Ecological vulnerability assessment for ecological conservation and environmental management

Area of Science:

• Environmental Science
• Ecology
• Geographic Information Science

Background:

• Ecological conservation and environmental management require identifying vulnerable regions.
• Existing assessment methods may not fully integrate diverse influencing factors.

Purpose of the Study:

• To develop a prototype framework for assessing ecological vulnerability.
• To evaluate the impacts of natural, social, economic, pollution, and health factors on ecological vulnerability.
• To map and analyze ecological vulnerability in China.

Main Methods:

• Integration of Geographic Information System (GIS) spatial analysis and Multi-Criteria Decision Analysis (MCDA).
• Construction of a general ecological vulnerability index.
• Spatial assessment of ecological vulnerability across China.

Main Results:

• A significant majority (98.68%) of China's population resides in vulnerable or highly vulnerable ecosystems.
• Central and northwestern provinces exhibit higher ecological vulnerability compared to northeastern and southern regions.
• Key drivers include population pressure, resource depletion, economic growth, pollution, and aging populations.

Conclusions:

• The developed framework provides a robust method for assessing ecological vulnerability.
• The findings underscore the critical ecological vulnerability status in China, necessitating immediate management interventions.
• The framework is adaptable for various scales and can inform policy and decision-making for ecological managers and governments.