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Table 4 Number and average with standard deviation of age, diameter at breast height (dbh), tree height (h), crown radius (cr), crown length and crown projection area (cpa) as well as the Expressed Population Signal (EPS) and Autocorrelation (AR) of the analyzed African mahogany (K. senegalensis) in Hanoi based on cardinal direction of sampling site (north, center, east, west)

From: Effects of the urban heat island and climate change on the growth of Khaya senegalensis in Hanoi, Vietnam

  n Age (a) dbh (m) h (m) cr (m) Crown length (m) cpa (m2) EPSa AC
North 35 22.9 ± 12.1 60.2 ± 10.5 18.1 ± 2.5 5.5 ± 0.8 13.6 ± 2.0 98.6 ± 28.9 0.71 0.22
Center 44 38.6 ± 10.1 80.0 ± 14.7 24.9 ± 4.6 6.2 ± 1.7 18.3 ± 4.5 130.7 ± 70.0 0.50 0.37
East 41 41.1 ± 13.3 78.9 ± 14.3 26.8 ± 3.9 7.2 ± 2.1 20.1 ± 3.8 177.2 ± 102.1 0.72 0.31
West 40 30.0 ± 10.1 71.6 ± 13.1 20.0 ± 2.8 6.5 ± 1.2 15.2 ± 2.6 138.8 ± 49.0 0.60 0.29
  1. aBased on the ring width index of tree ring chronologies for the common period, obtained by double detrending of the tree ring series