Integration of In-VEST Habitat Quality Model with Landscape Pattern Indices to Assess Habitat Fragmentation Under the Dynamic Development of Park City: Southwest China Case

Rong Lin, Chris Zevenbergen, Jiahao Wang, Yixuan Li and Liyuan Qian ()
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Rong Lin: School of Architecture and Design, Harbin Institute of Technology, Harbin 150001, China
Chris Zevenbergen: Department of Urbanism, Faculty of Architecture and the Built Environment, Delft University, Julianalaan 134, 2628 BL Delft, The Netherlands
Jiahao Wang: Department of Landscape Architecture, School of Architecture, Southwest Jiaotong University, Chengdu 611756, China
Yixuan Li: Department of Urban Planning and Design, The University of Hong Kong, Pok Fu Lam Road, Hong Kong, China
Liyuan Qian: Department of Landscape Architecture, School of Architecture, Southwest Jiaotong University, Chengdu 611756, China

Land, 2024, vol. 13, issue 12, 1-26

Abstract: With rapid urbanization, the types of land in China’s cities are continuously evolving, irreversibly impacting the habitat patches within urban areas. However, the development of park cities has reversed this trend to some extent, particularly in Chengdu, China. To investigate the influence of land use type changes on habitat quality in Chengdu Tianfu New District, the research team selected remote sensing imagery data from the Landsat satellite for three distinct periods: 2014, 2019, and 2024. By employing a comprehensive approach that includes land cover trajectory analysis, land transfer matrices, FRAG-STATS landscape pattern indices, and the habitat quality module within the In-VEST model, this study analyzes the spatial and temporal evolution of land use patterns and the dynamics of habitat quality categories. The findings reveal: (1) the coverage of trees and shrubs in the study area initially declined but later increased, primarily driven by anthropogenic construction activities. Specifically, the land use types in the built-up areas on the northern side of Tianfu New District underwent notable fluctuations, whereas those on the southern side, adjacent to the Longquan Mountain Range, remained relatively stable. (2) From 2014 to 2019, high-quality habitats were predominantly distributed in the southeast of Tianfu New District, characterized by a robust ecological foundation, high landscape integrity, and strong connectivity of ecological land. In contrast, the areas with the poorest habitat quality were situated in the northern built-up areas of Tianfu New District, exhibiting highly fragmented habitat patches, simple edge shapes, and low connectivity. However, between 2019 and 2024, the overall habitat quality within the study area improved, characterized by an increase in the number of high-quality habitats and continuous expansion of habitat areas. The research findings offer valuable insights into future urban planning, ecological restoration, and conservation efforts in Chengdu Tianfu New District, providing critical guidance for the implementation and strategic development of the park city policy.

Keywords: land use; habitat quality; spatio-temporal characteristics; landscape pattern; spatial pattern; landscape pattern indices (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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