ORIGINAL RESEARCH
Simulation and Analysis of Land Use Change
in Jianghuai Hilly Area Based on PLUS Model
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School of Geomatics, Anhui University of Science & Technology, NO. 168 Taifeng Road, Huainan 232001, China
Submission date: 2023-06-26
Final revision date: 2023-09-09
Acceptance date: 2023-10-01
Online publication date: 2023-12-28
Publication date: 2024-02-09
Corresponding author
Weiling Guo
School of Geomatics, Anhui University of Science & Technology, huainan, China
Pol. J. Environ. Stud. 2024;33(2):1899-1914
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ABSTRACT
The Jianghuai-Huai Hilly Region (JHHR), being a crucial agricultural and forestry hub within the
Yangtze River Economic Belt, holds immense significance in investigating land use dynamics under
diverse scenarios. Such exploration not only facilitates the sustainable utilization of land resources but
also contributes to ecological environmental preservation and the advancement of regional economic
and social development. This study aims to analyze the spatial and temporal characteristics and driving
forces of land use in JHHR over the past three decades (1990-2020) using 18 driving factors selected
from both the natural environment and social economy. We have considered four different scenarios,
including Natural Development (ND), Rapid Development (RD), Cultivated Land Protection (CLP), and
Ecological Protection (EP). We used the PLUS model to simulate land use changes in JHHR until 2040,
and we analyzed the spatial distribution pattern of land under different objectives. The results show
that: (1) The main types of land use in the Jianghuai hilly area are arable land and woodland. In the
past 30 years, the land use changes have been relatively stable, the area of arable land and woodland
has continued to decrease, and the construction land has continued to grow; unused land and grassland
have the highest dynamic degree, with the highest comprehensive dynamic degree from 2000 to 2005,
at 0.42%; (2) In 2020, the simulation accuracy of land use in different time spans is high, with a Kappa
coefficient higher than 0.85 and an overall accuracy higher than 92%, both higher than the standard.
(3) The main driving factors for land expansion from 1990 to 2020 were natural factors such as DEM
and slope, and the driving forces for construction land mainly came from socio-economic factors.
(4) There are obvious gaps in land use changes under different scenarios. A comprehensive comparison
of the growth of other types of land use to varying degrees under the ecological protection scenario and
under the protection of ecological land use can be used as the optimal development scenario model.
The scenario simulation can provide an effective reference for the rational planning and management of
land in the Jianghuai hilly area.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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