Island tourism is favored by residents under the pursuit of enjoyable tourism and immersive tourism.Public service facilities include not only government-led welfare facilities such as education,medical care,and public transportation,but also individual-run for-profit facilities such as catering and shopping.The development of tourism inevitably promotes the for-profit service facilities to have a strong group tendency,which makes it impossible to achieve the requirement of fairness in infrastructure configuration.Therefore,under the guidance of the people-oriented planning concept,it is necessary to understand the temporal and spatial behavior of the two,and the infrastructure configuration needs to take into account the islanders and tourists,reflect group fairness,and minimize the idle rate of tourist facilities during the off-season.In addition,not all basic service facilities on the island shoulder the pressure of serving islanders and tourists at the same time.Therefore,the study area must be delineated.The delineation of the research area needs to start from the spatial scope of the space-time behavior of islanders and tourists.The infrastructure in the overlapping area is considered to have a higher degree of sharing.This article collects data on islanders in the off-season and tourist data in the peak season.Refer to the existing research and use the K-means clustering method to classify islanders and tourists into different space-time behavior patterns,and analyze the characteristics and laws of behavior patterns.Multiple logistic regression was used to analyze the influencing factors of the space-time behavior patterns of islanders and tourists.Use nuclear density analysis method to map the space-time behavior range of islanders and tourists.Use the nuclear density analysis map to delineate the overlapping area of the space behavior range of islanders and tourists.According to the principle that the infrastructure in the overlapping area of the behavior space has a higher degree of sharing,use the UNA tool to evaluate and analyze the rationality of the infrastructure,and propose an optimization plan.The main conclusions of the study include:(1)The space-time behavior patterns and influencing factors of Islanders and tourists.Tourists can be divided into sightseeing,swimming,and sea-catch tourism patterns.Among them,swimming activity is the necessary activity for tourists to travel on the island,followed by more tourists to participate in island sightseeing tourism.sea-catch tourism pattern accounts for the smallest proportion,and tourism companions have a greater impact on individual spatiotemporal behavior mode.Developing diversified tourism products to meet the needs of tourists is one of the breakthrough points of island tourism development.The daily behavior patterns of islanders are mainly employment oriented,family oriented and leisure oriented.Family structure and employment status have great influence on the daily space-time behavior patterns of islanders.(2)The scope of space-time behavior.The behavior space of Islanders and tourists displayed by the nuclear density analysis chart shows the spatial characteristics of small-scale agglomeration and large-scale dispersion.The results show that the possibility of behavior space conflict between Islanders and tourists is small,only the center of Dachangshan island and Guanglu Island town is the overlapping area of behavior space between islanders and tourists,and the sharing degree of public service facilities in the area is the highest,which is the area where islanders and tourists are prone to have space conflict.This conclusion becomes the basis for further space optimization.(3)Evaluation and optimization of infrastructure configuration.Using the Reach function of the UNA tool to analyze the availability and accessibility of dining and shopping facilities,it is found that: First,in the center of Guanglu Island,the area with the highest degree of use of dining facilities by islanders is located between residential buildings in the community.However,the areas where the catering facilities can be used by tourists are located on both sides of the main road for tourists to enter and exit the island.In addition,shopping facilities are more inclined to serve the islanders,and there are fewer shopping facilities for tourists within 800 meters.Second,the area southeast of Changhai County People’s Hospital on Dachangshan Island is a reasonable allocation area for catering and shopping facilities,which can reflect the fairness of the group.Third,the area near the Dachangshan Island Government Plaza is an area with a shortage of catering and shopping facilities.The facilities in the area are under pressure to serve the islanders.However,there is repeated construction of shopping facilities in the Changhai Mall area on the left side of the area.On the right side of the district,near the Changhai County Senior Middle School,there is repeated construction of catering facilities,so the repeated construction of catering and shopping facilities on both sides can be transferred to the vicinity of the government square. |