Analysis Of Spatial Distribution Characteristics Of National Forest Parks In Liaoning Province

The forest park effectively protected the forest landscape resources,provided space for outdoor leisure activities,promoted the development of the forest tourism industry,and injected vitality into the local social economy.The spatial distribution of forest parks directly affects the development of forest tourism industry and people choose tourist destinations.This paper takes the national forest park of Liaoning Province as the research object,and uses the pattern analysis method and GIS spatial analysis method to analyze the landscape plaque characteristics,the nearest neighbor index,the nuclear density,the imbalance index,the Lorenz curve index and the geographical concentration of the forest park.The index,Gini and service scope were studied to explore the spatial distribution characteristics and main influencing factors of national forest parks in Liaoning Province,and to provide decision-making basis for the construction and development of forest parks in Liaoning Province.The analysis of the spatial and temporal distribution characteristics of national forest parks in Liaoning Province shows that:(1)In the past 30 years,the total growth rate of forest parks was 14.71%,of which the fastest growth was in 1990-1995 and 2001-2007,with a growth rate of 68.63%.And 10.78%;(2)From the perspective of landscape patch area,the average area of plaque area in forest park is Ai?3084.93,the coefficient of variation is Ci=95.54%,and the coefficient of variation is large,indicating that there is a big difference in the construction scale of forest parks in Liaoning Province.The largest plaque area is Benxi Huancheng National Forest Park,with an area of 19863.78 hectares and the largest plaque area of Dagushan National Forest Park with an area of 466.67 hectares.(3)From the perspective of spatial distribution characteristics,the overall spatial distribution of national forest parks in Liaoning Province is relatively uneven.The nearest neighbor index is NNI?1.17,and the distribution characteristics are group-like random distribution;the areas with higher nuclear density are mostly concentrated in Shenyang.The central urban agglomerations such as Fushun and the lonely urban agglomeration cities Dalian,Dalian,Fushun and Benxi have nearly 60% of the total forest parks;the forest parks are analyzed by the imbalance index and geographic concentration index.The equilibrium can be seen,the imbalance index S?0.54,the geographical concentration index G=40.16,indicating that the distribution of forest parks is uneven;the concentration of forest parks is calculated,the Gini coefficient Gini=0.813,the distribution uniformity C=0.817 It can be seen that the concentration of forest parks is large and the uniformity of distribution is low.(4)From the scope of services of the forest park,the overall situation of the forest park in Liaoning Province is good,up to 70% in the area that can reach the forest park within 3 hours;the area that can reach the forest park in 5 hours or more is 7.39%.The maximum time to arrive at the park is 8.5 hours.From the distribution frequency of different time periods,the distribution of 1?2 hours is the most extensive,accounting for 29.91% of the total,and the area that can reach the destination within 2?3 hours is 26.53%,within 3?4 hours.The area to reach the destination is 14.87%,and the proportion of this period of time less than 15 minutes is small,only 0.87%;the period of time greater than 6 hours is 2.65%.(5)The main natural factors affecting spatial distribution are topography,water resources and forest resources.Social factors include population distribution,economic development level and traffic network structure.Through analysis,it can be concluded that the natural factors affecting the spatial distribution of forest parks are greater than the society factor.