Alliance for Community Trees News

Delaware Unveils Online Tool To Assess Tree Canopy

By Conni Kunzler | April 3, 2017

Source: “New online tool to assess community tree canopy in Delaware,” News Release

Dover, DE (March 29, 2017) – The Delaware Forest Service (DFS) has unveiled a new online tool that uses geographic information systems (GIS) software to help cities, towns, and neighborhoods to measure and increase their community tree canopy percentage. The link is: de.gov/treecanopy

Developed by the Delaware Department of Agriculture’s GIS specialist Jimmy Kroon, the tool covers the entire First State: municipalities, homeowner associations, and neighborhoods can assess their current level of tree cover as a starting point to explore opportunities to plant new trees or maintain their existing ones.

Tree canopy is important because trees provide numerous natural benefits for air and water quality, lower heating and cooling costs, a reduction in harmful UV radiation, as well as other environmental and social benefits. In particular, trees mitigate the soil erosion and stream pollution caused by impervious surfaces and storm water run-off in urban areas.

Studies show that trees can improve property values and provide scenic beauty, reduce summer peak temperatures, and even improve social ties among neighbors, factors that can help a community attract businesses and residents. One study found a 10% increase in tree cover was linked to a 12% decrease in crime .

Urban tree canopy (UTC) assessment is used to help decision-makers understand their urban forest resources, particularly how much tree canopy currently exists and the amount that could exist. This enables citizens and public officials to identify “plantable space” to locate trees.

The UTC assessment protocols have been applied to dozens of counties, cities, and towns in the United States and Canada. The assessments help inform UTC goals, prioritize tree planting locations, establish urban forestry master plans, and justify spending and potential return on investment (ROI) for urban forestry programs.

 

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