A Practical Approach to Assessing Structure, Function, and Value of Street Tree Populations in Small Communities

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Figure 1.
Process flow chart.
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Figure 2.
Zone segment and city area map.
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Figure 3.
Relative age distribution of selected tree species and total public tree population.
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Figure 4.
Average annual environmental benefits of a single public tree by tree type.
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Figure 5.
Average annual benefits by zone segment.
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Figure 6.
Comparison of two populations of three prevalent street trees using square root straight-line transformations and 95% confidence intervals (CI).

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Table 1.
Predicted dbh (cm) of 24 “trees” from Modesto by tree and age class.
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Table 2.
Davis land area classified to determine the citywide effective runoff coefficient of 0.33.
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Table 3.
Public and private street tree population estimates (se in parentheses).
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Table 4.
Simpson’s diversity index by zone (C).
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Table 5.
Total annual benefits produced by public and private street trees in Davis (weighted averages).
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Table 6.
Average (weighted) annual benefits ($) produced by tree types as a function of dbh class (NP = No public trees present in age class).
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Table 7.
Summary of zone management needs.
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Table 8.
Equality of slopes and intercepts of three species among populations in Davis and Modesto.