Vulnerability assessment of ecological environment of Jinjiang River Basin

LI Jianfeng; ZHU Yuchen; LIU Chunlei; LI Yasong; HAO Qichen; LI Zhenghong

doi:10.16788/j.hddz.32-1865/P.2022.01.010

2022 Vol. 43, No. 1

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Article navigation > East China Geology > 2022 > 43(1): 94-101

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LI Jianfeng, ZHU Yuchen, LIU Chunlei, LI Yasong, HAO Qichen, LI Zhenghong. 2022. Vulnerability assessment of ecological environment of Jinjiang River Basin. East China Geology, 43(1): 94-101. doi: 10.16788/j.hddz.32-1865/P.2022.01.010

Citation:

LI Jianfeng, ZHU Yuchen, LIU Chunlei, LI Yasong, HAO Qichen, LI Zhenghong. 2022. Vulnerability assessment of ecological environment of Jinjiang River Basin. East China Geology, 43(1): 94-101. doi: 10.16788/j.hddz.32-1865/P.2022.01.010

Vulnerability assessment of ecological environment of Jinjiang River Basin

1. Institute of Hydrogeology and Environmental Geology, Shijiazhuang 050061, Hebei, China;
2. Key Laboratory of Groundwater Sciences and Engineering, Ministry of Natural Resources, CAGS, Shijiazhuang 050061, Hebei, China

More Information

Corresponding author: ZHU Yuchen, zhuyuchen413@163.com

Received Date: 09 August 2021

Revised Date: 12 October 2021

Abstract

Abstract

In view of the increasingly prominent ecological geological problems in Jinjiang River Basin, it is urgent to strengthen the protection of ecological environment and carry out ecological environment vulnerability assessment, which can provide decision-making basis for ecological environment protection. The vulnerability assessment model of ecological environment system in Jinjiang River Basin is established. Using Getis-Ord GI* statistical model, Calinski-Harabasz index evaluation clustering model and other evaluation methods, vulnerability assessment is carried out from three aspects:vulnerability classification, main control factors and aggregation characteristics. The results show that in terms of vulnerability, Xixi is more vulnerable than Dongxi, and the upstream is more vulnerable than the downstream. In terms of main controlling factors, the main controlling factors of vulnerability in the southeast plain of Jinjiang River Basin are construction land, primary productivity and soil organic matter. The main controlling factor of vulnerability in Central and Western China is tea planting. In terms of aggregation characteristics, high vulnerability aggregation areas are Gande town of Anxi County and Huyang Town of Yongchun County. Based on the above analysis, the rationality of the current situation of tea plantation distribution in Jinjiang River Basin is evaluated, and specific suggestions for tea plantation spatial optimization are given.
- Jinjiang River Basin /
- vulnerability assessment /
- cluster analysis /
- Getis-Ord Gi* statistical model /
- Calinski-Harabasz index evaluation clustering model /
- optimization of tea planting

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References

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