Table 5.

Results from the multi- and univariate means analyses between selected tree-habitat characteristics and type of tree planter (bed/pit) of the Bloor Street trees, in Toronto, Ontario, Canada, with significant values in bold (analyses performed on subsample, n = 57, except otherwise indicated).

VariableMean of rating (±margin of error)z, yMANOVAMeans analysis (P-value)
BedsPitsFP-ValueOne-way ANOVATwo-tailed t-testMann-Whitney test
Ca (ppm)3,156.35 (±227.79)3,129.45 (±171.73)0.00780.930.930.930.77
EC (dS/m)0.37 (±0.03)0.64 (±0.05)9.850.0030.003y0.0030.002
Mg (ppm)209.32 (±9.42)162.61 (±10.18)5.150.0080.0080.008<0.001
Na (ppm)214.64 (±36.13)880.46 (±84.64)22.58<0.001<0.001y<0.001<0.001
pH7.81 (±0.14)8.34 (±0.12)6.360.0150.0150.0150.012
Sunlight on 21 June (hr)5.92 (±0.34)4.97 (±0.24)5.220.0230.023z0.023z0.026z
  • z Analysis performed on full data set (n = 133).

  • y Significant for Levene’s test, P < 0.05.