Fig. 5: Spatial relationships between environmental factors and soil fungal communities.
From: Tourism disturbance gradient effects on soil fungal communities in southern China’s karst grassland
The following figures illustrate the horizontal redundancy analysis (RDA) plots for phylum (a) and genus (b). The length of the arrow represents the strength of the environmental factor's influence on community changes. The longer the arrow, the greater the influence of the environmental factor. The angle between the arrow and the coordinate axis represents the correlation between the environmental and coordinate factors. The smaller the angle, the higher the correlation. The closer the sample point is to the arrow, the stronger the effect of the environmental factor on the sample. If the sample is located in the same direction as the arrow, it indicates a positive correlation between the environmental factor and the changes in the sample species community. If the sample is located opposite to the arrow, it indicates a negative correlation between the environmental factor and the changes in the sample species community. ND no disturbance, LD light disturbance, MD moderate disturbance, SD severe disturbance.
