Symbiosis Relationship and Symbiosis Quality Evaluation of Regional Tourism: A Case Study on the Greater Changbai Mountains Tourist Area

Table 1

Evaluation index system for the quality of tourism symbiosis units.

Primary indices	Secondary indices	Unit	Index direction
Tourism economy scale	Geographical scale, GS	km^2	Positive
	Tourism resource endowment, TRG	—	Positive
	Number of tourists, NT	10,000 people	Positive
	Tourism income, TI	100 million yuan	Positive
Tourism symbiosis condition	Width of symbiosis interface, S	—	Positive
	Attainable symbiosis level, A	—	Negative
	Scale of potential symbiosis partners, N	Each	Positive
	Symbiosis index, F	—	Positive