Article Figures & Data
Tables
- Table 1.
State and total response rates plus population estimates based on 2000 Census data.
State Number of responses Response rate (%) Proportion of population (%) Population (2000 Census) IL 40 20.9 9.4 12,419,660 IN 6 22.2 6.9 6,080,485 MI 25 21.2 6.3 9,938,492 WI 50 20.0 23.4 5,363,708 Overall 123z 21.0 10.5 33,802,345 ↵zState was unknown for two responses.
- Table 2.
Numbers of ash trees as street, park, and private trees per 1,000 residents as reported by the responding communities. Estimated total numbers of ash street, park, and private trees in four Midwest states adjusted for total population.
Item Street Tree Ash Park Ash Private Ash Median ash/1,000 residents 51.4 8.4 156.1 Mean/1,000 residents 60.0 29.9 331.7 Standard deviation 52.4 63.9 469.2 90% Confidence interval 51.7, 68.2 19.2, 40.7 238.2, 425.2 Number of Responses 111 97 70 Four-state Tree Totals z (Median-based) 1,737,441 283,940 5,276,546 Four-state Tree Totals y (Mean-based) 2,028,141 1,010,690 11,212,238 - Table 3.
Median prices in dollars for tree and stump removal costs by state, and a four-state median for five sizes of tree.
State Median Tree & Stump Removal Costs 0–30 cm 30–61 cm 61–76 cm 76–91 cm > 91 cm Illinois (n = 8) $270 $515 $848 $1,230 $1,859 Indiana (n = 8) $156 $338 $613 $893 $1,305 Michigan (n = 9) $215 $440 $650 $950 $1,500 Wisconsin (n = 7) $144 $348 $565 $855 $1,500 Four-state median (n = 32) $184 $413 $670 $1,048 $1,563 - Table 4.
Median base prices and replacement costs for four states and the four-state median.
State Basic Price Replacement Cost Illinois (n = 2,6) $3,136 $393 Indiana (n = 1,4) $2,200 $425 Michigan (n = 5,8) $4,276 $345 Wisconsin (n = 4,7) $2,173 $300 Four-state median (n = 12,25) $2,539 $365 - Table 5.z
Potential losses per 1,000 residents in dollars (to the nearest dollar) giving mean and median values for landscape value, tree removal costs, and replacement costs. Street, park, and public trees are given separately as are the totals for each.
Landscape Values Tree Removal Costs Replacement Costs (median-based) (mean-based) (median-based) (mean-based) (median-based) (mean-based) Street Trees $54,792 $63,960 $21,228 $24,780 $18,761 $21,900 Park Trees $7,468 $26,581 $2,780 $9,897 $3,066 $10,914 Private Trees $166,403 $353,592 $64,469 $136,992 $56,976 $121,071 Total $228,663 $444,133 $88,477 $171,669 $78,803 $153,885 ↵zTable 3 and Table 4 are presented primarily to enable communities to modify estimates of potential economic impacts of EAB for their community.
- Table 6.
Potential region-wide losses in millions of dollars (to the nearest million) giving mean and median values for landscape value, tree removal costs, and replacement costs. Street, park, and private trees are provided separately as are totals.
Landscape Values Tree Removal Costs Replacement Costs (median-based) (mean-based) (median-based) (mean-based) (median-based) (mean-based) Street Trees $1,852 $2,162 $718 $838 $634 $740 Park Trees $252 $899 $94 $335 $104 $369 Private Trees $5,625 $11,952 $2,179 $4,631 $1,926 $4,092 Total $7,729 $15,013 $2,991 $5,804 $2,664 $5,201
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