Evolution and change of an urban greenspace: A case study on the outer ring of Shanghai

WANG Qiong; WU Bin; YAO Shenjun; WU Jianping; ZHOU Ying; ZHANG Jing

doi:10.3969/j.issn.1000-5641.2021.02.010

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Article Navigation > Journal of East China Normal University (Natural Sciences) > 2021 > (2): 100-109

WANG Qiong, WU Bin, YAO Shenjun, WU Jianping, ZHOU Ying, ZHANG Jing. Evolution and change of an urban greenspace: A case study on the outer ring of Shanghai[J]. Journal of East China Normal University (Natural Sciences), 2021, (2): 100-109. doi: 10.3969/j.issn.1000-5641.2021.02.010

Citation:

WANG Qiong, WU Bin, YAO Shenjun, WU Jianping, ZHOU Ying, ZHANG Jing. Evolution and change of an urban greenspace: A case study on the outer ring of Shanghai[J]. Journal of East China Normal University (Natural Sciences), 2021, (2): 100-109. doi: 10.3969/j.issn.1000-5641.2021.02.010

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Evolution and change of an urban greenspace: A case study on the outer ring of Shanghai

doi: 10.3969/j.issn.1000-5641.2021.02.010

WANG Qiong^{1, 2},
WU Bin^{1, 2},
YAO Shenjun^{1, 2},
WU Jianping^{1, 2
,
,},
ZHOU Ying³,
ZHANG Jing³

1.
Key Laboratory of Geographic Information Science (Ministry of Education), East China Normal University, Shanghai　200241, China
2.
School of Geographic Sciences, East China Normal University, Shanghai　200241, China
3.
Shanghai Greening and Appearance Administration, Shanghai　200040, China

Received Date: 2019-11-15
Publish Date: 2021-03-30

Abstract

Abstract

Urban greenspace is an important part of the urban green system and urban landscape, with important ecological, social, psychological, and economic functions. The evolutionary trajectories and change patterns of urban greenspaces are of great significance to the sustainable development of urban green space systems and the optimization of the urban ecological network. There is ongoing emphasis on urban greenspace research; most previous research studies on greenspace changes have used landscape indices and spatial analysis methods, which struggle to accurately reflect the change process, change types, and spatial distribution patterns of greenspace. In our paper, seven types of greenspace evolution were defined, including continuous, expansion, contraction, dissipation, creation, merging, and splitting. Then, an evolution graph was constructed by defining greenspace patches as nodes and greenspace evolution relations as edges. Based on the greenspace evolution graph, the greenspace evolution process and its corresponding evolutionary trajectory were further extracted and visualized. Taking the Shanghai city center as a case study area, the spatial distribution pattern and change process of the urban greenspace for 2008, 2012, and 2016 were extracted. Results indicated that the most dominant greenspace evolution types were creation and dissipation. The newly added urban greenspace patches were more evenly distributed compared with those patches involved with an evolution type of dissipation. Small patches were more likely to be located in the urban center, while large patches tended to be concentrated in rural areas. The location of greenspace patches that disappeared were mostly concentrated in non-central areas, particularly in the Pudong New Area. Compared with the urban greenspace changes between 2008 and 2012, locations where new greenspace appeared between 2012 and 2016 were more evenly distributed, while locations where greenspace disappeared were more concentrated.
- urban greenspace,
- types of evolution,
- evolutionary graph/evolution track,
- greenspace change

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References(34)

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