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Fig 1.

Distribution of sampling points.

The land use of Jiaozi Mountain in 2020, with a spatial resolution of 30 x 30, can be divided into seven types: farmland, forest, grassland, shrubland, wetland, water body and built-up area, according to Global 30 (http://www.globallandcover.com/). The distribution vector data of roads in Jiaozi Mountain in 2015 came from the National Catalogue Service for Geographic Information (https://www.webmap.cn.

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Fig 2.

Contrast photos of forest color in the four seasons.

(A) Before filling before filling. (B) Contrast pictures after filling.

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Table 1.

Spatial composition index of color patches.

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Fig 3.

Proportion of color elements in spring, summer, autumn, and winter.

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Table 2.

Proportion and difference of forest color composition in different seasons.

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Table 3.

Difference analysis of forest color patches in different seasons.

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Fig 4.

Variation trend of SBE value in different seasons of Jiaozi Mountain forest.

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Table 4.

Pearson correlation coefficient between visual behavior and landscape preference.

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Table 5.

Pearson correlation coefficient between visual behavior and landscape preference for forest color in different seasons.

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Fig 5.

Correlation between color characteristics and visual behavior of forest color photos in all seasons.

** denotes p < 0.01, * denotes p < 0.05.

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Fig 6.

Correlation between color characteristics and visual behavior of forest color photos in spring.

AFFT: AOI first fixation time, ATFD: AOI total fixation duration, AFC: AOI fixation count.

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Fig 7.

Correlation between color characteristics and visual behavior of forest color pictures in summer.

AFFT: AOI first fixation time, ATFD: AOI total fixation duration, AFC: AOI fixation count.

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Fig 8.

Correlation between color characteristics and visual behavior of forest color pictures in autumn.

AFFT: AOI first fixation time, ATFD: AOI total fixation duration, AFC: AOI fixation count.

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Fig 9.

Correlation between color characteristics and visual behavior of forest color pictures in winter.

AFFT: AOI first fixation time, ATFD: AOI total fixation duration, AFC: AOI fixation count.

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