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[Spatial patterns of eco-environmental vulnerability in Daqing City]
Jing Li1, Ping-Yu Zhang, He Li
1Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, China. lijing806521@hotmail.com
Summary
This study assessed eco-environmental vulnerability in Daqing City due to oil exploitation. Higher vulnerability was found in intensive oil regions, though overall response capability offers some protection.
Area of Science:
- Environmental Science
- Ecology
- Resource Management
Background:
- Crude oil exploitation poses significant threats to eco-environmental stability.
- Assessing eco-environmental vulnerability is crucial for sustainable resource management in industrial regions.
Purpose of the Study:
- To establish an index system for assessing eco-environmental vulnerability in Daqing City.
- To analyze the spatial patterns of eco-environmental vulnerability influenced by oil exploitation.
Main Methods:
- Developed an index system considering sensitivity and response capability.
- Employed the improved entropy method for index weight evaluation.
- Analyzed spatial patterns using established model functions.
Main Results:
- In 2009, high eco-environmental sensitivity was concentrated in areas of intensive crude oil exploitation and petrochemical industry.
- Land salinization was identified as a secondary contributing factor to eco-environmental sensitivity.
- The overall eco-environmental response capability was relatively high, mitigating some vulnerability.
Conclusions:
- Eco-environmental vulnerability in Daqing City exhibits significant spatial heterogeneity.
- Districts like Honggang, Sartu, and Longfeng showed higher vulnerability, while Ranghulu and Datong had lower levels.
- Effective management strategies are needed to address localized high-vulnerability zones in oil-producing areas.
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