daverau / el-cerrito-trees

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City of El Cerrito, California

  • 3.7 square miles
  • elevation of around 69 feet above sea level
  • average rainfall around 26.3 inches
  • population of roughly 23,549 people

Trees

  • Trees provide annual benefits of $1,313,833
  • 10,315 trees
  • 4,011 available planting sites
  • $307,250 in annual maintenance
  • for every $1 spent on public trees, the residents of El Cerrito receive $4.28 in benefits.
  • More than 270 distinct tree species were identified in the inventory

Predominant tree species

  • Coast live oak (Quercus agrifolia, 8%)
  • London plane tree (Platanus x acerfolia, 7%)
  • Monterey pine (Pinus radiata, 7%)

Age

  • young to intermediate, with 50% of trees measuring between 0 to 6 inches DBH (diameter at breast height, measured at 4’6” above the ground) and another 31% measuring between 7 and 18 inches DBH
  • 48%) were determined to be in good to very good condition, with an additional 47% graded as fair

other

  • The canopy cover provided by the City’s inventoried trees is approximately 108 acres, covering 4.6% of the City’s 3.7 square miles area. Along the streets, this represents about 34.6% coverage of the City’s 68 miles of sidewalks and streets . In the Hillside Natural Area, the forested canopy covers 55.5% (+/- 2.48%) of the 111.6 acre green space or about 2.6% of the City’s total tree canopy.
  • Replacement of El Cerrito's 10,315 public trees with trees of similar size, species, and condition would cost nearly $17.5 million.
  • El Cerrito's current stocking level for inventoried trees is estimated to be 72%, based on a total 14,326 public planting sites, including 10,315 trees, 3,884 vacant sites, 4 sites with shrubs, and 123 sites requiring stump removal prior to replanting.

Savings

  • reduce annual electric energy consumption by 797-megawatt hours (MWh)
  • reduce annual natural gas consumption by 16,859 therms
  • combined value of $120,883 annually
  • removing 1.1 tons of pollutants from the air ($25,000 per year value)
  • reducing annual stormwater runoff volume by 9 million gallons

Hillside Natural Area

  • which encompasses 111.6 acres
  • canopy assessment of 19,634 trees in Hillside Natural area
  • has an estimated overall canopy cover of 55.5%
  • storing approximately 2,688 tons of carbon valued at $55,608
  • annually providing $26,606 in air pollution reduction benefits

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