Table 4.

Estimates of total number of trees and standard error (SE), tree density, percent tree cover, leaf area index (LAI), and most common tree species from 14 cities analyzed using the UFORE model.z

CityNumber of treesTree density (no./ha)Tree cover (%)LAIyMost common tree speciesYearSample typexNo. of plots
Atlanta, GAw9,415,000749,000275.836.72.2Liquidambar styraciflua1997SR205
Baltimore, MDv2,571,000494,000122.921.01.3Fagus grandifolia2004SR200
Boston, MAw1,183,000109,000  82.922.31.0Acer platanoides1996SR217
Casper, WYu   123,000  16,000  22.5  8.90.3Populus sargentii2006RG234
Freehold, NJt     48,000    6,000  94.634.41.6Acer platanoides1998SR144
Jersey City, NJt   136,000  22,000  35.511.50.4Ailanthus altissima1998SR220
Minneapolis, MNs   979,000165,000  64.726.41.0Fraxinus pennsylvanica2004RG110
Moorestown, NJt   583,000  53,000153.428.01.7Acer rubrum2000SR206
New York, NYw5,212,000719,000 altissima1996SR206
Philadelphia, PAw2,113,000211,000  61.915.70.8Prunus serotina1996SR210
San Francisco, CAu   668,000  98,000  55.711.90.4Eucalyptus globulus2004RG194
Syracuse, NYv   876,000119,000134.723.11.2Acer saccharum2001SR197
Washington, DCr1,928,000224,000121.128.61.0Fagus grandifolia2004RG201
Woodbridge, NJt   986,000  97,000164.329.51.6Liquidambar styraciflua2000SR215
  • zDivide tree density (no./ha) by 2.471 to convert to no./ac.

  • yTotal tree leaf area divided by total city area.

  • xSR = stratified random; RG = randomized grid.

  • wData collected by ACRT, Inc.

  • vData collected by U.S. Forest Service.

  • uData collected by city personnel.

  • tData collected by New Jersey Department of Environmental Protection.

  • sData collected by Davey Resource Group.

  • rData collected by Casey Trees Endowment Fund and National Park Service.