Spatiotemporal non-stationarity in green space and stress relationships: Recent evidence from South Korea

Kangjae Lee, Matthew H.E.M. Browning, Yoo Min Park

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A growing body of literature has linked exposure to “green space” (vegetation-rich areas) and other forms of nature to mental health. Exposure-outcome associations at regional or national scales can overlook local associations that define how geographically distinct populations may experience nature differently. Large-scale results might downplay the importance of lived experiences and heterogeneity of human-nature relationships at local scales. The current study examines three types of vegetative cover and identifies how they are associated with perceived stress in South Korea during and before the COVID-19 pandemic. We find forest cover is consistently negatively associated with perceived stress at nationwide scales. In contrast, grass cover and the normalized difference vegetation index (NDVI) show mixed associations with perceived stress at nationwide scales. Models accounting for spatial and temporal variability demonstrate that associations of forest cover, grass cover, and NDVI with perceived stress varies across the country and the study's four-year time horizon. Local governments may need divergent urban greening strategies for health promotion that respond to their specific sociodemographic and pre-existing environmental conditions.

Original languageEnglish
Article number115214
JournalEnvironmental Research
Volume220
DOIs
StatePublished - 1 Mar 2023

Keywords

  • COVID-19
  • Geographically and temporally weighted regression
  • Panel regression
  • Perceived stress level
  • Vegetation

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