Impact Assessment
Online ISSN : 2424-2268
Print ISSN : 1348-1819
Volume 21, Issue 2
Displaying 1-11 of 11 articles from this issue
Seminar Report
Panel Discussion
Special Feature
Research Paper
  • Ayaka YASUMOTO, Takehiko MURAYAMA, Shigeo NISHIKIZAWA
    2023 Volume 21 Issue 2 Pages 44-52
    Published: August 10, 2023
    Released on J-STAGE: August 31, 2023
    JOURNAL RESTRICTED ACCESS

    Preparation and execution of environmental and social impact assessment is one of keys to avoid and minimize environmental and social impacts of infrastructure projects. However, enough environmental and social monitoring has not been conducted for many development assistance projects. Therefore, we analyze environmental impact statements (EISs) and environmental monitoring reports of ADB’s 22 road construction and rehabilitation projects. The results found following points; a) environmental monitoring and mitigation measures have not been implemented according to EISs, b) quality of air, surface water, and noise were tend to be monitored rather than other aspects such as flora, fauna, road safety, waste management, c) national standards, not international standards, were applied to evaluate monitoring results in monitoring reports, and d) even though exceedances of monitoring results have been observed, not enough considerations and discussions were provided in the monitoring reports.

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  • Marie HASHIMOTO, Masayoshi OTSUKA, Tateki MIZUNO, Katsutoshi NISHIMURA ...
    2023 Volume 21 Issue 2 Pages 53-62
    Published: August 10, 2023
    Released on J-STAGE: August 31, 2023
    JOURNAL RESTRICTED ACCESS

    Vertical viewing angles of wind power generators are often applied to estimate negative psychological impacts with factors of “degree of concern” and “feeling of oppression” for the environmental impact assessment of landscape. Here we introduce new factors “degree of attractiveness” and “degree of preference” to judge whether the landscape of wind power generators gives positive or acceptable psychological effect or not. Showing landscape photos of wind power plants to subjects, data of impression were obtained by means of questionnaires with those four factors. As results, when the maximum vertical viewing angle was less than 3 degrees, the landscape tended to be preferably accepted. Also, when vertical viewing angles were 5 degrees or more, those psychological effects did not lean solely towards negative, as positive psychological effects were also observed.

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