Two models for predicting the number of annual rings in cross-sections of tree stems

References

• Bannan , M. W. 1970 . A survey of cell length and frequency of multiplicative divisions in the cambium of conifers . Canadian Journal of Botany , 48 : 1585 – 89 .
   Google Scholar
• Björklund , L. 1999 . Identifying heartwood-rich stands or stems of Pinus sylvestris by using inventory data . Silva Fennica , 33 : 119 – 129 .
   Web of Science ®Google Scholar
• Ekenstedt , F. , Grahn , T. , Hedenberg , Ö. , Lundqvist , S. O. , Arlinger , J. & Wilhelmsson , L. ( 2003 ). Variations in fiber dimensions of Norway spruce and Scots pine—Graphs and prediction models ( STFI Report Pub 13 ). Stockholm : STFI .
   Google Scholar
• Elfving , B. ( 2003 ). Ålderstilldelning till enskilda träd i skogliga tillväxtprognoser [Assigning the breast height age of individual trees for predicting forest growth and yield] ( Working papers 182 ). Umeå : Department of Silviculture, Swedish University of Agricultural Sciences . ( In Swedish. )
   Google Scholar
• Elfving , B. and Kiviste , A. 1997 . Construction of site index equations for Pinus sylvestris L. using permanent plot data in Sweden . Forest Ecology and Management , 98 : 125 – 134 .
   Web of Science ®Google Scholar
• Ericson , B. ( 1960 ). Studies of the genetical wood density variation in Scots pine and Norway spruce ( Reports 4 ). Stockholm : Forest Research Institute of Sweden .
   Google Scholar
• Gjerdrum , P. ( 1999 ). Prediction of heart wood in Pinus sylvestris . In G. Nepveu ( Ed. ), IUFRO WP 5.01-04. Third workshop . Connection between silviculture and wood quality through modelling approaches and simulation software . La Londe-Les-Maures, France, 5–12 September (pp. 145 – 148 ). INRA-Nancy : Publication Equipe de Recherches sur la Qualité des Bois .
   Google Scholar
• Hägglund , B. 1981 . Evaluation of forest site productivity . Forestry Abstracts , 42 : 515 – 527 .
   Google Scholar
• Larson , P. R. ( 1994 ). The vascular cambium development and structure . Springer Series in Wood Science . Berlin : Springer .
   Google Scholar
• Lindström , H. 1997 . Fiber length, tracheid diameter and latewood percentage in Norway spruce: Development from pith outwards . Wood and Fiber Science , 29 : 21 – 34 .
   Web of Science ®Google Scholar
• Littell , R. C. , Milliken , G. A. , Stroup , W. W. and Wolfinger , R. D. 1996 . SAS system for mixed models , Cary, NC : SAS Institute .
   Google Scholar
• Lundgren , C. ( 2003 ). Wood and fibre properties of fertilized Norway spruce . Thesis, Swedish University of Agricultural Sciences . Acta Universitatis, Agriculturae Sueciae Silvestria 288 .
   Google Scholar
• Lundqvist , L. and Valinger , E. 1996 . Stem diameter growth of Scots pine trees after increased mechanical load in the crown during dormancy and (or) growth . Annals of Botany , 77 : 59 – 62 .
   Web of Science ®Google Scholar
• Lundqvist , S.-O. , Bjarne , J. , Grahn , T. , Hedenberg , Ö. & Olsson , L. ( 1998 ). Fibertyper i barrved. Mätmetoder och presentationssätt (STFI-Rapport P19). (In Swedish.)
   Google Scholar
• Lundqvist , S.-O. , Hedenberg , Ö. & Wilhelmsson , L. ( Eds. ) ( 2003 ). Data and models for improved utilisation of Norway spruce and Scots pine . Forest-Pulp-Paper project Final report. STFI report Pub 12. (In Swedish with English summary.)
   Google Scholar
• Morén , A.-S. & Perttu , K. ( 1994 ). Regional temperature and radiation indices and their adjustment to horizontal and inclined forest land . Studia Forestalia Suecica 194 . Uppsala : Swedish University of Agricultural Sciences .
   Google Scholar
• Olesen , P. O. 1976 . The interrelation between basic density and ring width of Norway spruce . Forstlige Forsoeksvaesen i Danmark , 34 : 339 – 359 .
   Google Scholar
• Palik , B. J. and Pregitzer , K. S. 1995 . Variability in early height growth rate of forest trees: Implications for retrospective studies of stand dynamics . Canadian Journal of Forest Research , 25 : 767 – 776 .
   Web of Science ®Google Scholar
• Richards , F. J. 1959 . A flexible growth function for empirical use . Journal of Experimental Botany , 10 : 290 – 300 .
   Web of Science ®Google Scholar
• Saint-André , L. , Hervé , J. C. and Leban , J. M. 2000 . Modelling the number of rings in individual logs of Norway spruce . Scandinavian Journal of Forest Research , 15 : 135 – 143 .
   Web of Science ®Google Scholar
• Saranpää , P. 1994 . Basic density, longitudinal shrinkage and tracheid length of juvenile wood of Picea abies (L.) Karst . Scandinavian Journal of Forest Research , 9 : 68 – 74 .
   Web of Science ®Google Scholar
• SAS Institute ( 2000 ). SAS/STAT user's guide (Version 6) (4th ed., Vol. 2) . Cary, NC : SAS Institute .
   Google Scholar
• Satterthwaite , F.E. 1946 . An approximate distribution of estimates of variance components . Biometrical Bulletin , 2 : 110 – 114 .
   PubMed Web of Science ®Google Scholar
• Valinger , E. , Lundqvist , L. and Sundberg , B. 1995 . Mechanical bending stress applied during dormancy and (or) growth stimulates stem diameter growth of Scots pine seedlings . Canadian Journal of Forest Research , 25 : 886 – 890 .
   Web of Science ®Google Scholar
• Wilhelmsson , L. , Arlinger , J. , Spångberg , K. , Lundqvist , S.-O. , Grahn , T. , Hedenberg , Ö. and Olsson , L. 2002 . Models for predicting wood properties in stems of Picea abies and Pinus sylvestris in Sweden . Scandinavian Journal of Forest Research , 17 : 330 – 350 .
   Web of Science ®Google Scholar
• Zeide , B. 1993 . Analysis of growth equations . Forest Science , 39 : 594 – 616 .
   Web of Science ®Google Scholar
• Zobel , B. J. & Sprague , J. R. ( 1998 ). Juvenile wood in forest trees . Springer Series in Wood Science . Berlin : Springer .
   Google Scholar