Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst
Vegetation restoration significantly changes soil organic carbon (SOC) accumulation and mineralization, obviously affects soil carbon pool. To clarifying effects of vegetation restoration on SOC accumulation and mineralization is of great significance in reducing carbon emission and increasing carbo...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-12-01
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| Series: | Ecological Indicators |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1470160X22010950 |
| _version_ | 1811190782666735616 |
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| author | Xianxian He Maoyin Sheng Linjiao Wang Suili Zhang Nana Luo |
| author_facet | Xianxian He Maoyin Sheng Linjiao Wang Suili Zhang Nana Luo |
| author_sort | Xianxian He |
| collection | DOAJ |
| description | Vegetation restoration significantly changes soil organic carbon (SOC) accumulation and mineralization, obviously affects soil carbon pool. To clarifying effects of vegetation restoration on SOC accumulation and mineralization is of great significance in reducing carbon emission and increasing carbon sequestration. In the present study, the effects on SOC accumulation and mineralization of four types of vegetation restoration engineering including seven species planting measures, all carried out for 28–31 years, were studied. Results showed the long-term vegetation restorations had significant effects on SOC accumulation and mineralization. Tree and vine forest construction measures significantly increased total SOC content and reserves, recalcitrant organic carbon content and proportion, and also obviously raised SOC mineralization rate and cumulative mineralization amount. Grassland construction measures significantly reduced total SOC content and reserves, obviously increased the proportion of soil active organic carbon, and also remarkably raised SOC cumulative mineralization proportion. In addition, the long-term vegetation restoration measures significantly changed the temperature sensitivity of SOC mineralization. The long-term vegetation restoration has remarkable effects on SOC mineralization and accumulation in Southwest China karst area. In the restoration, tree and vine forest construction measures should be preferred, and grassland construction measures should not be implemented. The present study results provide theoretical bases for scientific vegetation restoration of degraded karst ecosystems in Southwest China Karst and are of great significances in reducing soil carbon emission and increasing soil carbon sequestration. |
| first_indexed | 2024-04-11T14:54:55Z |
| format | Article |
| id | doaj.art-5b16b554f6bb479192e92708d131140f |
| institution | Directory Open Access Journal |
| issn | 1470-160X |
| language | English |
| last_indexed | 2024-04-11T14:54:55Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ecological Indicators |
| spelling | doaj.art-5b16b554f6bb479192e92708d131140f2022-12-22T04:17:17ZengElsevierEcological Indicators1470-160X2022-12-01145109622Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karstXianxian He0Maoyin Sheng1Linjiao Wang2Suili Zhang3Nana Luo4Institute of Karst Research, Guizhou Normal University, Guiyang 550001, ChinaInstitute of Karst Research, Guizhou Normal University, Guiyang 550001, China; National Engineering Research Center for Karst Rocky Desertification Control, Guiyang 550001, China; Corresponding author at: Institute of Karst Science, Guizhou Normal University, Guiyang, No. 116, Baoshanbei Road, Guiyang 550001, China.Institute of Karst Research, Guizhou Normal University, Guiyang 550001, China; Guizhou Engineering Laboratory for Karst Rocky Desertification Control and Derivative Industry, Guiyang 550001, ChinaInstitute of Karst Research, Guizhou Normal University, Guiyang 550001, China; National Engineering Research Center for Karst Rocky Desertification Control, Guiyang 550001, ChinaInstitute of Karst Research, Guizhou Normal University, Guiyang 550001, China; National Engineering Research Center for Karst Rocky Desertification Control, Guiyang 550001, ChinaVegetation restoration significantly changes soil organic carbon (SOC) accumulation and mineralization, obviously affects soil carbon pool. To clarifying effects of vegetation restoration on SOC accumulation and mineralization is of great significance in reducing carbon emission and increasing carbon sequestration. In the present study, the effects on SOC accumulation and mineralization of four types of vegetation restoration engineering including seven species planting measures, all carried out for 28–31 years, were studied. Results showed the long-term vegetation restorations had significant effects on SOC accumulation and mineralization. Tree and vine forest construction measures significantly increased total SOC content and reserves, recalcitrant organic carbon content and proportion, and also obviously raised SOC mineralization rate and cumulative mineralization amount. Grassland construction measures significantly reduced total SOC content and reserves, obviously increased the proportion of soil active organic carbon, and also remarkably raised SOC cumulative mineralization proportion. In addition, the long-term vegetation restoration measures significantly changed the temperature sensitivity of SOC mineralization. The long-term vegetation restoration has remarkable effects on SOC mineralization and accumulation in Southwest China karst area. In the restoration, tree and vine forest construction measures should be preferred, and grassland construction measures should not be implemented. The present study results provide theoretical bases for scientific vegetation restoration of degraded karst ecosystems in Southwest China Karst and are of great significances in reducing soil carbon emission and increasing soil carbon sequestration.http://www.sciencedirect.com/science/article/pii/S1470160X22010950Soil organic carbonVegetation restorationMineralizationQ10Karst |
| spellingShingle | Xianxian He Maoyin Sheng Linjiao Wang Suili Zhang Nana Luo Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst Ecological Indicators Soil organic carbon Vegetation restoration Mineralization Q10 Karst |
| title | Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst |
| title_full | Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst |
| title_fullStr | Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst |
| title_full_unstemmed | Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst |
| title_short | Effects on soil organic carbon accumulation and mineralization of long-term vegetation restoration in Southwest China karst |
| title_sort | effects on soil organic carbon accumulation and mineralization of long term vegetation restoration in southwest china karst |
| topic | Soil organic carbon Vegetation restoration Mineralization Q10 Karst |
| url | http://www.sciencedirect.com/science/article/pii/S1470160X22010950 |
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