Landscape ecological risk assessment and driving factor analysis in southwest china.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
05 Oct 2024
05 Oct 2024
Historique:
received:
07
12
2023
accepted:
26
09
2024
medline:
6
10
2024
pubmed:
6
10
2024
entrez:
5
10
2024
Statut:
epublish
Résumé
Landscape ecological risk assessment and ecological network construction are of great significance for optimizing territorial functions and reducing regional ecological risks. Based on the production-living-ecological space perspective, this study evaluated the spatiotemporal differentiation characteristics of landscape ecological risk and its driving mechanism in Southwest China and constructed a landscape ecological network. The results showed that the proportions of ecological space, production space and living space to the total space in 2020 were 74.35%, 24.55% and 1.10%, respectively. The industrial production space had the highest growth rate, increasing by 9.8 times from 2000 to 2020. During the study period, the average value of the ecological risk index ranged from 0.2 to 0.21 for the whole landscape. The geographical distribution of ecological risk zones showed significant differences, with risk zones showing a transition from high-risk and low-risk to medium-risk zones. A total of 105 ecological corridors and 156 ecological nodes have been constructed in the 2020 ecological network. The northeastern part of the study area needs better landscape connectivity and should be focused on ecological protection. Random Forest (RF) and Geodetector modeling showed that anthropogenic disturbance and land use levels have strong explanatory power for the evolution of ecological risk in the landscape. The interactions between anthropogenic disturbance, natural climate and regional economy are essential factors in the spatiotemporal differentiation of ecological risk. This study provides scientific references for ecological risk research and the promotion of high-quality development in Southwest China.
Identifiants
pubmed: 39369067
doi: 10.1038/s41598-024-74506-1
pii: 10.1038/s41598-024-74506-1
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
23208Subventions
Organisme : Foundation of Guizhou University
ID : [2024]35
Organisme : the National Natural Science Foundation of China
ID : 4216070281
Organisme : the Key Laboratory of Molecular Breeding for Grain and Oil Crops in Guizhou Province
ID : Qiankehezhongyindi (2023) 008
Organisme : the Key Laboratory of Functional Agriculture of Guizhou Provincial Higher Education Institutions
ID : Qianjiaoji (2023) 007
Informations de copyright
© 2024. The Author(s).
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