Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province
As a key ecosystem for climate change mitigation, wetlands play an irreplaceable role in carbon capture and sequestration. The analysis of wetland carbon stocks and their influencing factors, as well as the prediction of carbon sequestration potential, are of great significance to the conservation a...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Bulletin of Geological Science and Technology
2023-03-01
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| Series: | 地质科技通报 |
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| Online Access: | https://dzkjqb.cug.edu.cn/en/article/doi/10.19509/j.cnki.dzkq.tb20220358 |
| _version_ | 1797277596072804352 |
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| author | Meiqi Zhang Bo Chen Min Zhao |
| author_facet | Meiqi Zhang Bo Chen Min Zhao |
| author_sort | Meiqi Zhang |
| collection | DOAJ |
| description | As a key ecosystem for climate change mitigation, wetlands play an irreplaceable role in carbon capture and sequestration. The analysis of wetland carbon stocks and their influencing factors, as well as the prediction of carbon sequestration potential, are of great significance to the conservation and management of wetlands and the achievement of the national "double carbon" target.This study employed ArcGIS 10.8 to vectorize the wetland distribution map of the Wetland Protection and Development Plan of Guizhou Province (hereinafter referred to as the Plan) for three periods (1999-2009, 2010-2018, and 2018-present, respectively) by means of remote sensing visual interpretation and zoned them according to the intensity of karst development in Guizhou Province. The changes in wetland area and carbon stock in Guizhou Province were estimated and analyzed using the life belt research method and biomass estimation method, and the total carbon stock and carbon stock per unit area of key wetlands were estimated and compared with those of all wetlands in Guizhou Province. A calculation model was used to estimate the carbon sequestration potential of the key wetlands in Guizhou Province.The Origin software was applied to analyze the data on all relevant impact factors. The results showed that: ①The area of wetlands in Guizhou Province was 216, 526.95 hm2, 209, 726.85 hm2, and 255, 440.53 hm2 in the pre-, mid-, and late-planning periods, respectively, with an overall decrease and then increase, and the total area increased by 38, 913.58 hm2; ② The wetland carbon stock in Guizhou Province was 3.78×106 t in the late stage of planning, increasing significantly to more than 6 times of that in the early stage of planning(5.97×105 t), among which the carbon stock of the key wetlands was 3.24×106 t, accounting for 85.71% of the province's wetland carbon stock; ③ The carbon sequestration potential of the keywetlands in Guizhou Provincewas 1.14×104 t C/a, and the total carbon sequestration of wetlands is expected to reach 7.99×106 t C and 8.34×106 t C by 2030 and 2060, respectively; and ④ The carbon stock of the key wetlands was positively correlated with DIC concentration, organic carbon content and wetland area and negatively correlated with temperature, indicating thattemperature, DIC concentration, organic carbon content and wetland area had a strong influence on the carbon stock of the key wetlands in Guizhou Province.The results of this study will not only facilitate the understanding of the current status of wetland carbon sequestration in Guizhou Province but also provide a theoretical reference for the contribution of regional wetland ecosystems to the "3060" dual carbon target. |
| first_indexed | 2024-03-07T15:50:42Z |
| format | Article |
| id | doaj.art-ce4bfb22439c42d291f5dd92efa1f893 |
| institution | Directory Open Access Journal |
| issn | 2096-8523 |
| language | zho |
| last_indexed | 2024-03-07T15:50:42Z |
| publishDate | 2023-03-01 |
| publisher | Editorial Department of Bulletin of Geological Science and Technology |
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| series | 地质科技通报 |
| spelling | doaj.art-ce4bfb22439c42d291f5dd92efa1f8932024-03-05T02:55:09ZzhoEditorial Department of Bulletin of Geological Science and Technology地质科技通报2096-85232023-03-0142231532610.19509/j.cnki.dzkq.tb20220358dzkjtb-42-2-315Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou ProvinceMeiqi Zhang0Bo Chen1Min Zhao2Guizhou University of Finance and Economics, Guiyang 550025, ChinaGuizhou University of Finance and Economics, Guiyang 550025, ChinaState Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, ChinaAs a key ecosystem for climate change mitigation, wetlands play an irreplaceable role in carbon capture and sequestration. The analysis of wetland carbon stocks and their influencing factors, as well as the prediction of carbon sequestration potential, are of great significance to the conservation and management of wetlands and the achievement of the national "double carbon" target.This study employed ArcGIS 10.8 to vectorize the wetland distribution map of the Wetland Protection and Development Plan of Guizhou Province (hereinafter referred to as the Plan) for three periods (1999-2009, 2010-2018, and 2018-present, respectively) by means of remote sensing visual interpretation and zoned them according to the intensity of karst development in Guizhou Province. The changes in wetland area and carbon stock in Guizhou Province were estimated and analyzed using the life belt research method and biomass estimation method, and the total carbon stock and carbon stock per unit area of key wetlands were estimated and compared with those of all wetlands in Guizhou Province. A calculation model was used to estimate the carbon sequestration potential of the key wetlands in Guizhou Province.The Origin software was applied to analyze the data on all relevant impact factors. The results showed that: ①The area of wetlands in Guizhou Province was 216, 526.95 hm2, 209, 726.85 hm2, and 255, 440.53 hm2 in the pre-, mid-, and late-planning periods, respectively, with an overall decrease and then increase, and the total area increased by 38, 913.58 hm2; ② The wetland carbon stock in Guizhou Province was 3.78×106 t in the late stage of planning, increasing significantly to more than 6 times of that in the early stage of planning(5.97×105 t), among which the carbon stock of the key wetlands was 3.24×106 t, accounting for 85.71% of the province's wetland carbon stock; ③ The carbon sequestration potential of the keywetlands in Guizhou Provincewas 1.14×104 t C/a, and the total carbon sequestration of wetlands is expected to reach 7.99×106 t C and 8.34×106 t C by 2030 and 2060, respectively; and ④ The carbon stock of the key wetlands was positively correlated with DIC concentration, organic carbon content and wetland area and negatively correlated with temperature, indicating thattemperature, DIC concentration, organic carbon content and wetland area had a strong influence on the carbon stock of the key wetlands in Guizhou Province.The results of this study will not only facilitate the understanding of the current status of wetland carbon sequestration in Guizhou Province but also provide a theoretical reference for the contribution of regional wetland ecosystems to the "3060" dual carbon target.https://dzkjqb.cug.edu.cn/en/article/doi/10.19509/j.cnki.dzkq.tb20220358wetlandscarbon stockcarbon neutralcarbon sequestration potentialguizhou provincewetlands planning |
| spellingShingle | Meiqi Zhang Bo Chen Min Zhao Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province 地质科技通报 wetlands carbon stock carbon neutral carbon sequestration potential guizhou province wetlands planning |
| title | Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province |
| title_full | Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province |
| title_fullStr | Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province |
| title_full_unstemmed | Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province |
| title_short | Analysis of the carbon stock and carbon neutral potential of wetlands in Guizhou Province |
| title_sort | analysis of the carbon stock and carbon neutral potential of wetlands in guizhou province |
| topic | wetlands carbon stock carbon neutral carbon sequestration potential guizhou province wetlands planning |
| url | https://dzkjqb.cug.edu.cn/en/article/doi/10.19509/j.cnki.dzkq.tb20220358 |
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