Wood density and its radial variation in six canopy tree species differing in shade-tolerance in western Thailand

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Funding Acknowledgements

We thank Manop Keawfoo and the staff of HKK for help in the field. We also acknowledge the Thai Royal Forest Department and the Center for Tropical Forest Science of the Smithsonian Tropical Research Institute for establishing the 50-ha plot. This work was supported by a grant from the Austrian Science Foundation (Grant P19507-B17). The authors would also like to thank S. C. Thomas and D. G. Woolford for suggestions on statistical approaches and to D. Metcalfe and J. Norghauer for helpful comments. Funding to pay the Open Access publication charges for this article was provided by the Austrian Science Fund (FWF).