南京市紫金山国家森林公园风景林景观的视觉质量评价及因子分析

The Evaluation and Factor Analysis of the Visual Quality of Scenic Forest Landscape:A Case Study of Purple Mountain National Forest Park in Nanjing

以南京市紫金山国家森林公园风景林为研究对象,对景观视觉质量展开评价,分析影响视觉质量的因子及核心成分。采用主成分分析法,把影响因子转化成核心特征指数;结合眼动分析图和特征指数分析影响风景林视觉质量的核心因素。影响视觉质量的特征指数分别为:风景林近自然度、地域文化特征、色彩丰富度、乔木易识别特征以及林内空间感。风景林近自然度、地域文化特征以及色彩丰富度对视觉质量的影响最为重要。以期能够对风景林的经营管理以及植物景观营建有所帮助。

With the scenic forests of Purple Mountain National Forest Park as the object of study,the evaluation on visual quality was conducted in this research to analyze the factors and core components which affected the visual quality.The impact factors were translated into principal components through principal component analysis(PCA),and the visual characteristics when people appreciated scenic forests were analyzed integrated with eye movement diagrams and principal components.Five principal components that influenced visual quality were close-to-nature degree of scenic forests,regional cultural characteristics,abundance of colors,easily-recognized features of arbors and spaciousness in forests respectively.Among the principal components,influences that close-to-nature degree of scenic forests,regional cultural characteristics and abundance of colors had on visual quality were the most significant.The study can be helpful to the management of scenic forests and the plant landscape construction.