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besides the brush of sand dune and the vegetation of riverbanks there are woodland vegetations trees and field vegetation or recently tiled farmland.
Woodland vegetations in this study area mostly are planted by community, but grow naturally without high maintenance. Meanwhile, field vegetations or tilled
farmlands are planted and grow with fully intensive maintenance. That is why woodland is considered to have higher value, with score of 2, than tiled farmland
which is scored 1, as woodland has more ecological effects to the environment rather than tiled farmland. The spatial representation of vegetation scoring in
Parangtritis Coastal Area is shown in Figure 21.
Figure 21. Map of Vegetation Factor of Parangtritis Coastal Area
4.2.4. Supporting Factor
The supporting factor considered in this research is infrastructure, as it has an important role as an access to certain natural tourism resources or attractions
and already assumed as area for further analysis. Parangtritis Area has a collector
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road, some local roads, and several driveways. Figure 22 shows conditions for each types of infrastructure in Parangtritis Area.
a. Collector Road b. Local Road
c. Driveways
Figure 22. Conditions of Each Type of Infrastructure in Parangtritis Area Collector road is considered as the main infrastructure of the area, so that
it has high value as an access to a certain natural tourism object or attraction. Collector road has a score of 3. Local road has narrower width compared to
collector road, but it also has a significant role in developing a tourism activity in certain location; therefore, it is given a score of 2. Another type of infrastructure
is driveways with limited accessible, though it is still considered as an access to certain location. Driveway is given a score of 1. Spatially, supporting factor
scoring can be seen in Figure 23.
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Figure 23. Map of Supporting Factor of Parangtritis Coastal Area
4.2.5. Natural Quality of Parangtritis Coastal Area
Natural quality of the study area is obtained by considering those three natural factors: landform, hydrology, and vegetation factors, integrated with the
supporting factor. By using the concept of weighting process of spatial analysis, those four maps represented each factor are overlaid in acquiring a composite map
of natural resources quality Figure 24. According to the overlay result, it is obvious that the hilly bank in the
eastern side of the area has very high quality because of its composite values of landform and vegetation factors. The beach and riverbanks are considered with
high quality of natural resources. It is related to their values of hydrology factor integrated with landform factor, especially for beach area, and values of
vegetation factor, especially for the riverbanks area and woodland area near the beach.
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Figure 24. Natural Resources Quality Map of Parangtritis Coastal Area Sand dune and agriculture land are considered as medium quality of
natural resources for tourism. These two landscapes should have higher potential quality to be developed as tourism resources more than just medium quality. But
because of the weighting and overlay process they do not achieve such high quality as they are not integrated with high value of other natural factors. For
example sand dunes, though they have high value of landform factor but they are not integrated with other natural factors. Agriculture land, though has low value
of vegetation factor but it occupies the dominant landform, which is valued as medium quality.
The settlement area and the scrubland happened to have low quality of potential natural resources, while the flood plain area near the riverbanks has the
very low quality. It means that those three types of resources are being the last priority to be developed as natural tourism attractions. It can be considered well if
they viewed as a part of a system, for example the scrubland near the sand dunes cannot be apart from other part of a coastal system area as a whole.
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4.3. Cultural Resources Assessment
