暑期论文打卡Day6 | 蓝绿空间多尺度结构对城市森林碳密度的影响

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《Effects of multi-scale structure of blue-green space on urban forest carbon density: Beijing, China case study》

建立生态网络的不同方法的多尺度分析框架

作者：王文静，王国玉*，杨木兰，穆晓红，朱宗伟

期刊：《Science of the Total Environment》

1

摘要

 摘要 

Landscape structure influences the amount of carbon that can be stored in an ecosystem. Currently, majority of research have been focused on the responses of landscape structure and functional relationships to urbanization, and few have specifically focused on blue-green space. 

In this study, Beijing was used as a case study to explore the relationship among the blue-green spatial planning structure of green belts, green wedges and green ways, the landscape configuration of bluegreen element and carbon storage of urban forest. 

The blue-green elements were classified using high-resolution remote sensing images (0.8 m) and the above-ground carbon storage estimations of urban forest based on 1307 field survey samples. 

The results show that green belts and green wedges have a higher coverage percentage of blue-green space and big blue-green patches than that of built-up areas. However, they have lower carbon density in urban forests. 

The shannon's diversity index of blue-green space was found to have a binary relationship with carbon density, in which, urban forests and water bodies were the key combination in increasing carbon density. 

The presence of water bodies in urban forests increases the carbon density to up to 1000 m. The effect of farmland and grassland on carbon density was found to be uncertain. With this, this study provides basis for sustainable planning and management of blue-green spaces.

2

研究框架

1Introduction 

2 Methods

2.1. Study area

2.2. Multi-scale blue-green structure and classification of blue-green elements

2.3. Carbon storage estimation

2.4. Relationship between carbon density and multi-scale blue-green structure

3 Results

3.1. Field results and urban forest carbon density

3.2. Large-scale structures and carbon density

3.3. Small-scale structure and carbon density

4 Discussion

4.1. Small-scale structure of BGS and carbon density

4.2. Urban planning structure of BGS and carbon density

4.3. Insights for blue-green spatial planning and management

3

结论

a.基于大量田野调查测算了城市蓝绿空间碳密度数据

b.展示了将田野调查数据结合GIS进行分析的方法

c.探究了蓝绿空间的生态要素指标与碳密度之间的相关关系和阈值效应

d.揭示了景观结构对生态功能的重要作用

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参考文献：

王文静，王国玉* ，杨木兰，穆晓红，朱宗伟.生态系统服务供需视角下高密度城区生态空间关键区识别与优化策略研究——以桂林市为例.中国园林，2024，40(4)：15-21

注：本文的论文内容全部来源于以上文献，版权归原作者所有，感兴趣的同学可以自行下载阅读。

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