Forest carbon offset protocols in compliance carbon markets

Forest Policy and Economics, Journal Year: 2024, Volume and Issue: 165, P. 103253 - 103253

Published: May 29, 2024

Language: Английский

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Analysis of the Spatiotemporal Changes in Cropland Occupation and Supplementation Area in the Pearl River Delta and Their Impacts on Carbon Storage

Land, Journal Year: 2024, Volume and Issue: 13(8), P. 1195 - 1195

Published: Aug. 3, 2024

In recent years, the “dual carbon” issue has become a major focus of international community. Changes in land use driven by anthropogenic activities have profound impact on ecosystem structure and carbon cycling. This study quantitatively assesses spatiotemporal changes cropland occupation supplementation Pearl River Delta from 2000 to 2020 using InVEST model, analyzing spatial clustering storage caused variations area. The PLUS model was employed simulate land-use patterns distribution four future development scenarios. results indicate following: (1) From 2020, net change rate area −0.81%, with decrease 16.49 km2 area, primarily converted built-up forest land. (2) Carbon exhibited pattern lower values center higher periphery. terrestrial 534.62 × 106 t 2000, 518.60 2010, 512.57 showing an overall decreasing trend. conversion main reason for decline total regional storage. (3) sequestration lost due significantly greater than loss compensated new cropland, indicating imbalance quality as crucial factor contributing loss. (4) Under ecological priority scenario, expansion reduction such were effectively controlled, resulting minimal soil organic pool is most active ecosystems significant Clarifying relationship between “cropland protection measures–land changes–ecosystem storage” will improve policies, provide references enhancement, support sustainable socio-economic development.

Language: Английский

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Carbon Sink Trends in the Karst Regions of Southwest China: Impacts of Ecological Restoration and Climate Change

Land, Journal Year: 2023, Volume and Issue: 12(10), P. 1906 - 1906

Published: Oct. 10, 2023

Southwest China (SWC) holds the distinction of being world’s largest rock desertification area. Nevertheless, impacts climate change and ecological restoration projects on carbon sinks in karst area have not been systematically evaluated. In this study, we calculated by utilizing Carnegie–Ames–Stanford Approach (CASA) model, actual measurements, including net primary productivity (NPP) data soil respiration (Rs,) were to obtain sink data. Our findings suggest that areas are displaying increasing trends or positive reversals, accounting for 58.47% area, which is larger than overall average 45.08% China. This suggests a greater sequestration potential. However, approximately 10.42% experience negative reversals. The regions with reversals primarily located western parts Guizhou Guangxi, while observed eastern Chongqing, Guizhou. Ecological main driving factors trends. Increased humidity management reasons sinks. warming drought shift from decreasing east Guangxi study highlight significant role reexamine impact sequestration.

Language: Английский

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Impact of land use change on regional carbon sink capacity: Evidence from Sanmenxia, China

Ecological Indicators, Journal Year: 2023, Volume and Issue: 156, P. 111189 - 111189

Published: Nov. 1, 2023

Regional carbon sink fluctuations are largely influenced by land use. To enhance regional and inform sustainable management practices, it is critical to elucidate the influence of use changes on dynamics. Employing historical data in Sanmenxia region, this study analyzed alterations between 2000 2020. The Future Land Use Simulation (FLUS) model was used predict impacts type under three development scenarios (urban priority, cultivated ecological priority).The result shows that:(1) From 2020, (with an increase 3.26%) construction 22.85%) showed most significant changes, with main source being grassland, while other types little change. southern part area mainly forest higher value than northern part. (2) simulation found that priority would be conducive improving 2040. Specifically, cropland, forest, grassland were preserved due red line restriction basic farmland. This 145 thousand tons 171 tons, respectively, compared (3) prediction results all decline first then from 2020 urban scenario reach lowest 2030, around 2028, significantly.

Language: Английский

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What Need Not Be Said: Transnational Policy Regimes and England’s Technical Proficiency in Writing Policy

College English, Journal Year: 2024, Volume and Issue: 86(4), P. 326 - 355

Published: March 1, 2024

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Language: Английский

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