What factor can affect the aesthetic injury level observed in plants?

The aesthetic injury level observed in plants can be significantly influenced by the distance from walkways. When plants are located close to high-traffic areas, they are more susceptible to physical damage from foot traffic, equipment, or landscaping activities. This proximity can lead to observable harm, diminishing the overall appearance of the plants. The close interaction with pedestrians and the potential for mechanical injury can contribute to a higher level of observed injury, affecting not just the health of the plants but also their visual appeal.

Soil type, humidity levels, and time of day can also impact plant health in various ways, but they typically relate less directly to the observable aesthetic injury from environmental or human interactions. Soil type affects nutrient availability and drainage, humidity influences plant moisture levels, and time of day can alter light exposure, but these factors generally do not specifically correlate to the immediate aesthetic injuries caused by proximity to pathways.