[绿色空间碳储存与哈尔不同电网尺度的景观模式之间的相关性]
1College of Landscape Architecture, Northeast Forestry University, Harbin 150040, China.
Huan jing ke xue= Huanjing kexue
|November 29, 2025
概括
保护绿地,特别是湿地,对于增加碳储存至关重要. 未来的规划应优先考虑生态保护和连接,以减轻景观碎片化,并加强哈尔的碳捕获.
科学领域:
- 生态系统服务生态系统服务
- 陆地生态 地球生态
- 城市规划是城市规划.
背景情况:
- 绿色空间在碳捕获和氧气释放中发挥着至关重要的作用,影响着陆地生态系统的碳循环.
- 了解绿色空间模式与碳储存之间的关系对于有效的城市绿色空间系统规划至关重要.
研究的目的:
- 分析哈尔绿色空间碳储存和景观模式的时空变化.
- 根据不同的未来发展场景,研究绿色空间景观指标与碳储存之间的相关性.
- 为哈尔未来绿色空间规划提供科学指导.
主要方法:
- 利用FLUS模型预测2030年自然发展 (ND) 和生态保护 (EP) 场景下的土地覆盖变化.
- 采用InVEST模型来量化碳储存和Fragstats 4.2软件用于景观指标.
- 应用了斯皮尔曼相关性和线性回归来分析不同网格尺度上碳储存和景观指标之间的关系.
主要成果:
- 哈尔的绿色空间碳储存量在2010年约为2,578.11×10^6,在2020年约为2,573.15×10^6. 预计2030年的EP场景将碳储量增加0.44×10^6,而ND场景显示碳储量减少1.18×10^6.
- 像香农的多样性指数 (SHDI),香农的均性指数 (SHEI) 和景观划分指数 (DIVISION) 这样的景观指数显示下降趋势,特别是在ND情景下. 传染指数 (CONTAG) 在ND下降,但在EP下略有增加.
- SHDI,SHEI和DIVISION与碳储存有负相关,而CONTAG与碳储存有正相关. 最优的分析网格尺度被确定为4.50公里×4.50公里.
结论:
- 哈尔未来的绿色空间规划应优先考虑生态保护,特别是湿地区域,以最大限度地增加碳储存.
- 保持景观连接性和避免碎片化对于增强碳捕获至关重要.
- 该研究强调了特定景观指标 (SHEI和CONTAG) 在解释碳储存变化的重要性,并有可能用于预测建模.
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