The purpose of this study is to clarify the characteristic, the reason for institution and the issue of view protection with conceptual definition. The authors analyzed the landscape plan of 664 organizations (local governments) that instituted the landscape plan and extracted system of view protection with conceptual definition. As a result, 176 view protection districts from 85 organizations were selected as research subjects.
The main contents clarified in this research are as follows.
1) The system of view protection with conceptual definition are operating for 176 districts from 85 organizations, and there are many relevant cases.
2) Four components of the system of view protection; view target, viewpoint, view protection district, view protection standard are classified into concrete type, conceptual type and no type.
·The high tendency to become conceptual type is view target and view protection standard.
·View target tends to become conceptual when it is a panoramic type for natural objects, and the view protection standard tends to be a qualitative.
·Viewpoint and view protection standard are sometimes no type, therefore it is deeply concerned about that no type cannot protect the view than conceptual type.
3) Through analysis of the questionnaire survey, it is clarified the main reason operated the system of view protection with conceptual definition are following.
·View target and viewpoint are included the wide area, it is difficult to decide a range concretely. View target and viewpoint are designated with conceptual definition, it is also difficult to decide view district concretely. And view protection standard are difficult to set the uniform height standards when the view protection district is a wide area and has various landscapes.
·Many organizations did not adequately record the process of instituting the system of view protection based on a conceptual definition. This is an issue in properly managing landscape planning.
4) It is considered there is no serious obstruction of view fortunately. However, some issues are pointed out when administrative officer explains the development company. For example, as it is hard to understand concretely four components of the system of view protection with conceptual definition, a judgment between administrative officer and the development company is sometimes different. Therefore, it could go wrong that view might be obstructed in the future.
5) It is desirable to change the conceptual type and no type to the concrete type regarding the system of view protection for solving these issues in the future.
6) The future task is to clarify the actual state of system of view protection with concrete definition and to consider the whole perspective.
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