入境旅游是一种以人口流动为主要特征的地理现象和社会现象,研究入境旅游是否存在“胡焕庸线”空间分布特征,有助于科学把握入境旅游空间分异规律,促进中国入境旅游发展和加深对“胡焕庸线”地理特征理解。运用变异系数、空间自相关、分层异质性等方法分析了中国入境旅游的“胡焕庸线”空间分布特征,并通过地理探测器等方法分析空间分异格局的影响因素及作用强度,分析中国入境旅游的驱动机理。研究表明：①中国入境旅游区域差距较大,具有较强的空间自相关性,呈现明显的集聚趋势;②入境旅游呈现明显的“胡焕庸线”空间分布特征,由东部到西部地区,逐渐从热点区域过渡到冷点区域,“胡焕庸线”能准确地反映入境旅游空间分布的集疏特征;③各影响因子对入境旅游的影响力差异明显,单个因素对入境旅游的影响力减弱,其中对外经济联系对入境旅游影响最大;④实际利用外资、对外开放程度、旅游接待能力、公共服务设施、区域公共交通、国际旅游开放度是中国入境旅游的核心驱动因素,是“胡焕庸线”特征形成的主要影响因素,推动了入境旅游空间分异格局形成。
Inbound tourism is a kind of geographical phenomenon and social phenomenon which the population mobility is the main feature. Exploring whether the "Hu line" exist in the spatial distribution of inbound tourism is helpful to grasp the spatial differentiation of inbound tourism, promote the development of China's inbound tourism and deepen understanding "Hu line" geographical characteristics.The research uses the coefficient of variation, spatial autocorrelation and the heterogeneity of layered method to analyze "Hu line" spatial distribution of the inbound tourism. And analyzing the influence factors and the effect intensity of the spatial differentiation pattern by Geographic detector. In this way, analyzes the driving mechanism of China's inbound tourism. The research shows that: (1)the gap of inbound tourism in China is relatively large, with strong spatial autocorrelation and obvious agglomeration trend. (2) Inbound tourism of China presents obvious "Hu line" space distribution characteristics, from east to west, make a transition from hot spots to cold spots area, "Hu line" can be an accurate reflection of the collection of hydrophobic characteristics of the spatial distribution of inbound tourism; (3)There are obviously different in the influence of each influencing factor on inbound tourism, and the influence of individual factors on inbound tourism is weakened, among which the economic links have the greatest influence on inbound tourism. (4) Utilization of foreign capital, the degree of opening to outside, the tourist reception capacity, public service facilities, regional public transport, the international tourism openness is the core driving factors of China's inbound tourism, also the main influence factor of "Hu line" characteristics, promotes the formation of spatial diversity of inbound tourism.
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