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  1. Urban tree effects on fine particulate matter and human health

    Overall, city trees reduce particulate matter and provide substantial health benefits; but under certain conditions, they can locally increase particulate matter concentrations. Urban foresters need to understand how trees affect particulate matter so they can select proper species and create appropriate designs to improve air quality. This article details trees'...

    Author(s):
    David J. Nowak
    Year:
    2014
    Keywords:
    Source:
    Arborist News. April 2014: 64 -67.

  2. Houston’s Urban Forest, 2015

    An analysis of the urban forest in Houston, Texas, reveals that this area has an estimated 33.3 million live trees with tree canopy that covers 18.4 percent of the city. Roughly 19.2 million of the city’s trees are located on private lands. The most common tree species are yaupon, Chinese tallowtree, Chinese privet, Japanese privet, and sugarberry. Trees in Houston...

    Author(s):
    David J. Nowak; Allison R. Bodine; Robert E. Hoehn; Christopher B. Edgar; Gretchen Riley; Dudley R. Hartel; Kerry J. Dooley; Sharon M. Stanton; Mark A. Hatfield; Thomas J. Brandeis; Tonya W. Lister
    Year:
    2017
    Keywords:
    Air pollution removal, carbon sequestration, ecosystem services, tree value, urban forestry inventory.
    Source:
    Resour. Bull. SRS–211. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station.
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