Effectiveness Trade-Off Between Green Spaces and Built-Up Land: Evaluating Trade-Off Efficiency and Its Drivers in an Expanding City

Remote Sensing, Journal Year: 2025, Volume and Issue: 17(2), P. 212 - 212

Published: Jan. 9, 2025

Urban expansion encroaches on green spaces and weakens ecosystem services, potentially leading to a trade-off between ecological conditions socio-economic growth. Effectively coordinating the two elements is essential for achieving sustainable development goals at urban scale. However, few studies have measured urban–ecological linkage in terms of trade-off. In this study, we propose framework by linking degraded land use efficiency from return investment perspective. Taking rapidly expanding city as case comprehensively quantified four aspects: heat island, flood regulating service, habitat quality, carbon sequestration. These were assessed 1 km2 grids, along with same spatial We employed slack-based measure model evaluate applied geo-detector method identify its driving factors. Our findings reveal that while Zhengzhou’s periphery over past decades, inner showed improvement island Trade-off exhibited an overall upward trend during 2000–2020, despite initial declines some areas. Interaction detection demonstrates significant synergistic effects pairs drivers, such Normalized Difference Vegetation Index building height, number patches patch cohesion index built-up land, q-values 0.298 0.137, respectively. light spatiotemporal adaptive management strategies. The could serve guidance assist decision-makers planners monitoring context expansion.

Language: Английский

Ternary spatial reconstruction of ecological migration in Jiaochang Village

Heliyon, Journal Year: 2024, Volume and Issue: 10(13), P. e33720 - e33720

Published: June 27, 2024

In 2020, the total number of ecological migrants in China reached 48.73 million; To address this situation, study focuses on Jiaochang Village Sichuan Province as an example order to examine living spaces after immigration. Based Lefebvre's Ternary Space Theory, analyzed spatial reconstruction immigrant village basis rural revitalization three levels, i.e., residential space, social and spiritual by using methods geographic information comparison, field building surveys, structured interviews, network analysis. At same time, comparing eco-migrants' situations before relocation, addition them with those indigenous villagers, adaptation above-mentioned ternary space was examined. The results showed a difference for immigrants people, but relocation larger. There little villagers. unemployment rate higher, interaction intensity their work smaller. appeared very different from that people. migrants' condition slightly worse, preservation traditions stronger than were basically reconstructed, whereas requires more time be organized.

Language: Английский