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http://dx.doi.org/10.7780/kjrs.2017.33.6.2.7

Ecosystem Service Assessment of Urban Forest for Water Supply and Climate Mitigation of Seoul Metropolitan Area  

Lee, Soo Jeong (Department of Environmental Science and Ecological Engineering, Korea University)
Yoo, Somin (Department of Environmental Science and Ecological Engineering, Korea University)
Ham, Boyoung (Department of Environmental Science and Ecological Engineering, Korea University)
Lim, Chul-Hee (Institute of Life Science and Natural Resources, Korea University)
Song, Cholho (Department of Environmental Science and Ecological Engineering, Korea University)
Kim, Moonil (Department of Environmental Science and Ecological Engineering, Korea University)
Kim, Sea Jin (Department of Environmental Science and Ecological Engineering, Korea University)
Lee, Woo-Kyun (Department of Environmental Science and Ecological Engineering, Korea University)
Publication Information
Korean Journal of Remote Sensing / v.33, no.6_2, 2017 , pp. 1119-1137 More about this Journal
Abstract
This study assessed the water provisioning and climate mitigation ecosystem services of the urban forest in Seoul and Gyeonggi-do. The ecosystem service assessment is conducted based on natural function, natural function and population, and natural function and the beneficiary of the ecosystem service. Then, the impact of climate change on ecosystem services is analyzed to figure out the sensitivity of the impact on the beneficiary when the natural function of forest destroys under climate change. Gyeonggi-do has higher function-based water provisioning ecosystem service than Seoul. And population-based water provisioning ecosystem service appears to be higher in the densely populated area. On the other hand, beneficiary-based water provisioning ecosystem service by applying both natural water supply function and beneficiary distribution appears different with the result of population-based water provisioning service assessment. In other words, regions with high beneficiary population show higher ecosystem service than those with a low beneficiary population even though they have the same water storage function. In addition, climate change has a negative impact on the water provisioning ecosystem service. Under climate change, water provisioning service is expected to decrease by 26%. For climate mitigation service, regions close to the forest seem to have a low temperature, which indicates their high climate mitigation service. The center of the city with high beneficiary population shows high beneficiary-based ecosystem service. The climate change impacts the forest growth to decrease which affect the beneficiary-based climate mitigation ecosystem service to decrease by 33%. From this study, we conclude that beneficiary-based function and ecosystem service assessment is needed as well as the supply-based classification of forest function suggested by Korea Forest Service. In addition, we suggest that not only supply-based function classification and ecosystem service assessment but also beneficiary-based function classification and ecosystem service assessment is needed for managing the urban forest, which has been destroyed by climate change. This will contribute to revaluing cases where a forest with low natural function but high beneficiary-based ecosystem service, which is not considered under the current forest function-based assessment system. Moreover, this could assist in developing a suitable management plan for the urban forest.
Keywords
Urban forest; Ecosystem service; Water provisioning service; Climate mitigation service; Beneficiary-based ecosystem service;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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