Research on spatial distributions and accessibility of scenic areas in the Yangtze River Delta

doi:10.12302/j.issn.1000-2006.202107010

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2022, Vol. 46 ›› Issue (6): 294-303.doi: 10.12302/j.issn.1000-2006.202107010

Special Issue: 南京林业大学120周年校庆特刊

Research on spatial distributions and accessibility of scenic areas in the Yangtze River Delta

XU Hao(), HUANG Ting, LIU Wei, WANG Hao

College of Landscape Architecture,Nanjing Forestry University,Nanjing 210037,China

Received:2021-07-06 Revised:2022-08-19 Online:2022-11-30 Published:2022-11-24

Abstract

Abstract:

【Intention】The Yangtze River Delta has formed many scenic areas with its rich natural and cultural landscapes, which impacts the construction of ecological protection patterns and the development of regional green integration. The quantitative analysis of the distribution and accessibility characteristics of scenic spots in the Yangtze River Delta, the construction of a research framework on the spatial distribution and accessibility of scenic spots at the regional scale, and the overall analysis of the spatial structure of the scenic spots system in the Yangtze River Delta region will help rationalize the use of scenic resources and promote the sustainable development of the region. 【Method】The spatial distribution and accessibility of 123 scenic areas in the Yangtze River Delta were analyzed using ArcGIS platform and mathematical models considering the multi service radius and the level as well as the type of scenic areas.【Result】(1) The Yangtze River Delta scenic areas are “dense in the south and sparse in the north” and range from random to dispersed. (2) The discrepancy of accessibility distribution is significant, and the spatial polarization varies under three search radius. With the increase of the radius threshold, the accessibility level has an overall upward trend. In addition, the accessibility aggregation characteristics of counties are higher under the three radii, and the hot areas are mainly distributed in Huangshan, Xuancheng, Lishui, Hangzhou, Jinhua, Suzhou and Wuxi, while the cold areas appear in Shanghai and its surrounding areas. (3) Among the different levels, the accessibility of national scenic areas is better than that the of provincial scenic areas. The accessibility of independent scenic areas is better than the combined urban and scenic areas. (4) Accessibility is affected by different objective factors, and the degree of correlation is in the order of: distribution density of scenic areas > population distribution > road network density. 【Conclusion】The distribution and accessibility of scenic areas in the Yangtze River Delta show significant regional differences. This research provides a reference for the integration of resources, systematic management and regional tourism development in the scenic areas in the Yangtze River Delta.

Key words: scenic area, the Yangtze River Delta, spatial structure, accessibility

CLC Number:

TU985

XU Hao, HUANG Ting, LIU Wei, WANG Hao. Research on spatial distributions and accessibility of scenic areas in the Yangtze River Delta[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2022, 46(6): 294-303.

Figures/Tables 10

Fig.1

Fig.2

Table 1

Near-neighbor indexes of the distributions of scenic areas in the Yangtze River Delta"

项目 item	风景区等级/类型 scenic areas level/type	$d i$ /km	$d -$ /km	I_NNI	Z	P	分布类型 distribution type
等级level	国家级national	50.50	47.93	1.05	0.64	0.52	随机
	省级provincial	32.98	32.46	1.02	0.28	0.78	随机
类型type	城景结合型combined urban and landscape	44.59	44.62	0.99	-0.01	0.99	随机
	独立型independent	35.75	33.67	1.06	1.05	0.29	随机
	风景区scenic area	29.00	26.87	1.08	1.69	0.09	随机→离散

Table 1

Fig.3

Table 2

Fig.4

Table 3

Fig.5

Fig.6

Table 4

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搜索半径 search radius	可达性 accessibility	值域 range	区/县数量 number of districts/ counties	均值 mean	标准差 SD
	好	≥16.36~38.82	3	33.79	5.11
	较好	≥8.41~16.36	7	12.56	2.10
1h	一般	≥3.16~8.41	13	5.12	1.19
	较差	≥1.06~3.16	32	2.01	0.56
	差	≥0.00~1.06	252	0.17	0.25
	好	≥10.95~42.32	1	43.32	0.00
	较好	≥5.25~10.95	8	7.82	1.73
3h	一般	≥2.75~5.25	17	3.93	0.76
	较差	≥0.98~2.75	72	1.67	0.48
	差	≥0.00~ 0.98	209	0.27	0.27
	好	≥6.35~10.78	2	10.26	0.52
	较好	≥2.95~6.35	15	4.16	0.93
5h	一般	≥1.30~ 2.95	48	1.82	0.44
	较差	≥0.52~ 1.30	116	0.80	0.20
	差	≥0.03~ 0.52	126	0.23	0.14

搜索半径search radius	Moran’I	Z
1h	0.199	5.93
3h	0.132	5.06
5h	0.351	9.88

搜索半径 search radius	风景名胜区分布密度 density of distribution of scenic areas	路网密度 road density	人口分布 population distribution
1h	0.195^**	-0.130^*	-0.166^*
3h	0.167^**	-0.138^*	-0.196^*
5h	0.319^**	-0.092	-0.227^**

Research on spatial distributions and accessibility of scenic areas in the Yangtze River Delta

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