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Cost-Benefit Analysis for Planting Type of Street Trees

가로수 조성 유형에 따른 비용편익 비교 분석

  • Kim, Joon Soon (Department of forest management Kangwon National University) ;
  • Lee, Dong Kun (Department of Landscape Architecture, Seoul National.)
  • 김준순 (강원대학교 산림경영학과) ;
  • 이동근 (서울대학교 조경.지역시스템공학부)
  • Received : 2014.10.17
  • Accepted : 2014.12.09
  • Published : 2014.12.31

Abstract

The objective of this study is to estimate the cost and benefits of street trees for their planting types, specifically, single row, single row+bottom, double row, double row+bottom. Different planting types are compared and analyzed by using Net Present Value (NPV) and benefit-cost ratio (BCR). Existing data are collected from the literature reviews for the use of meta-analysis method for estimating cost and benefit. The elements for analyzing costs are management and planting costs, and benefits are air purification, energy saving and landscape view. The discount rate is applied at a minimum of 3% and a maximum of 5.5%. The unit used in this calculation is km/year. The result shows that the net benefit is highest in double row, followed by single row, double row+bottom, and single row+bottom. The BCR is the highest in double row, followed by single row, double row+bottom, and single row+bottom. The BCR reaches the break-even point from 9 to 17 years depending on the planting types.

Acknowledgement

Supported by : 환경부

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