Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt

In the context of carbon neutrality and urbanization, there is a notable research gap regarding the carbon sequestration benefits of urban forests and the identification of suitable tree species for achieving sustainable carbon sequestration. In this study, we examined the dynamics and drivers of ur...

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Main Authors: Fangzhou Ma, Wenwen Zhang, Jingli Yan, Tian Zhang, Ningxin Lu, Miaoling Yao, Tai Zhang, Ji Zheng, Shan Yin
Format: Article
Language:English
Published: Elsevier 2024-02-01
Series:Ecological Indicators
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1470160X24001122
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author Fangzhou Ma
Wenwen Zhang
Jingli Yan
Tian Zhang
Ningxin Lu
Miaoling Yao
Tai Zhang
Ji Zheng
Shan Yin
author_facet Fangzhou Ma
Wenwen Zhang
Jingli Yan
Tian Zhang
Ningxin Lu
Miaoling Yao
Tai Zhang
Ji Zheng
Shan Yin
author_sort Fangzhou Ma
collection DOAJ
description In the context of carbon neutrality and urbanization, there is a notable research gap regarding the carbon sequestration benefits of urban forests and the identification of suitable tree species for achieving sustainable carbon sequestration. In this study, we examined the dynamics and drivers of urban forest carbon sequestration in Shanghai, one of the most urbanized cities in China. First, we compiled a comprehensive field inventory data set spanning 20 years for the Shanghai Green Belt. Second, we quantified and compared the total carbon accumulation and growth rates of six monoculture forests and two mixed forest types consisting of six common tree species. Third, we conducted drivers analysis of the effects of stand-related and anthropogenic factors on carbon accumulation and growth rates. Overall, our results revealed that each forest type exhibited a unique growth pattern of tree biomass carbon (TBC), with the Chapman–Richards growth function providing an accurate representation of carbon dynamics. During the early stages of development (within 20 years), the carbon accumulation rate of Populus L. reached 4.13 Mg ha−1 yr−1, which was approximately 127 % higher than that of broadleaf mixed forests. In late stages, the potential tree biomass carbon accumulation of broadleaf mixed forests reached 172.8 Mg ha−1, which was 34 % higher than that of Populus L. over the entire growth cycle. Forest types, stand age, canopy density class, ownership, closure management, strongly influence the accumulation rates of TBC. Overall, these findings contribute to the understanding of the advantages of mixed and monoculture plantations for carbon sequestration, and these results can be used to predict future patterns of carbon storage in urban forests in Shanghai.
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spelling doaj.art-0ae1c62d5c684fb48d22f4343bf9bd272024-02-25T04:35:02ZengElsevierEcological Indicators1470-160X2024-02-01159111655Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green BeltFangzhou Ma0Wenwen Zhang1Jingli Yan2Tian Zhang3Ningxin Lu4Miaoling Yao5Tai Zhang6Ji Zheng7Shan Yin8School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China; Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, Shanghai 200240, ChinaShanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, Shanghai 200240, China; Shanghai Forestry Station, Hutai Rd. 1053, Shanghai 200072, ChinaSchool of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China; Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, Shanghai 200240, China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, ChinaSchool of Information and Software Engineering, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, ChinaPudong Forestry Station, Huaxia East Rd. 285, Shanghai 200072, ChinaPudong Forestry Station, Huaxia East Rd. 285, Shanghai 200072, ChinaPudong Forestry Station, Huaxia East Rd. 285, Shanghai 200072, ChinaSchool of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China; Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, Shanghai 200240, China; Corresponding authors at: School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China.School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China; Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, Shanghai 200240, China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, China; Corresponding authors at: School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China.In the context of carbon neutrality and urbanization, there is a notable research gap regarding the carbon sequestration benefits of urban forests and the identification of suitable tree species for achieving sustainable carbon sequestration. In this study, we examined the dynamics and drivers of urban forest carbon sequestration in Shanghai, one of the most urbanized cities in China. First, we compiled a comprehensive field inventory data set spanning 20 years for the Shanghai Green Belt. Second, we quantified and compared the total carbon accumulation and growth rates of six monoculture forests and two mixed forest types consisting of six common tree species. Third, we conducted drivers analysis of the effects of stand-related and anthropogenic factors on carbon accumulation and growth rates. Overall, our results revealed that each forest type exhibited a unique growth pattern of tree biomass carbon (TBC), with the Chapman–Richards growth function providing an accurate representation of carbon dynamics. During the early stages of development (within 20 years), the carbon accumulation rate of Populus L. reached 4.13 Mg ha−1 yr−1, which was approximately 127 % higher than that of broadleaf mixed forests. In late stages, the potential tree biomass carbon accumulation of broadleaf mixed forests reached 172.8 Mg ha−1, which was 34 % higher than that of Populus L. over the entire growth cycle. Forest types, stand age, canopy density class, ownership, closure management, strongly influence the accumulation rates of TBC. Overall, these findings contribute to the understanding of the advantages of mixed and monoculture plantations for carbon sequestration, and these results can be used to predict future patterns of carbon storage in urban forests in Shanghai.http://www.sciencedirect.com/science/article/pii/S1470160X24001122Urban forestCarbon sequestrationMixed forestMonoculture forestCarbon accumulationGrowth rate
spellingShingle Fangzhou Ma
Wenwen Zhang
Jingli Yan
Tian Zhang
Ningxin Lu
Miaoling Yao
Tai Zhang
Ji Zheng
Shan Yin
Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt
Ecological Indicators
Urban forest
Carbon sequestration
Mixed forest
Monoculture forest
Carbon accumulation
Growth rate
title Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt
title_full Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt
title_fullStr Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt
title_full_unstemmed Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt
title_short Early advantage for carbon sequestration of monocultures and greater long-term carbon sink potential of broadleaf mixed forests: 20-year evidence from the Shanghai Green Belt
title_sort early advantage for carbon sequestration of monocultures and greater long term carbon sink potential of broadleaf mixed forests 20 year evidence from the shanghai green belt
topic Urban forest
Carbon sequestration
Mixed forest
Monoculture forest
Carbon accumulation
Growth rate
url http://www.sciencedirect.com/science/article/pii/S1470160X24001122
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