Allometric equations for estimating the aboveground volume of five common urban street tree species in Daegu,Korea |
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| Authors: | Tae Kyung Yoon Chan-Woo Park Sun Jeoung Lee Suin Ko Kyung Nam Kim Yeongmo Son Kyung Hak Lee Suhyun Oh Woo-Kyun Lee Yowhan Son |
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| Institution: | 1. Department of Environmental Science and Ecological Engineering, Graduate School, Korea University, Seoul 136-713, Republic of Korea;2. Center for Forest and Climate Change, Korea Forest Research Institute, Seoul 130-712, Republic of Korea;3. Department of Climate Environment, Graduate School of Life and Environmental Sciences, Korea University, Seoul 136-713, Republic of Korea;1. Faculty of Agriculture and Life Science, Hirosaki University, Hirosaki, Aomori, Japan;2. Arid Land Research Center, Tottori University, Hamasaka 1390, Tottori, Japan;3. Department of Ecoregion Science, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, Japan;1. CSIRO, Sustainable Agriculture Flagship and CSIRO Ecosystem Sciences, Australia;2. GPO Box 1700, ACT 2601, Australia;3. Private Bag 10, Clayton South, VIC 3169, Australia;4. Victorian Department of Environment and Primary Industries, 8 Nicholson Street, East Melbourne, VIC 3002, Australia;5. Department of Agriculture and Food, Western Australia (DAFWA), 444 Albany Hwy, Albany, WA 6330, Australia;6. DAFWA, 3 Baron-Hay Court, South Perth, WA 6151, Australia;7. Department of Environment, Water and Natural Resources – South Australian Government, GPO Box 1047, Adelaide, SA 5001, Australia;8. Department of Agriculture, Fisheries and Forestry – Queensland Government, University of the Sunshine Coast, Sippy Downs Drive, Sippy Downs, QLD 4556, Australia;9. Threshold Environmental Pty Ltd., PO Box 1124, Albany, WA 6331, Australia;10. Private Bag 5, Wembley, WA 6913, Australia;11. AusCarbon Pty Ltd., PO Box 395, Nedlands, WA 6909, Australia;12. The University of New South Wales, Sydney, NSW 2052, Australia;13. Carbon Neutral Pty Ltd., Floreat Forum, WA 6014, Australia;14. The University of Western Australia, 1 Foreshore House, Albany, WA 6330, Australia;1. Yale School of Forestry & Environmental Studies, 195 Prospect Street, New Haven, CT 06511, United States;2. Urban Resources Initiative, Hixon Center for Urban Ecology, 301 Prospect Street, First Floor, New Haven, CT 06511, United States;1. USDA Forest Service, PSW, 1731 Research Park Drive, Davis, CA 95618, USA;2. University of Toronto, Faculty of Forestry, Canada;3. Town of Oakville, Parks and Open Space, Forestry Services, 1140 South Service Road West, Oakville, ON L6L 5T7, Canada;4. Town of Oakville, Parks and Open Space, Forestry Services, Canada;1. School of Public and Environmental Affairs, Indiana University, Bloomington, IN 47405, United States;2. Urban Ecology Research Laboratory, University of Washington, Seattle, WA 98195, United States;3. Department of Geography, Indiana University, Bloomington, IN 47408, United States |
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| Abstract: | Quantifying urban tree biomass and carbon (C) storage by using allometric equations is required for various studies such as assessing the inventory, modelling, and measuring ecosystem services of urban trees. However, the lack of urban-specific allometric equations leads to uncertainty when estimating urban tree biomass and C storage. Therefore, we followed a nondestructive approach and developed allometric equations specifically for Acer buergerianum Miq., Ginkgo biloba L., Platanus orientalis L., Prunus yedoensis Matsum., and Zelkova serrata (Thunb.) Makino in Daegu, Korea. Diameter at breast height (DBH)-based and DBH-and-height-based allometric equations were highly accurate at estimating the aboveground volume (R2 > 0.92), while the allometric equations for P. orientalis and Z. serrata developed for traditional forests overestimated volume by 68% and 427%, respectively. The addition of a height variable into the DBH-based allometric equations did not increase the reliability of the allometric equations at a local level. The mean aboveground C storage of urban street trees was 24.9 Mg C/ha except for P. orientalis with a mean of 69.7 Mg C/ha, and the total aboveground C storage of urban street trees in Daegu was 10.6 Gg C. Alternatively, a generalized allometric equation which compiled species-specific equations can be applied for large-scale estimation. The generalized equations developed in this study and those found in the literature may suggest a constant value (～2.3–2.4) for the scaling exponent in the generalized equations. Allometric equations developed from natural or artificial stands may overestimate the volume of urban street trees; therefore, estimating urban tree biomass and C storage requires urban-specific allometric equations. |
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| Keywords: | Biomass Carbon storage Laser dendrometer Settlement Urban forestry |
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