Ecological Considerations in Transportation Systems

by Beatrice E. Willard, Member; Council on Environmental Quality, Executive Office of the President, Washington, D.C.,


Serial Information: Engineering Issues: Journal of Professional Activities, 1975, Vol. 101, Issue 3, Pg. 329-336


Document Type: Journal Paper

Abstract: Seven basic ecological principles are explained, together with the ways these principles assist in achieving the environmental goals established by Section 101a of the National Environmental Policy Act of 1969. Evolving from these seven ecological principles are 14 practical approaches to planning, designing, and constructing transportation systems. (1) Everything affects everything else; (2) more information is needed at all stages; (3) five examples are given; (4) conform transportation corridors to topography and vegetation types; (5) utilize cleared trees; (6) use native plants; (7) choose construction materials; (8) select disturbed ecosystems over more stable ecosystems; (9) move topsoil; (10) map vegetation types; (11) work with local communities; (12) carry out follow-up studies; (13) calculate the monetary contributions; and (14) establish and maintain continuing dialogue with environmental groups.

Subject Headings: Ecosystems | Vegetation | Construction materials | Sustainable development | Information management | Transportation corridors | Topography

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