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6 Green Infrastructure Planning

6 Green Infrastructure Planning - GreenInfrastructure...

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Green Infrastructure  Green Infrastructure  Planning  Planning 
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In this presentation: Green infrastructure planning defined Benefits of protecting and linking green assets
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Green Infrastructure Philosophy  G.I. is the interconnected network of waterways, wetlands, woodlands, wildlife habitats, and other natural areas; greenways, parks, and other conservation lands; working farms, ranches and forests; and wilderness and other open spaces that support native species, maintain natural ecological processes, sustain air and water resources and contribute to health and quality of life. (McDonald, Benedict and O’Conner, 2005).
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Green Infrastructure Principles “An interconnected network of a wide range of landscape  elements that  support   native species,  maintain   natural ecological processes,  sustain  air and water resources, and  contribute  to the health and quality of life for communities  and people.” --  Green Infrastructure: Linking Landscapes and Communities (2006)
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Philosophy cont’d  In short, green infrastructure planning entails: Inventorying green assets and connections, Identifying opportunities for their protection and/or restoration, and Developing a coordinated strategy to channel development and re-development to the most appropriate locations.
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Why do we need to assess Green  Infrastructure? In a word  ‘sprawl’  : U. S. Region U. S. Region Pop. Change Pop. Change Change in  Change in  urbanized land urbanized land Midwest Midwest 7.06% 7.06% 32.3% 32.3% Northeast Northeast 6.91% 6.91% 39.10% 39.10% South South 22.23% 22.23% 59.61% 59.61% West West 17.02% 17.02% 48.94% 48.94% Total U.S. Total U.S. 17.02 % 17.02 % 47.14% 47.14% Source: Fulton, Pendall, Nguyen, Harrison: Who Sprawls Most:  How Growth Patterns Differ Across the U.S., July 2001
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Infrastructure (n): the substructure  or underlying  foundation …on which the continuance and growth of  a community or state depends . What’s In a Name?
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What kind of structure… A planimetric map of a Washington DC neighborhood shows a  neighborhood’s gray infrastructure including buildings and roads (left).  Classified high-resolution satellite imagery adds a green infrastructure  data layer (trees and other vegetation) with its associated environmental  benefits (right).   Source: American Forests
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Green Space vs. Green Infrastructure Green Space Green Infrastructure An amenity A requirement Independent sites Interdependent, interconnected systems Conservation isolated from or opposed to development Conservation in concert with development & growth management Self-sustaining Active maintenance and restoration
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Green Infrastructure Benefits Vital human services, including soil, water, and air filtration,  stormwater management, groundwater recharge, energy use  reduction, and natural hazard mitigation Vital non-human services, including wildlife habitat,  biodiversity protection, and carbon sequestration 
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  • Fall '10
  • Welborne
  • Erosion Control, green infrastructure, Courtesy VA Dept., Image Courtesy VA, Dept. of Conservation and Recreation

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