Fig. 1. Location of Shennongjia Forestry District and vegetation type distribution in 2007

Fig. 2. Sampling points and topography of Shennongjia Forestry District

Fig. 3. Topographic factor indicator in Shennongjia Forestry District

Fig. 4. Contribution rate of different topographic factors to spatial distribution of vegetation types in Shennongjia Forestry District

Fig. 5. Relationship between grid number of vegetation and topographic factors in Shennongjia Forestry District

Fig. 6. Distribution of dominant vegetation populations on the north and south slopes of Shennongjia

Fig. 7. Relationship between typical vegetation population and altitude and altitude variability coefficient of coniferous forest in Shennongjia

Fig. 8. Relationship between typical vegetation populations and elevation and slope direction of broad-leaved forest in Shennongjia

Fig. 9. Relationship between typical shrub vegetation population and slope and slope variability in Shennongjia