Maximizing Space for the Tree Roosts in the Built Environment
Landscape Architects and other design professionals
Root systems naturally spread further than the branches with fine roots proliferating in soils near the surface where organic matter is high. Structures in the built environment restrict root spread. Soils are often compacted and paved over.
Sustainable Development & Design
Health, Safety and Welfare
Discuss basic root biology and how root systems develop or show lack of development under varied types of pavement.
Discuss the need for soil engineering to allow for root growth and to keep pavement from subsiding.
Discuss pavement choices for water penetration and oxygen movement to the roots through best practice techniques from sound research.
Discuss the positive opportunities despite high installation costs to balance longer-lived trees and the benefits they can provide to the environment and community.
Gary Watson; Lead Scientist, Arboriculture, The Morton Arboretum
Illinois Chapter ASLA
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