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Site index equation for smallholder plantations of Gmelina arborea in Leyte Province, the Philippines

By Jerome K Vanclay, Jack Baynes and Edwin Cedamon


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

Topics: Yemane, Gamar, site index, non-industrial private forest, Environmental Sciences, Forest Sciences
Publisher: ePublications@SCU
Year: 2008
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Provided by: ePublications@SCU
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