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Julius Gy. Fabos defines greenways as "corridors
of various widths,
linked together in a network in much the same way as our networks
of
highways and railroads have been linked.
The major difference is that nature's super infrastructure
- the greenway
corridor networks - is pre-existent. The river valleys have been
carved
out over many thousands of years. Our linear coastal system with
thousands of miles of barrier beaches, rugged cliffs, or extensive
coastal
wetland and floodplain systems have been formed by nature.
This 'giant circulating system' identified by the US President's
Commission (1987) is our greenway corridor network which needs
to be treated with special care." (Greenways:
The Beginning of an International Movement - Julius Gy. Fabos
and Jack Ahern, 1995)
The intellectual framework for this project categorized greenways
as:
- Recreational Greenways - featuring paths and trails
of various kinds, often of relatively long distances, based on
natural corridors as well as canals, abandoned railbeds, and
other public rights-of-ways. Trails and routes often have scenic
quality as they pass through diverse and visually significant
landscapes. Many successful recreational greenways and green
spaces occur where networks of trails link with water-based recreational
sites and areas.
- Ecological Greenways - significant natural corridors
and open spaces - usually along rivers and streams and ridgelines,
to provide for wildlife migration and biodiversity, nature study,
and appropriate nature studies.
- Cultural and Historic Greenways - places or trails
with historic heritage and cultural values to attract tourists
and to provide educational, scenic, recreational, and economic
benefit. They are ususually along a road or highway, the most
representative of them making an effort to provide pedestrian
access along the route or at least places to alight from the
car. They can also provide high quality housing environments
at the edges of greenway (green space) for permanent and seasonal
housing; accommodate water resources and flood prevention
and sensitively located alternative infrastructure for communing
(e.g. bike paths within urban areas, recycling of waste and storm
water).
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