Why is post-fire rehabilitation important for landscapes and soils?

• A. To stabilize soils, prevent erosion, and restore ecological function and habitat.
• B. To increase soil compaction to prevent future fires.
• C. To remove all vegetation and leave bare soil.
• D. To reduce biodiversity to simplify management.

Answer: (A)

After a fire, soils and landscapes are highly vulnerable to erosion and ecological disruption. Rehabilitation focuses on stabilizing soils, preventing erosion, and restoring ecological function and habitat. Establishing ground cover quickly protects the soil from rainfall splash and surface runoff, while roots bind the soil and help rebuild structure. Techniques like reseeding native plants, mulching, contour shaping, and erosion-control features reduce runoff, trap sediments, and promote water infiltration, which protects waterways and soils from further damage. Restoring vegetation and habitat also speeds nutrient cycling, supports wildlife, and helps the landscape recover its natural processes. The other options don’t fit this aim: increasing soil compaction worsens infiltration and structure; leaving bare soil or removing vegetation increases erosion; reducing biodiversity weakens ecosystem resilience and recovery.