Abstract
Increases in stand volume with some currently introduced provenances of Acacia mangium: Papua New Guinea (PNG) and Far North Queensland (FNQ), were projected based on their superiorities in 3-year height growth in seedling seed orchards using the growth model developed for unthinned plantation for pulp and paper production in South Sumatra, Indonesia. The height growth of these provenances was better than that of the local selections from Subanjeriji by 10%–15% at 3 years old and these percentage superiorities would be expected to remain at around 9%–14% until the 8-year rotation. This amount of increase would result in a 7%–10% increase in basal area and hence it would produce a 17%–26% increase in stand volume at rotation age when compared with the Subanjeriji seed source that was being widely used for the plantation establishment of A. mangium in Indonesia.
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Received: July 24, 2002 / Accepted: December 3, 2002
Acknowledgments The authors thank Mr. Hardjono, the director of plantation establishment at PT Musi Hutan Persada for his permission to use data of permanent plots for the growth modeling of A. mangium. The authors are grateful to the staff at PT Musi Hutan Persada, Research and Development Center for Biotechnology and Forest Tree Improvement, Japan International Cooperation Agency for their implementations of the study. Our thanks are also due to Dr. Yoshida, associate professor at Kyushu University, for his advice on developing the growth modeling work.
Correspondence to:S. Kurinobu
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Nirsatmanto, A., Kurinobu, S. & Hardiyanto, E. A projected increase in stand volume of introduced provenances of Acacia mangium in seedling seed orchards in South Sumatra, Indonesia. J For Res 8, 0127–0131 (2003). https://doi.org/10.1007/s103100300016
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DOI: https://doi.org/10.1007/s103100300016