The Evolution of Landscape Patterns and Its Ecological Effects of Open-Pit Mining: A Case Study in the Heidaigou Mining Area, China

Yuxia Zhao, Yang Wang (), Zifan Zhang, Yi Zhou, Haoqing Huang and Ming Chang
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Yuxia Zhao: Haikou Marine Geological Survey Center, China Geological Survey, Haikou 570100, China
Yang Wang: Haikou Marine Geological Survey Center, China Geological Survey, Haikou 570100, China
Zifan Zhang: Natural Resources Comprehensive Survey Command Center, China Geological Survey, Beijing 100055, China
Yi Zhou: Natural Resources Comprehensive Survey Command Center, China Geological Survey, Beijing 100055, China
Haoqing Huang: Research Center of Applied Geology of China Geological Survey, Chengdu 610036, China
Ming Chang: China Energy Information Technology Co., Ltd., Beijing 100011, China

IJERPH, 2023, vol. 20, issue 5, 1-26

Abstract: This paper investigates the impact of land use/cover type changes in the Haideigou open-pit coal mine on the evolution of the landscape patterns and ecological and environmental quality in the mine area, based on medium- and high-resolution remote sensing images in 2006, 2011, 2016, and 2021 using ArcGIS 10.5, Fragstats 4.2, and the Google Earth Engine platform. The results show that: (1) From 2006 to 2021, the area of cropland and waste dumps in the Heidaigou mining area changed significantly, the land use shifted in a single direction, and the overall land use change was unbalanced. (2) Through the analysis of landscape indicators, it was shown that the diversity of the landscape patches in the study area increased, connectivity decreased, and the patches became more fragmented. (3) Based on the changes in the mean value of the RSEI over the past 15 years, the ecological environment quality of the mining area deteriorated first and then improved. The quality of the ecological environment in the mining area was significantly affected by human activities. This study provides an important basis for achieving the sustainability and stability of ecological environmental development in mining areas.

Keywords: land use/cover; landscape pattern; ecological environment quality; remote sensing ecological environment index (RSEI) (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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