Journal article
Site form classification—a practical tool for guiding site-specific tropical forest landscape restoration and management
Forestry, Vol.95(2), pp.261-273
04/2022
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Abstract
Reliable estimates of forest productivity at the site scale can guide site-specific forest management. However, the best methods to evaluate productivity of natural forest sites, and in particular secondary natural forests, remain undefined. In this study we: (1) applied an indirect method for estimation of the potential productivity of a forest site (‘site form’) in Dong Nai Biosphere Reserve. In addition, we: (2a) investigated the influence of a range of environmental conditions on site form, (2b) built models to estimate site form from the corresponding environmental variables and (3) generated site form maps for the region. We found that Michaelis–Menten models provided the most consistent representation of tree height–diameter relationships, with reliable anamorphic curves at both plot-scale (50 m × 20 m) and multiplot-scales. Predicted tree height at 25-cm diameter (H25) was selected as the best indicator for site form as 25 cm was both a tree size, which was common in the forests, and for which height could be accurately predicted. H25 was significantly correlated with site environmental conditions, with the dominant influences being factors related to water availability. We generated site form maps for Dong Nai province based on the relationship between known environmental variables and H25. We conclude that maps such as these could have broad application in guiding tropical forest restoration measures elsewhere, particularly where there is limited knowledge of tree ages and species.
Details
- Title
- Site form classification—a practical tool for guiding site-specific tropical forest landscape restoration and management
- Creators
- Ha T T Do - Southern Cross UniversityHeidi C Zimmer - Southern Cross UniversityJerome K Vanclay - Southern Cross UniversityJohn C Grant - Southern Cross UniversityBon N Trinh - Vietnam Academy of Forest SciencesHoang H Nguyen - Vietnam Academy of Forest SciencesJ Doland Nichols - Southern Cross University
- Publication Details
- Forestry, Vol.95(2), pp.261-273
- Publisher
- Oxford University Press
- Grant note
- Ministry of Science and Technology of Vietnam (ÐTÐL.XH.10/15); Forest Research Centre, Southern Cross University.
- Identifiers
- 991012978055602368
- Copyright
- © The Author(s) 2021. Published by Oxford University Press on behalf of Institute of Chartered Foresters. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
- Academic Unit
- Office of Deputy Vice Chancellor, Research; Faculty of Science and Engineering; Forest Research Centre; Science
- Language
- English
- Resource Type
- Journal article