Evaluating Tehran districts from perspective of urban forestry’s structural indicators

• Main Authors: sara zare, منوچهر نمیرانیان, حسین شعبانعلی فمی, جهانگیر فقهی, افشین دانه کار
• Format: Article
• Language: fas
• Published: Iranian Society of Forestry 2017-02-01
• Series: مجله جنگل ایران
• Subjects: structural indicator; urban forestry; principal component analysis method
• Online Access: http://www.ijf-isaforestry.ir/article_46267_8bf33ad0bec482925e5f9ac87b7f0e1c.pdf

According to the importance of regional differences in the country’s strategic plans and also direct role of urban forests in sustainable development of cities, this research at identifying the regional differences from the perspective of urban forestry indicators. For this purpose, initially, six indicators have been identified and their related data has been gathered for nine urban districts of the Tehran from Tehran Municipality and Park and Green Spaces Organization. In order to weight the indicators for providing Tehran urban forest’s structural indicators, the factor analysis method has been used and structural indicators for the districts have been calculated and categorized. Dividing by the average method was used to remove the differences in scales. The sum of squared rotated loadings and sum of squared extracted loadings showed three components totally can reveal 87.60% of the variances. According to the results, Tehran districts  4 and 22, have been mainly ranked first and second from the aspect of urban forest’ indicators and have better conditions compared with other districts. While district 11, 16 and 10 in Tehran are ranked among the last. For the first time, in this research, providing structural indicators for Tehran urban forests was done, with the aim of more alignment of approved projects with the needs of citizens and improving their quality of life.