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Genre/Form: | Internet resource Statistics Statistiques |
---|---|
Additional Physical Format: | Online version: Assessing urban forest effects and values. San Francisco's urban forest. [Newtown Square, PA] : United States Dept. of Agriculture, Forest Service, Northern Research Station, [2007] (OCoLC)905588103 |
Material Type: | Government publication, National government publication, Internet resource |
Document Type: | Book, Internet Resource |
All Authors / Contributors: |
David J Nowak; United States. Forest Service. Northern Research Station. |
OCLC Number: | 140047575 |
Notes: | Cover title. "February 2007." "Urban forest effects model." |
Description: | 22 pages : color illustrations, color maps ; 28 cm. |
Series Title: | Resource bulletin NRS, 8. |
Responsibility: | [David J. Nowak and others]. |
Abstract:
"An analysis of trees in San Francisco, CA reveals that this city has about 669,000 trees with canopies that cover 11.9 percent of the area. The most common tree species are blue gum eucalyptus, Monterey pine, and Monterey cypress. The urban forest currently stores about 196,000 tons of carbon valued at $3.6 million. In addition, these trees remove about 5,200 tons of carbon per year ($95,000 per year) and about 260 tons of air pollution per year ($1.3 million per year). The structural, or compensatory, value is estimated at $1.7 billion. Information on the structure and functions of the urban forest can be used to improve and augment support for urban forest management programs and to integrate urban forests within plans to improve environmental quality in the San Francisco area."
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Related Subjects:(16)
- Urban forestry -- California -- San Francisco -- Statistics.
- Trees in cities -- Valuation -- California -- San Francisco -- Statistics.
- Urban ecology (Biology) -- California -- San Francisco -- Statistics.
- Forest surveys -- California -- San Francisco.
- Urban forestry.
- Trees.
- Leaf area.
- Air quality.
- Carbon sequestration.
- Foresterie urbaine -- Californie -- San Francisco -- Statistiques.
- Arbres dans les villes -- Californie -- San Francisco -- Évaluation -- Statistiques.
- Écologie urbaine -- Californie -- San Francisco -- Statistiques.
- Inventaires forestiers -- Californie -- San Francisco.
- Forest surveys.
- Urban ecology (Biology)
- California -- San Francisco.