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Palmer, D. J., Watt, M. S., Kimberley, M. O., Hock, B. K., Payn, T. W., & Lowe, D. J. (2010). Mapping the productivity of radiata pine. New Zealand Tree Grower, 31, 18–19.
Permanent Research Commons link: https://hdl.handle.net/10289/10135
Forest owners, investors and policy makers all want to know the spread and productivity of New Zealand’s current and future radiata plantation. David Palmer, a geo-spatial analyst at Scion, has combined advanced statistical techniques with mapping technology to predict radiata 300 Index and Site Index for any location in New Zealand. The 300 Index is an index of volume mean annual increment, and the Site Index is for height and growth. The map of Site Index and 300 Index was built using growth measurement data from trees in 1,146 radiata pine permanent sample plots, planted between 1975 and 2003. The data was combined with a number of climate, land use, terrain and environmental variables to predict forest productivity under a range of conditions.
© 2010 New Zealand Farm Forestry Association. Used with permission.