K.J., K.R. Polsson, G.D. Nigh, M. Di Lucca, S.E. Grout, S. Stearns-Smith. 1998. SiteTools version 3.1. Online. Ministry of Forests, Research Branch, Victoria B.C. Available: http://www.for.gov.bc.ca/hre/sitetool/. July 1998.
• Mitchell, K.J., M. Stone, S.E. Grout, K.R. Polsson, M. Di Lucca, G.D. Nigh, J.W. Goudie, J.N. Stone, A.F. Nussbaum. S. Stearns-Smith. 1998. TIPSY version 2.1. Online. Ministry of Forests, Research Branch, Victoria B.C. Available: http://www.for.gov.bc.ca/hre/gymodels/tipsy/. July 1998.
• Nigh, G.D. 1998. Site index adjustments for old-growth stands based on veteran trees. B.C. Min. For., Res. Br., Victoria, B.C. Work. Pap. 36. 17 p.
• Nigh, G.D. 1998. Site index conversion equations for mixed western hemlock-amabilis fir stands. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 26. 4 p.
• Nigh, G.D. 1998. Prediction intervals for estimates of site index based on ecosystem type. Environ. Manage. 22(2): 197-202.
• Nigh, G.D. 1998. A system for estimating height and site index of western hemlock in the interior of British Columbia. For. Chron. 74: 588-596.
• Nigh, G.D. and P.J. Courtin. 1998. Height models for red alder (Alnus rubra Bong). In British Columbia. New For. 16: 59-70.
• Mitchell, K.J., M. Stone, G.D. Nigh, S.E. Grout, J.W. Goudie, J.N. Stone, and A.F. Nussbaum. 1998. TIPSY version 2.1. Online. Min. For., Res. Br., Victoria B.C. Available: Aug. 1998.
• Nigh, G.D., D. Meidinger, and A. Mirza. 1997. SIBEC sampling and data standards. B.C. Min. For. Misc. Rep. No. 75 10p.
• Nigh, G.D. and B.A. Love. 1997. Site index adjustment for old-growth coastal western hemlock stands in the Kalum Forest District. B.C. Min. For., Res. Br., Victoria, B.C. Work. Pap. 27. 13 p.
• Nigh, G.D. 1997. Identifying and modelling the spatial distribution dynamics of regenerating lodgepole pine. B.C. Min. For., Res. Br., Victoria, B.C. Res. Rep. 12. 41 p.
• Nigh, G.D. 1997. Interior Douglas-fir growth intercept models. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 12. 6 p.
• Nigh, G.D. 1997. Revised growth intercept models for lodgepole pine: comparing northern and southern models. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 11. 6 p.
• Nigh, G.D. 1997. Growth intercept models and tables for British Columbia - interior species. 2nd ed. B.C. Min. For., Res. Br., Victoria, B.C. Land Manage. Handb. Field Guide Insert 10. 22 p.
• Nigh, G.D. 1997. Growth intercept models and tables for British Columbia - coastal species. 2nd ed. B.C. Min. For., Res. Br., Victoria, B.C. Land Manage. Handb. Field Guide Insert 9. 14 p.
• Nigh, G.D. 1997. Early height growth and site index of lodgepole pine under wet and dry soil moisture regimes in British Columbia. West. J. Appl. For. 12(1): 5-8.
• Nigh, G.D. 1997. A Sitka spruce height-age model with improved extrapolation properties. For. Chron. 73(3): 363-369.
• Nigh, G.D. 1997. A growth intercept model for coastal Douglas-fir. B.C. Min. For., Res. Br., Victoria, B.C., Res. Rep. 10. 20 p.
• Nigh, G.D. 1996. A variable growth intercept model for spruce in the Sub-Boreal Spruce and Engelmann Spruce - Subalpine Fir biogeoclimatic zones of British Columbia. B.C. Min. For., Res. Br., Victoria, B.C. Res. Rep. 05.20 p.
• Nigh, G.D. 1996. Identification and simulation of the spatial pattern of juvenile lodgepole pine in the sub-boreal spruce biogeoclimatic zone, Stuart dry warm and Babine moist cold variants. B.C. Min. For., Res. Br., Victoria B.C. FRDA Rep. 244. 28 p.
• Nigh, G.D. 1996. A variable growth intercept model for Sitka spruce. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 03. 7 p.
• Nigh, G.D. 1996. Interim validation of the western hemlock growth intercept model. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 04. 3 p.
• Nigh, G.D. 1996. Growth intercept method of determining site index. In: Proc. NIVMA Annual General Meeting, Jan. 24-25, 1996, Smithers, B.C. P. Tollestrup (editor). pp. 1-8.
• Nigh, G.D. and V. Sit. 1996. Validation of forest height-age models. Can. J. For. Res. 26: 810-818.
• Nigh, G.D. 1996. Growth intercept models for species without distinct annual branch whorls: western hemlock. Can. J. For. Res. 26: 1407-1415.
• Nigh, G.D. 1995. Site index conversion equations for mixed species stands. B.C. Min. For., Res. Br., Victoria, B.C. Res. Rep. 01. 20 p.
• Nigh, G.D. 1995. Variable growth intercept models for lodgepole pine in the Sub-Boreal Spruce biogeoclimatic zone, British Columbia. B.C. Min. For., Res. Br., Victoria, B.C. Res. Rep. 02. 22 p.
• Nigh, G.D. 1995. Site index conversion equations for mixed Sitka spruce / western hemlock stands. B.C. Min. For., Res. Br., Victoria, B.C. Ext. Note 02. 3p.
• Nigh, G.D. 1995. Compatibility improvements and bias reduction in height-age models. B.C. Min. For., Res. Br., Victoria, B.C. Res. Rep. 03. 10 p.
• Nigh, G.D. 1995. The geometric mean regression line: a method for developing site index conversion equations for species in mixed stands. For. Sci. 41(1): 84-98.
• Nigh, G.D. 1994. A process-oriented approach to modelling forest tree mortality. Ph.D. Dissert, Univ. Toronto, Toronto, Ont. 138 p.

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