Article Figures & Data
Figures
- Figure 1.
a–b) Orchard Grove, planted with Lavalle hawthorn is on the top, and c–d) Morton Avenue, planted with Sunburst honeylocust is on the bottom. Photos were taken in the years noted on each photograph.
Tables
- Table 1.
Height, caliper and spread of two tree species planted in Brooklyn, OH, after 46 growing seasons in the landscape. A random sample of ten trees was measured for each of the two sites.
Hawthorn Honeylocust Caliper cm (in) Height m (ft) Spread m (ft) Caliper cm (in) Height m (ft) Spread m (ft) Mean 34.5 (13.6) 7.4 (24.3) 7.7 (25.3) 51.5(20.3) 15.3 (50.2) 13.7 (45.0) Std error 6.2 (2.4) 1.0 (3.3) 1.1 (3.6) 2.8 (1.1) 1.4 (4.6) 1.1 (3.6) - Table 2.
Environmental benefits for surviving trees of two species of trees in Brooklyn, OH, for 2009 are presented in U.S. dollars per tree.
Annual benefits Hawthorn Honeylocust P value @ 0.05y mean $/tree SEz mean $/tree SEz Energy $26 0.98 $63 0.49 .00001 CO2 $3 0.06 $10 0.02 .00001 Air quality $5 0.19 $11 0.10 .00001 Storm water $15 0.79 $83 1.40 .00001 Aesthetic/other $14 0.17 $219 0.91 .00001 Total $57 2.40 $430 3.40 .00001 - Table 3.
Stored CO2 includes the carbon stored over 46 growing seasons. Values are provided in U.S. dollars per tree for two species of trees on the streets in Brooklyn, OH.
Species Stored carbon Avoided carbon P value @ 0.05y $/tree SEz $/tree SEz Lavalle hawthorn $2.44 0.63 $2.32 0.22 0.0000 Sunburst honeylocust $8.46 0.79 $4.38 0.08 0.0000 zStandard error of mean.
yProbability of differences between hawthorn and honeylocust means.
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