학술논문
Improvement of the Planting Method to Increase the Carbon Reduction Capacity of Urban Street Trees
이용수 29
- 영문명
- 발행기관
- 인간식물환경학회
- 저자명
- Jin-Young Kim Hyun-Kil Jo Hye-Mi Park
- 간행물 정보
- 『인간식물환경학회지(JPPE)』제24권 제2호, 219~227쪽, 전체 9쪽
- 주제분류
- 자연과학 > 자연과학일반
- 파일형태
- 발행일자
- 2021.04.30
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국문 초록
영문 초록
Background and objective: Urban street trees play an important role in carbon reduction in cities where greenspace is scarce. There are ongoing studies on carbon reduction by street trees. However, information on the carbon reduction capacity of street trees based on field surveys is still limited. This study aimed to quantify carbon uptake and storage by urban street trees and suggest a method to improve planting of trees in order to increase their carbon reduction capacity. Methods: The cities selected were Sejong, Chungju, and Jeonju among cities without research on carbon reduction, considering the regional distribution in Korea. In the cities, 155 sample sites were selected using systematic sampling to conduct a field survey on street environments and planting structures. The surveyed data included tree species, diameter at breast height (DBH), diameter at root collar (DRC), height, crown width, and vertical structures. The carbon uptake and storage per tree were calculated using the quantification models developed for the urban trees of each species. Results: The average carbon uptake and storage of street trees were approximately 7.2 ± 0.6 kg/tree/yr and 87.1 ± 10.2 kg/tree, respectively. The key factors determining carbon uptake and storage were tree size, vertical structure, the composition of tree species, and growth conditions. The annual total carbon uptake and storage were approximately 1,135.8 tons and 22,737.8 tons, respectively. The total carbon uptake was about the same amount as carbon emitted by 2,272 vehicles a year. Conclusion: This study has significance in providing the basic unit to quantify carbon uptake and storage of street trees based on field surveys. To improve the carbon reduction capacity of street trees, it is necessary to consider planning strategies such as securing and extending available grounds and spaces for high-density street trees with a multi-layered structure.
목차
Introduction
Research Methods
Results and Discussion
Conclusion
References
해당간행물 수록 논문
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