Ecological Vulnerability Assessment of the Three Rivers Source Area Based on the Analytic Hierarchy Process DOI Open Access
Jiao Liu, Zhenyan Yi,

Yahui Fang

et al.

Water, Journal Year: 2024, Volume and Issue: 16(14), P. 2023 - 2023

Published: July 17, 2024

The Three Rivers Source, known as the “Water Tower of China”, is birthplace Yangtze River, Yellow and Lancang River. carrying capacity environmental its ecological environment affect balance resource utilization in surrounding areas Source region, are even closely related to country’s ecology economy. Taking region research object, this paper selects six indicator layers their corresponding 23 items that vulnerability region. Nine professors field were invited score screen indicators. Finally, a judgment matrix was established, Analytic Hierarchy Process (AHP) used comprehensively evaluate results show most significant factor affecting reduction area, with weight up 23.4%. This followed by changes terrain, growth development environment, ground trampling effects, vegetation structure, potential integrity natural vegetation. Their weights 19.8%, 18.5%, 15.4%, 13.8%, 12.3%, respectively. area approximately 1.6 times higher than impact on Changes soil terrain primary factors vulnerability. lower vegetation, more fragile ecosystem. Among 20 sites one has an extremely only do not require excessive intervention. By analyzing evaluating different influencing study formulates strategies ensure restoration sustainable It provides theoretical basis for protection, management, construction

Language: Английский

Ecological Vulnerability Assessment of the Three Rivers Source Area Based on the Analytic Hierarchy Process DOI Open Access
Jiao Liu, Zhenyan Yi,

Yahui Fang

et al.

Water, Journal Year: 2024, Volume and Issue: 16(14), P. 2023 - 2023

Published: July 17, 2024

The Three Rivers Source, known as the “Water Tower of China”, is birthplace Yangtze River, Yellow and Lancang River. carrying capacity environmental its ecological environment affect balance resource utilization in surrounding areas Source region, are even closely related to country’s ecology economy. Taking region research object, this paper selects six indicator layers their corresponding 23 items that vulnerability region. Nine professors field were invited score screen indicators. Finally, a judgment matrix was established, Analytic Hierarchy Process (AHP) used comprehensively evaluate results show most significant factor affecting reduction area, with weight up 23.4%. This followed by changes terrain, growth development environment, ground trampling effects, vegetation structure, potential integrity natural vegetation. Their weights 19.8%, 18.5%, 15.4%, 13.8%, 12.3%, respectively. area approximately 1.6 times higher than impact on Changes soil terrain primary factors vulnerability. lower vegetation, more fragile ecosystem. Among 20 sites one has an extremely only do not require excessive intervention. By analyzing evaluating different influencing study formulates strategies ensure restoration sustainable It provides theoretical basis for protection, management, construction

Language: Английский

Citations

2