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Forest-inventory data were collected on plots defined as ?nonforest? by the USDA Forest Service?s Forest Inventory and Analysis (FIA) unit. Nonforest plots may have trees on them, but they do not fit FIA?s definition of forest because the area covered by trees is too small, too sparsely populated…
Author(s): Rachel Riemann
Keywords: forest inventory, trees on nonforest lands, urban forestry, total tree cover, total basal area
Source: Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 44 p.
Year: 2003
Carbon dioxide reduction through urban forestry—Guidelines for professional and volunteer tree planters has been developed by the Pacific Southwest Research Station’s Western Center for Urban Forest Research and Education as a tool for utilities, urban foresters and arborists, municipalities,…
Author(s): E. Gregory McPherson, James R. Simpson
Keywords: urban forestry, carbon dioxide, sequestration, avoided energy
Source: Gen. Tech. Rep. PSW-GTR-171. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 237 p.
Year: 1999
Based on re-measurements (1999 and 2001) of randomly-distributed permanent plots within the city boundaries of Baltimore, Maryland, trees are estimated to have an annual mortality rate of 6.6% with an overall annual net change in the number of live trees of -4.2%. Tree mortality rates were…
Author(s): David J. Nowak, Miki Kuroda, Daniel E. Crane
Keywords: growth projection, land use, urban forest change, urban forestry
Source: Urban Forestry Urban Greening. 2: 139-147
Year: 2004
Describes and illustrates forty-six tree species useful for shade and ornament in Puerto Rico and the Virgin Islands. Information is alsoprovided about planting, maintenance, and appropriate use of trees in urban areas.
Author(s): Thomas H. Schubert
Keywords: Tree planting, urban forestry
Source: Gen. Tech. Rep. SO-27. New Orleans, LA: U.S. Dept of Agriculture, Forest Service, Southern Forest Experiment Station. 91 p.
Year: 1979
A spruce beetle outbreak of unprecedented size and intensity killed most of the spruce trees on millions of acres of forest land in south-central Alaska in the 1990s. The tree mortality is affecting every component of the ecosystem, including the socioeconomic culture dependent on the resources of…
Author(s): Darrell W. Ross, Gary E. Daterman, Jerry L. Boughton, Thomas M. Quigley
Keywords: Ecosystem health, forest health, ecosystem restoration, Alaska, south-central Alaska, wildfire, spruce beetle, wildlife habitat, hydrology, urban forestry
Source: Gen. Tech. Rep. PNW-GTR-523. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 38 p
Year: 2001
The Syracuse Urban Forest Master Plan is one of the most comprehensive urban forest assessments ever developed for a city. This report combines a high-resolution digital urban cover map with field vegetation sampling data from all land uses, a 100-percent street-tree inventory, a survey of city…
Author(s): David J. Nowak, Paul R. O'Connor, [Compilers]
Keywords: urban forestry, urban tree cover, street-tree cover, street-tree inventory, public survey, urban forest planning
Source: Gen. Tech. Rep. NE-287. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 50 p.
Year: 2001
An assessment of trees in Brooklyn, New York, reveal that this borough has approximately 610,000 trees with canopies that cover 11.4 percent of the area. The most common trees are estimated to be tree of heaven, white mulberry, black locust, Norway maple and black cherry. Brooklyn's trees currently…
Author(s): David J. Nowak, Daniel E. Crane, Jack C. Stevens, Myriam Ibarra
Keywords: urban forestry, carbon sequestration, global climate change, air quality, air pollution
Source: Gen. Tech. Rep. NE-290. Newtown Square, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station 107 p.
Year: 2002
Results of the 3-year Chicago Urban Forest Climate Project indicate that there are an estimated 50.8 million trees in the Chicago area of Cook and DuPage Counties; 66 percent of these trees rated in good or excellent condition. During 1991, trees in the Chicago area removed an estimated 6,145 tons…
Author(s): Gregory E. McPherson, David J. Nowak, Rowan A. Rowntree
Keywords: urban climate, air pollution, urban forestry, energy conservation, carbon dioxide, urban ecosystem
Source: Gen. Tech. Rep. NE-186. Radnor, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 201 p.
Year: 1994
Codes for automatic data processing (ADP) are provided for hazardous tree failure data submitted on Report of Tree Failure forms. Definitions of data items and suggestions for interpreting ambiguously worded reports are also included. The manual is intended to insure the production of accurate and…
Author(s): Lee A. Paine
Keywords: hazard trees, hazard reduction, recreation areas, urban forestry, safety standards, data management, computer programs, coding
Source: Gen. Tech. Rep. PSW-29. Berkeley, Calif.: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Exp. Stn. 108 p
Year: 1978
Modeling the effects of increased urban tree cover on ozone concentrations (July 13-15, 1995) from Washington, DC, to central Massachusetts reveals that urban trees generally reduce ozone concentrations in cities, but tend to increase average ozone concentrations in the overall modeling domain.…
Author(s): David J. Nowak, Kevin L. Civerolo, S. Trivikrama Rao, Gopal Sistla, Christopher J. Luley, Daniel E. Crane
Keywords: urban forestry, air quality modeling, photochemistry, urban meteorology, biogenic hydrocarbons, dry deposition
Source: Atmospheric Environment. 34: 1601-1613.
Year: 2000