Table 2. Causal relation of the Private-Initiated Park Development Project and cultural services

Legend	Causal relation
R4	Implementation rate of the Private-Initiated Park Development Project → Area of forest → Area of park facilities → Green area within park facilities → Landscape quality → Population → Number of local commercial districts → Park facility utilization rate → Satisfaction of the Private-Initiated Park Development Project → Implementation rate of the Private-Initiated Park Development Project
B3	Implementation rate of the Private-Initiated Park Development Project → Area of forest → Area of park facilities → Facility area within park facilities → Green area within park facilities → Landscape quality → Population → Number of local commercial districts → Park facility utilization rate → Satisfaction of the Private-Initiated Park Development Project → Implementation rate of the Private-Initiated Park Development Project