Title

Effect of Street Lamps on Two Species of Urban Street Trees

Date

5-26-2016 1:30 PM

End Time

26-5-2016 3:30 PM

Location

WUC Pacific Room

Department

Biology

Session Chair

Kristin Latham

Session Chair

Jeff Snyder

Session Title

Research in the Biological Sciences

Faculty Sponsor(s)

Ava Howard

Presentation Type

Poster session

Abstract

Different species and cultivars of trees may react differently to exposure to street lamps, and comparing these differences between species could help us understand which kinds of trees are better suited to living in an urban environment. For two different species, the three closest trees (less than six meters away) and the three furthest trees (more than 22 meters away) from a lamp were chosen, and their height and DBH (diameter of trunk at 1.3 m up from the ground) was measured, as well as photosynthetically active radiation from street lamps at night. Proximity to a light source did not cause statistically significant differences between trees, however, trees closer to lamps trended towards a larger DBH at similar heights. These species both appear to be well adapted to an urban environment. Further studies with more species under different lamp types are needed to allow for generalization of these results.

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May 26th, 1:30 PM May 26th, 3:30 PM

Effect of Street Lamps on Two Species of Urban Street Trees

WUC Pacific Room

Different species and cultivars of trees may react differently to exposure to street lamps, and comparing these differences between species could help us understand which kinds of trees are better suited to living in an urban environment. For two different species, the three closest trees (less than six meters away) and the three furthest trees (more than 22 meters away) from a lamp were chosen, and their height and DBH (diameter of trunk at 1.3 m up from the ground) was measured, as well as photosynthetically active radiation from street lamps at night. Proximity to a light source did not cause statistically significant differences between trees, however, trees closer to lamps trended towards a larger DBH at similar heights. These species both appear to be well adapted to an urban environment. Further studies with more species under different lamp types are needed to allow for generalization of these results.