Toolkit Topics Introduction to Nonpoint Source Pollution Agriculture Boating and Marinas Erosion and Sediment Control Forestry Laws and Regulations Onsite Wastewater Natural Resource Extraction Roads Stream Corridor and Shoreline Protection Urban Stormwater Runoff Interactive Scenarios Agriculture Construction Residential River Roads Urban BMP Factsheets Preserving Natural Vegetation From Massachusetts Erosion and Sediment Control Guidelines for Urban and Suburban Areas Definition Minimizing exposed soils and consequent erosion by clearing only where construction will occur. Where Practice Applies Natural vegetation should be preserved whenever possible, but especially on steep slopes, near perennial and intermittent watercourses or swales, and on building sites in wooded areas. Advantages Preserving natural vegetation will: Save money on site stabilization Help reduce soil erosion. Save money on landscaping costs. Provide areas for wildlife. Provide buffers and screens aga...