Submit Manuscript

Journal of Biological Sciences

Year: 2004 | Volume: 4 | Issue: 4 | Page No.: 437-440
Facebook Twitter Digg Reddit Linkedin StumbleUpon E-mail
Research Article

The Relationships between Diameter at Breast Height, Tree Height and Crown Diameter in Calabrian Pines (Pinus brutia Ten.) of Baskonus Mountain, Kahramanmaras, Turkey

Mahmut D. Avsar

ABSTRACT

In this study, the relationships between height-diameter at breast height (DBH), crown diameter-DBH and crown diameter-height were investigated in Calabrian pines (Pinus brutia Ten.) of Baskonus Mountain, Kahramanmaras. Four sample plots were selected from pure Calabrian pine stands and DBH, height and crown diameter were measured on the live Calabrian pine trees, of which DBH was > 4 cm, in these sample plots. At the end of the regression analysis carried out on the data of a total of 134 trees, it was determined that there were statistically significant (P<0.0001) and strong (R2>0.50) relationships between DBH, height and crown diameter variables in Calabrian pines. The strongest relationship determined was the height-DBH relationship (R2=0.82), followed by the crown diameter-DBH (R2=0.74) and crown diameter-height (R2=0.62) relationships, respectively. The results of the study indicated that the height-DBH relationship can be described by the second-degree polynomial model, while the crown diameter-DBH and crown diameter-height relationships can be described by the power model and heights and crown diameters can be estimated by means of DBH, of which measurement is easy, in Calabrian pines of the research area.
PDF References Citation

Search

REFERENCES

  1. Avery, T.E. and H.E. Burkhart, 1994. Forest Measurements. 4th Edn., McGraw-Hill, Inc., Singapore.
  2. Zhang, L., 1997. Cross-validation of non-linear growth functions for modelling tree height-diameter relationships. Ann. Bot., 79: 251-257.
  3. Peng, C., L. Zhang and J. Liu, 2001. Developing and validating nonlinear height-diameter models for major tree species of Ontarios boreal forests. North J. Applied For., 18: 87-94.
  4. Colbert, K.C., D.R. Larsen and J.R. Lootens, 2002. Height-diameter equations for thirteen midwestern bottomland hardwood species. North. J. Applied For., 19: 171-176.
    Direct Link
  5. Gering, L.R. and D.M. May, 1995. The relationship of diameter at breast height and crown diameter for four species groups in Hardin County, Tennessee. South. J. Applied For., 19: 177-181.
  6. Hasenauer, H., 1997. Dimensional relationships of open-grown trees in Austria. For. Ecol. Manage., 96: 197-206.
    CrossRef
  7. Bragg, D.C., 2001. A local basal area adjustment for crown width prediction. North. J. Applied For., 18: 22-28.
    Direct Link
  8. Foli, E.G., D. Alder, H.G. Miller and M.D. Swaine, 2003. Modelling growing space requirements for some tropical forest tree species. For. Ecol. Manage., 173: 79-88.
    Direct Link
  9. Peng, C., 1999. Non Linear Height Diameter Models for Nine Boreal Forest Tree Species in Ontario. Ontario Forest Research Institute, Ontario, Canada.
  10. Akalp, T., 1983. Simulation of Increment and Growth in Uneven-Aged Stands. Istanbul University, Faculty of Forestry, Istanbul, Turkey.
  11. Demirci, A. and A.U. Gul, 1993. Stand structure increment and growth relationships of the natural Pure Calabrian Pine Stands in Kizilirmak Basin. Proceedings of the International Symposium on Pinus brutia Ten, (ISPBT'93), Turkey, pp: 541-548.
  12. Sun, O., 1977. Growth Model for Simulation of a Calabrian Pine (P. brutia Ten.) Tree. Forestry Research Institute, Ankara, Turkey.
  13. Francis, J.K., 1988. The Relationship of Bole Diameters and Crown Widths of Seven Bottomland Hardwood Species. Southern Forest Experiment Station, USA.
  14. Kayacik, H., 1980. Special Systematic of Forest and Park Trees. 4th Edn., Istanbul University, Istanbul, Turkey.
  15. Saatcioglu, F., 1976. Silviculture I Biological Foundations and Principles of Silviculture. 2nd Edn., Istanbul University, Istanbul, Turkey.
  16. Anonymous, 1987. Forest Existence in Turkey. Forestry Research Institute, Ankara, Turkey.
  17. Philip, M.S., 1994. Measuring Trees and Forests. 2nd Edn., CAB International, Cambridge, UK.
  18. Kalipsiz, A., 1984. Dendrometry. Istanbul University, Faculty of Forestry, Istanbul, Turkey.
  19. Saracoglu, O., 1988. Increment and Growth in Fir Stands of Black Sea Region. Istanbul University, Faculty of Forestry, Forest Yield and Biometry Science Branch, Istanbul, Turkey.
  20. Caliskan, A., 1991. Growth relationships and necessary silvicultural operations in scotch pine (Pinus sylvestris L.)-fir (Abies bornmulleriana Mattf.)-beech (Fagus orientalis Lipsky) mixed stands of buyukduz research forest, Karabuk. Ph.D. Thesis, Istanbul University, Institute of Science, Istanbul, Turkey.
  21. Kalipsiz, A., 1981. Statistical Methods. Istanbul University, Istanbul.

Search

Related Articles

Leave a Comment

Your email address will not be published. Required fields are marked *