Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development
Urban expansion, especially the construction of megacities, increases carbon emissions and adversely affects the carbon storage of terrestrial ecosystems. However, scientific land-use management policies can increase carbon storage. This study takes two megacities at different stages of development,...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-08-01
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| Series: | Heliyon |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S240584402306022X |
| _version_ | 1797732907031199744 |
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| author | Ning Zou Chang Wang Siyuan Wang Yunyuan Li |
| author_facet | Ning Zou Chang Wang Siyuan Wang Yunyuan Li |
| author_sort | Ning Zou |
| collection | DOAJ |
| description | Urban expansion, especially the construction of megacities, increases carbon emissions and adversely affects the carbon storage of terrestrial ecosystems. However, scientific land-use management policies can increase carbon storage. This study takes two megacities at different stages of development, Beijing and Tianjin, as examples to explore the impact of different ecological conservation scenarios on both urban land use and carbon storage to provide recommendations for the construction planning of large cities with low-carbon development as the goal. Furthermore, we coupled the patch-generating land use simulation (PLUS) model with the integrated valuation of ecosystem services and tradeoffs (InVEST) model to simulate land use and carbon storage under a natural development scenario, a planned ecological protection scenario (PEPS), and a policy-based ecological restoration scenario (PERS). From 2000 to 2020, both cities had different degrees of construction land expansion and carbon loss, and Tianjin's dynamic degree of construction land was 0.94% higher than Beijing's, with a carbon loss 183,536.19 Mg higher than Beijing's; this trend of reducing carbon reserves will continue under the natural development scenario (NDS). Under the PEPS and PERS, the carbon stock of both cities increases, and the impact on Tianjin is greater, with an increase of 4.51% and 8.04%, respectively. Under PERS, the carbon stock increases the most, but the dynamic degree of construction land use is negative for both cities. Beijing's carbon stock is 0.40% lower than Tianjin's, which deviates slightly from the trend of urban economic development. Megacities in the rapid development stage can refer to Tianjin, strictly following the ecological protection land planning scope and vigorously implementing ecological restoration policies to effectively increase regional carbon stock. Megacities in the mature stage of development can refer to Beijing, and flexibly implement ecological restoration policies to increase regional carbon stock without affecting the city's economic development. |
| first_indexed | 2024-03-12T12:21:19Z |
| format | Article |
| id | doaj.art-141b4d9f00b3469b86a20ce3b934b477 |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-03-12T12:21:19Z |
| publishDate | 2023-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-141b4d9f00b3469b86a20ce3b934b4772023-08-30T05:52:43ZengElsevierHeliyon2405-84402023-08-0198e18814Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of developmentNing Zou0Chang Wang1Siyuan Wang2Yunyuan Li3School of Landscape Architecture, Beijing Forestry University, Beijing, 100083, ChinaSchool of Landscape Architecture, Beijing Forestry University, Beijing, 100083, ChinaSchool of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China; Beijing Laboratory of Urban and Rural Ecology and Environment, Beijing Forestry University, Beijing, 100083, China; National Forestry and Grassland Administration Key Laboratory of Urban and Rural Landscape Construction, Beijing Forestry University, Beijing, 100083, ChinaSchool of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China; Corresponding author.Urban expansion, especially the construction of megacities, increases carbon emissions and adversely affects the carbon storage of terrestrial ecosystems. However, scientific land-use management policies can increase carbon storage. This study takes two megacities at different stages of development, Beijing and Tianjin, as examples to explore the impact of different ecological conservation scenarios on both urban land use and carbon storage to provide recommendations for the construction planning of large cities with low-carbon development as the goal. Furthermore, we coupled the patch-generating land use simulation (PLUS) model with the integrated valuation of ecosystem services and tradeoffs (InVEST) model to simulate land use and carbon storage under a natural development scenario, a planned ecological protection scenario (PEPS), and a policy-based ecological restoration scenario (PERS). From 2000 to 2020, both cities had different degrees of construction land expansion and carbon loss, and Tianjin's dynamic degree of construction land was 0.94% higher than Beijing's, with a carbon loss 183,536.19 Mg higher than Beijing's; this trend of reducing carbon reserves will continue under the natural development scenario (NDS). Under the PEPS and PERS, the carbon stock of both cities increases, and the impact on Tianjin is greater, with an increase of 4.51% and 8.04%, respectively. Under PERS, the carbon stock increases the most, but the dynamic degree of construction land use is negative for both cities. Beijing's carbon stock is 0.40% lower than Tianjin's, which deviates slightly from the trend of urban economic development. Megacities in the rapid development stage can refer to Tianjin, strictly following the ecological protection land planning scope and vigorously implementing ecological restoration policies to effectively increase regional carbon stock. Megacities in the mature stage of development can refer to Beijing, and flexibly implement ecological restoration policies to increase regional carbon stock without affecting the city's economic development.http://www.sciencedirect.com/science/article/pii/S240584402306022XLand useCarbon stockPLUS modelInVEST modelEcological conservation policy |
| spellingShingle | Ning Zou Chang Wang Siyuan Wang Yunyuan Li Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development Heliyon Land use Carbon stock PLUS model InVEST model Ecological conservation policy |
| title | Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development |
| title_full | Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development |
| title_fullStr | Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development |
| title_full_unstemmed | Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development |
| title_short | Impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development |
| title_sort | impact of ecological conservation policies on land use and carbon stock in megacities at different stages of development |
| topic | Land use Carbon stock PLUS model InVEST model Ecological conservation policy |
| url | http://www.sciencedirect.com/science/article/pii/S240584402306022X |
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