An Analysis on the Interaction of Tourism Space among Nine Cities in Pearl River Delta

The interaction of tourism space is the important space interaction model among cities and regions.Using the Ullman's space interaction theory,with the regional tourism practice in Pearl River Delta(PRD),the three basic conditions of tourism space interaction among the nine cities in PRD was analyzed including the complementarity of city tourism functions,the transferability of city tourism elements and the intermediary change of regional tourism developing,as well as the two main forms of tourism space interaction including the tourist flow and the ordinary passenger flow.Some improvement strategies to the existent problems were put forward.In the end,the strength of tourism space interaction among nine cities was estimated with the space-related interaction model,including the contact degree of tourism economy among nine cities,the tourism economy subordinated degree(the remaining six cities to Guangzhou,Shenzhen,Zhuhai in PRD),the tourism attracting scope of nine cities.It benefits to grasp the interaction state of tourism space among the nine cities in the Pearl River Delta.