Seattle Urban Forest Fact Sheet
|Land area by acres*||53,677|
+Based on the 2010 U.S. Census
*Courtesy of The Trust for Public Land
Seattle Urban Forest Facts*
- There are approximately 4.35 million trees in Seattle.
- Researchers have identified 192 tree species in Seattle, 28 of which are native to the
- Puget Sound region.
- The most common tree species are red alder, big leaf maple and beaked hazelnut, which are all native species.
- The replacement value of Seattle’s urban forest is estimated at $4.9 billion.
- Seattle’s trees:
- Store two million metric tons of carbon.
- Sequester 140,000 metric tons of carbon annually.
- Remove 725 metric tons of pollution from the environment annually, valued at $5.6 million.
- Reduce building energy use by $5.9 million annually.
- Seattle’s urban tree canopy is 23 percent.+
* As reported in “Seattle’s Forest Ecosystem Values,” prepared in 2012 by Green Cities Research Alliance
+ As reported to American Forests in its survey of the 50 most populous U.S. cities.
Top 10 Criteria
|Urban Forest Management Plan||Yes, updated in late 2012|
|Urban Canopy Goal||Yes, supported by, but not mandated by, the city government|
|Quality of Urban Forest Compared to Others in Region||Normal, which means some biotic damage and invasive species, some anthropogenic disturbance and some chemical and runoff issues|
|Tree Inventory||Yes, covering public land|
|Tree Species Diversity Plan||Yes|
|Tree Ordinances||Yes, for both public and private lands covering hazard, historic and other trees|
|Comprehensive Greening Plans||Yes, including a Green Infrastructure Plan, Sustainability Plan and Climate Change Plan|
|Types of Greening Initiatives||Protection of open spaces; natural resource restoration;urban forests for environmental justice initiatives;urban forests as part of planning for runoff, erosion and/or flooding; green jobs training; active involvement of environmental stewardship groups|
|Park Acres per 1,000 People||9.00|
|Percentage of Land as Park||10.20|
|Quality of Civic Engagement||Good, with citywide stewardship and neighborhood interactions|
|Tree City USA*||Yes|
|Conference of Mayors Climate Protection Agreement Signatory||Yes|
*Designation awarded by The Arbor Day Foundation to cities that have a tree board or department, a tree care ordinance, a community forestry program with an annual budget of at least $2 per capita and an Arbor Day observance and proclamation.