Diversity statistics for tree species and genera from 1902 to 2019.
Street tree species | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
---|---|---|---|---|---|---|---|
Number of species | 48 | NA | 80 | 137 | 152 | 180 | 185 |
Number of trees | 5621 | NA | 5303 | 7361 | 8423 | 8255 | 8194 |
Simpson_SDI | 0.24 | NA | 0.18 | 0.07 | 0.06 | 0.04 | 0.04 |
Shannon-Wiener_H | 1.83 | NA | 2.39 | 3.51 | 3.69 | 3.99 | 4.04 |
Evenness | 0.13 | NA | 0.14 | 0.24 | 0.26 | 0.30 | 0.31 |
Inverse SDI | 4.09 | NA | 5.61 | 13.36 | 16.05 | 24.33 | 27.15 |
eH | 6.26 | NA | 10.94 | 33.31 | 39.92 | 53.89 | 56.88 |
Street tree genera | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
Number of genera | 29 | 27 | 45 | 60 | 59 | 64 | 65 |
Number of trees | 5621 | 5195 | 5303 | 7361 | 8423 | 8255 | 8194 |
Simpson_SDI | 0.31 | 0.36 | 0.47 | 0.22 | 0.19 | 0.12 | 0.11 |
Shannon-Wiener_H | 1.51 | 1.46 | 1.50 | 2.51 | 2.63 | 2.90 | 2.97 |
Evenness | 0.16 | 0.16 | 0.10 | 0.20 | 0.23 | 0.28 | 0.30 |
Inverse SDI | 3.27 | 2.79 | 2.14 | 4.61 | 5.24 | 8.07 | 9.40 |
eH | 4.54 | 4.29 | 4.50 | 12.26 | 13.86 | 18.08 | 19.57 |
Park tree species | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
Number of species | NA | NA | NA | 114 | 119 | 140 | 142 |
Number of trees | NA | NA | NA | 2498 | 2605 | 2440 | 2701 |
Simpson_SDI | NA | NA | NA | 0.04 | 0.04 | 0.03 | 0.03 |
Shannon-Wiener_H | NA | NA | NA | 3.79 | 3.84 | 4.08 | 4.08 |
Evenness | NA | NA | NA | 0.39 | 0.39 | 0.42 | 0.42 |
Inverse SDI | NA | NA | NA | 26.12 | 27.13 | 37.16 | 37.08 |
eH | NA | NA | NA | 44.17 | 46.43 | 58.85 | 59.26 |
Park tree genera | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
Number of genera | NA | NA | NA | 56 | 56 | 56 | 59 |
Number of trees | NA | NA | NA | 2498 | 2605 | 2440 | 2701 |
Simpson_SDI | NA | NA | NA | 0.07 | 0.07 | 0.06 | 0.06 |
Shannon-Wiener_H | NA | NA | NA | 3.02 | 3.05 | 3.19 | 3.24 |
Evenness | NA | NA | NA | 0.37 | 0.38 | 0.43 | 0.43 |
Inverse SDI | NA | NA | NA | 13.78 | 14.12 | 16.64 | 17.38 |
eH | NA | NA | NA | 20.53 | 21.03 | 24.17 | 25.64 |