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Site Index Equation for Smallholder Plantations of Gmelina arborea in Leyte Province, the Philippines |
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| Authors: | Jerome K. Vanclay Jack Baynes Edwin Cedamon |
| Affiliation: | (1) Southern Cross University, PO Box 157, Lismore, NSW, 2480, Australia;(2) School of Natural and Rural Systems Management, The University of Queensland, Brisbane, QLD, 4072, Australia;(3) College of Forestry and Natural Resources, Visayas State University, Visca, Baybay City, 6521-A, Philippines |
| Abstract: | The equation SiteIndex = Height × Log(IndexYear+0.5)/Log(Age+0.5) is suggested as a robust way to classify site index of small private Gmelina arborea plantations in Leyte province in the Philippines. Estimates of site index from this equation correlate well with other indicators of site productivity, including the observed mean annual volume increment and soil depth. An alternative equation based on slope and soil depth offers an indication of potential site productivity on unforested sites where no crop trees are present. |
| Keywords: | Yemane Gamar Non-industrial private forest Dendrometer Parsimonious fit |
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