Assessment of Urban Blue-Green Space Landscape Ecological Health Based on the GST-AHP-TOPSIS Composite Model

Table 4

Weights of various factors in the comprehensive evaluation indicator system for urban blue-green space LEH effectiveness.

Target layer A	Criterion layer D	Weight	Indicator layer P	Weight	Total weight ranking
Comprehensive evaluation of the landscape ecological health of a healthy urban blue-green space	: Green space vegetation coverage	0.2608	: Forest coverage rate	0.3237	0.0844
			: Green area coverage rate	0.2257	0.0589
			: temperature regulation capability	0.1661	0.0433
			: Air humidity regulation	0.1160	0.0303
			: CO2 absorption capacity	0.0706	0.0184
			: Distribution of green areas	0.0591	0.0154
			: Urban greening rate	0.0388	0.0101
	: Ecosystem diversity	0.4816	: Wetland conservation level	0.0631	0.0304
			: Diversity index	0.1454	0.0700
			: Natural landscape integrity	0.2248	0.1083
			: Water quality health	0.0374	0.0180
			: Ecosystem services	0.4187	0.2016
			: Species richness	0.1106	0.0533
	: Air quality and water quality	0.1864	: River and lake health	0.1484	0.0277
			: Water accessibility	0.0405	0.0075
			: Pollutant adsorption	0.0624	0.0116
			: Wastewater treatment efficiency	0.1045	0.0195
			: Water Quality Index	0.2686	0.0501
			: Air Quality Index	0.3755	0.0700
	: Social engagement and health	0.0713	: Community Health Index	0.3548	0.0253
			: Facility maintenance and upkeep	0.0324	0.0023
			: Timeliness of services	0.0680	0.0048
			: Psychological health improvement	0.2362	0.0168
			: Ecological corridor connectivity	0.0450	0.0032
			: Public participation	0.1594	0.0114
			: Environmental protection	0.1042	0.0074