Abstract
In order to realize sustainable teak forest management, the strategic plan of forest management is highly needed to establish the growth characteristics model of Jati Plus Perhutani (JPP). The most thing which cannot be ignored to estimate the growth and yield of teak is quantification of site quality differentiation. The objective of this study is to arrange and predict the properly yielded table of the average dominant trees of JPP in the forest management unit of Saradan, Madiun, and Ngawi. The trees sampling had been selected for the age of 6 to 12 years from the best compartment areas in JPP. Growth model and JPP's yield stands were predicted using growth parameters such as diameter (dbh), total height, clear bole height, volume, and growing space. Each parameter was analyzed using SPSS 20 statistical software to determine the best growth model that will then be used to predict the stand table parameters values. The equation was selected from the highest R2 value or the value which is approaching to 1, with low standard error estimation (SEE). The result shows that best equation model to estimate the growth from tree parameters on medium site of JPP are dominated by S model and the best model for bole height is growth model. The data were taken from an initial observation as a preliminary study, further research is expected to enhance the results of current research to obtain the stand table which can be applied in the future.
Highlights
In order to realize sustainable teak forest management, especially for Jati Plus Perhutani (JPP), the strategic plan of good forest management is necessary to determine the growth characteristics of JPP
JPP as a superior teak wood should have a good performance that can be seen from the growth and yield
Knowing the growth of JPP by stand table is a kind of management planning
Summary
In order to realize sustainable teak forest management, especially for Jati Plus Perhutani (JPP), the strategic plan of good forest management is necessary to determine the growth characteristics of JPP. Without any serious acts of all related parties in term of preventing degradation of forest resources, the potential of tropical forests in Indonesia is about to decline sharply exceeding the threshold of natural regeneration ability Stand growth or it is often referred as increment is very important in forest management. The purpose of growth and yield models are for inventories renewal, structure and stand productivity estimation, silvi-cultural systems evaluation, and as a basic reference for policy development and forest management planning (Burkhart 2012). It is necessary to study the growth and yield modeling of JPP stands which are expected to be able to be used as a reference in forest management activities that can optimized JPP wood production. To find out the growth of JPP and to find out which sites best to grow well JPP around the area of forest planning section (SPH) Madiun, this study will discuss further the issue by designing table stand of JPP based on the average dominant trees
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