How can tree management practices effectively mitigate risk?

Tree management practices can effectively mitigate risk primarily through regular pruning and monitoring for disease. This approach focuses on maintaining the structural integrity and health of trees, which are critical factors in reducing the risk of tree failure. Regular pruning helps to remove dead or weak limbs, improve air circulation, and maintain a balanced canopy, all of which can enhance the overall resilience of the tree. Monitoring for signs of disease enables early detection and management of any potential problems that could compromise the tree's health, thus preventing decay or structural weakness that could lead to failure.

The other choices do not directly address effective risk mitigation strategies. For example, increasing a tree's height does not necessarily improve its stability or health. Planting more trees in the area could lead to competition for resources among the trees, which may ultimately affect their health. Reducing a tree's exposure to sunlight can hinder its growth and health, making it more susceptible to pests and diseases. Therefore, regular pruning and monitoring stand out as the most proactive and effective means for managing tree-related risks.