Modeling stand density effects on taper for jack pine and black spruce plantations using dimensional analysis

Forest Science

Volumn 55, Issue 3, 2009, Pages 268-282

  Sharma, Mahadev ^a   Parton, John ^b  

^a ONTARIO FOREST RESEARCH INSTITUTE   (Canada)

^b ONTARIO MINISTRY OF NATURAL RESOURCES   (Canada)

Author keywords

Calibrated response; Fixed response; Mixed effects model; Nonlinear regression; Picea mariana; Pinus banksiana; Stand density; Stem profile models; Thinning; Tree form

Indexed keywords

CALIBRATED RESPONSE; FIXED RESPONSE; MIXED-EFFECTS MODEL; NONLINEAR REGRESSION; PICEA MARIANA; PINUS BANKSIANA; STAND DENSITY; STEM PROFILE MODELS; THINNING; TREE FORM;

NONLINEAR ANALYSIS; NONLINEAR EQUATIONS; VOLUME MEASUREMENT;

FORESTRY;

EQUATIONS; FORESTRY; MEASUREMENT; MODELS; PICEA MARIANA; PINUS BANKSIANA; REGRESSION ANALYSIS; STEMS; THINNING; TREES; VOLUME;

PICEA MARIANA; PINUS BANKSIANA;

EID: 68349139337     PISSN: 0015749X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. Amidon, E.L. 1984. A general taper functional form to predict bole volume for five mixed-conifer species in California. For. Sci. 30:166-171.
2. Avery, T.E., and H.E. Burkhart. 2002. Forest Measurements. 5th ed. McGraw-Hill, New York, NY. 456 p.
3. Burkhart, H.E., and S.B. Walton. 1985. Incorporating crown ratio into taper equations for loblolly pine trees. For. Sci. 31:478-484.
4. Calama, R., and G. Montero. 2004. Interregional nonlinear height-diameter model with random coefficients for stone pine in Spain. Can. J. For. Res. 34:150-163.
5. Cao, Q.V., H.E. Burkhart, and T.A. Max. 1980. Evaluation of two methods for cubic volume prediction of loblolly pine to any merchantable limit. For. Sci. 26:71-80.
6. Czaplewski, R.L., and J.P. Mc. Clure. 1988. Conditioning a segmented stem profile model for two diameter measurements. For. Sci. 34:512-522.
7. Demaerschalk, J.P., and A. Kozak. 1977. The whole bole system: A conditioned dual equation system for precise prediction of tree profiles. Can. J. For. Res. 7:488-497.
8. Fang, Z., and R.L. Bailey. 2001. Nonlinear mixed-effects modeling for slash pine dominant height growth following intensive silviculture treatments. For. Sci. 47:287-300.
9. Fang, Z., Borders, B.E., and Bailey, R.L. 2000. Compatible volume-taper models for loblolly and slash pine based on system with segmented-stem form factors. For. Sci. 46:1-12.
10. Flewelling, J.W., and L.M. Raynes. 1993. Variable-shape stem-profile predictions for western hemlock. Part I. Predictions from dbh and total height. Can. J. For. Res. 23:520-536.
11. Gray, H.R. 1956. The form and taper of forest-tree stems. Imperial Forest Institute. Oxford, UK. Paper 32.
12. Gregoire, T.G., O. Schabenberger, and J.P. Barrett. 1995. Linear modelling of irregularly spaced, unbalanced, longitudinal data from permanent plot measurements. Can. J. For. Res. 25:137-156.
13. Hayden, J. Kerley, D. Carr, T. Kenedi, and J. Hallarn. 1995. Field Manual for Establishing and Measuring Permanent Sample Plots. Ontario Ministry of Natural Resoures, Sault Ste. Marie, ON.
14. Kozak, A. 1988. A variable-exponent taper equation. Can. J. For. Res. 18:1363-1368.
15. Kozak, A. 1997. Effects of multicollinearity and autocorrelation on the variable-exponent taper functions. Can. J. For. Res. 27:619-629.
16. Kozak, A. 1998. Effects of upper stem measurements on the predictive ability of a variable-exponent taper equation. Can. J. For. Res. 28:1078-1083.
17. Kozak A, D.D. Munro, and J.H.G. Smith. 1969. Taper functions and their application in forest inventory. For. Chron. 45:278-283.
18. Larson, P.R. 1963. Stem form development of forest trees. For. Sci. Monogr. 5. Society of American Foresters, Bethesda, MD.
19. Leites, L.R., and A.P. Robinson. 2004. Improving taper equations of loblolly pine with crown dimensions in a mixed-effects modelling framework. For. Sci. 50:204-212.
20. Max, T.A., and H.E. Burkhart. 1976. Segmented polynomial regression applied to taper equations. For. Sci. 22:283-289.
21. Muhairwe, C.K., V.M. Lemay, and A. Kozak. 1994. Effects of adding tree, and site variables to Kozak's variable-exponent taper equation. Can. J. For. Res. 24: 252-259.
22. Newnham, R.M. 1992. Variable-form taper functions for four Alberta tree species. Can. J. For. Res. 22:210-223.
23. Newton, P.F., and M. Sharma. 2008. Effect of disk selection protocol on taper equation performance. Scand. J. For. Res. 23:358-370.
24. Ormerod, D.W. 1973. A simple bole model. For. Chron. 49: 136-138.