EXPERIMENTAL METHOD 1 Zone delineation into management clusters
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2. EXPERIMENTAL METHOD 2.1 Zone delineation into management clusters
Seven parameters are used as criteria for delineating or forest area divide into clusters or management area section based on functions and silvicultural systems. Seven criteria are
divided into three groups, namely the absolute criterion, consideration and decisions. Delineation is conducted in two stages. The first stage that the initial delineation is conducted
to establish of protected areas and utilization area. The absolute criteria group is used, which it consists of two criteria, namely topography and initial potential stands. All areas with slope
grade 40 in absolute terms is categorized in protected area. Initial potential stands are the amount of volume per
hectare of commercial trees with diameter ≥ 50 cm. All parts of forest utilization areas that do not have tree stands in absolute terms are categorized as THPB or
NTFP non timber forest products cluster due to the application of selective logging is not possible because the area do not have trees to be selected. Topography criteria consist of five
indicators and potential stands criteria consist of four indicators. The process delineation is using map processing software, and for digitization, each indicator is given quality and value
scores as presented in tables 1 and 2. Table 1: Indicators and Scoring Value in Topography Criteria
Slope Grade Classification
Quantity Quality
Scoring value
0 - 8 Flat
1 15
15 9 - 15
Sloping 2
15 30
16 - 25 Rather steep
3 15
45 26 - 40
Steep 4
15 60
40 Up Very steep
5 15
75
Table 2: Indicators and Scoring Value in Potential Criteria
Initial Stands Potency Class
Land Cover Types Quantity
Quality Scoring
Value
Very low 0 - 20 m
3
ha Young
brushwoodscrubland without crops
1 35
35 Low
20 - 40 m
3
ha Young secondary forest
Old scrub 2
35 70
Moderate 40 - 60 m
3
ha Secondary Forest
3 35
105 Dense
60m
3
ha Primary forest Succession
secondary forest 4
35 140
The topographic maps and the tree stands potency data are digitized and then do to overlaying process. Overlaying results a total value of scores reference to establish silvicultural systems in
the utilization area. Table 3 describes the division of forest area and silvicultural systems using forward.
The data overlaying will generate a map in a pattern and random spotting. This random pattern should be interpreted to obtain management units clustered in an amount sufficient
area for each cluster of protected areas and TPTI, TPTJ and THPB NTFP clusters. Grouping will tend to be qualitative, so the companion option should be provided. Expert
academic review are required for scientific justification.
Bogor, 21-22 October 2015
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Funtion and Silviculture system
Range of the number of value scores
Explanation
Protected Area Cluster -
All area with slope grade 40 THPB NTFP Area
Cluster 90
TPTJ Area Cluster 90
– 154 TPTI Area Cluster
155-200 The second stage is the continued delineation in setting business development plan.
Consideration criteria group are used which it consists of four criteria, including soil type, rainfall, village distribution and accessibility. They are classified as a consideration criterion
because they are not binding but more likely to be used as a consideration matter in determining development options in the management. Because of that, indicators for each
criterion are not provided. The next options are generated of opening choices of business, especially in the use of TPTJ,
THPB and NTFP clusters, as for example in the selection of plants, cycle and other treatment in TPTJ cluster. Including when combined with the use more than one pattern of TPTJ with
plant species, plant platform, rotation and the extensive use of area in the same or different size. In THPB clusters, more diverse options are available. Such as choice of crop
commodities, whether of type of raw material for producing, as follows; chips or pulp or wood carpentry. Including cropping, rotation, or also use a combination of more than one
pattern THPB with extensive options are the same or different respectively. Also including the NTFP development options for the purpose of the buffer zone and social responsibility. This
combination will not only generate two or three options but would be so many combinations. Overview of academic experts can be used as scientific justification for pursing they become
quite 2 - 5 only options. Decision criterion is used later. The board of directors of the prospective license holders are
taking into consideration policies regulator then select and assign a business development plan option that gives the best benefits. Indicators used include effectiveness in the utilization
areas, land productivity, the number of production, financial, labor absorption and taxes contribution to the state. The indicators are provided for simulating the operation of all the
variables for each alternative using the device Supersilvik models. Enabled device models are used as aids in decision-making device which delivered in the following section.