Table 1.

Number of trees (n) and mean (±SE) diameter at breast height (dbh) for green and white ash trees at four residential sites and blue and white ash trees at two woodlots.

SiteGreen ashzWhite ashzSurvey year(s)
ndbh (cm/in)ndbh (cm/in)
Butzel  88.1 ± 1.2/3.2 ± 0.5  8  4.2 ± 0.2/1.7 ± 0.12003, 2004, 2005
Larned1118.0 ± 0.5/7.1 ±0.21123.3 ± 0.7/9.2 ± 0.32003, 2004, 2005
Windemere  727.7 ± 2.5/10.9 ± 1.0  723.3 ± 1.3/9.2 ± 0.52004, 2005
Lakeside  832.0 ±5.3/12.6 ±2.1  933.0 ± 4.7/13.0 ± 1.92005
Blue ashyWhite ashy
Superior Twp.  520.1 ±3.9/7.9 ± 1.5  420.6 ± 2.4/8.1 ±0.92004
Plymouth Twp.  522.2 ±3.7/8.7 ± 1.5  524.2 ± 4.6/9.5 ± 1.82004
Superior Twp.  421.2 ± 2.4/8.3 ± 0.9  423.4 ±4.0/9.2 ± 1.62005
  • zThe same trees were resurveyed each year.

  • yTrees were felled for sampling and new trees were selected each year.