Analysis of Human-Land Coupled Bearing Capacity of Qiangtang Meadow in Northern Tibet Based on Fuzzy Clustering Algorithm

Table 1

Index system of human-land coupled bearing capacity of Qiangtang meadow in northern Tibet.

Index	Index	Weight	Index
Population resource subsystem	Population situation	0.7	Total population
			Natural growth rate
			Average life expectancy
	Population burden	0.3	Child dependency ratio
			Old-age dependency ratio
Natural resource subsystem	Land resource	0.35	Per capita arable land area
			Crop sown area
			Land use rate
	Water resource	0.35	Per capita water resources
	Energy resource	0.2	Electricity consumption
			GDP energy consumption
	Forest resource	0.1	Forest coverage
Environmental resource subsystem	Environmental pollution control	0.7	Production of industrial solid waste
			Discharge of industrial wastewater
			Industrial wastewater discharge as per standard
			Industrial exhaust emissions
			Investment in environmental pollution control as a proportion of GNP
	Air environmental quality	0.3	—