Diversity index t-test (Hutcheson 1970) for tree species and genera.
Street tree species | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
---|---|---|---|---|---|---|---|
Shannon-Wiener_H | 1.8343 | NA | 2.3924 | 3.5057 | 3.6873 | 3.9872 | 4.0414 |
Variance | 0.000301 | NA | 0.000457 | 0.000338 | 0.000286 | 0.000251 | 0.000240 |
t: | NA | NA | −20.267 | −39.482 | −7.2704 | −12.941 | −2.447 |
df: | NA | NA | 10355 | 11513 | 15428 | 16631 | 16443 |
p(same): | NA | NA | 1.35E-89 | 7.533E-320 | 3.76E-13 | 4.03E-38 | 0.014416 |
Street tree genera | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
Shannon-Wiener_H | 1.5134 | 1.4734 | 1.5027 | 2.5062 | 2.6289 | 2.8952 | 2.9735 |
Variance | 0.000235 | 0.000371 | 0.000576 | 0.000399 | 0.000330 | 0.000260 | 0.000236 |
t: | NA | 1.623 | −0.95038 | −32.135 | −4.5399 | −10.964 | −3.5174 |
df: | NA | 10112 | 10072 | 11293 | 15381 | 16478 | 16419 |
p(same): | NA | 0.10462 | 0.34194 | 6.95E-217 | 5.67E-06 | 7.12E-28 | 0.000437 |
Park tree species | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
Shannon-Wiener_H | NA | NA | NA | 3.7884 | 3.838 | 4.0751 | 4.0816 |
Variance | NA | NA | NA | 0.000572 | 0.000553 | 0.000544 | 0.000483 |
t: | NA | NA | NA | NA | −1.4777 | −7.158 | −0.2014 |
df: | NA | NA | NA | NA | 5095.9 | 5042 | 5079.3 |
p(same): | NA | NA | NA | NA | 0.13954 | 9.36E-13 | 0.84039 |
Park tree genera | 1902 | 1928–1947 | 1987 | 1996 | 2006 | 2013 | 2019 |
Shannon-Wiener_H | NA | NA | NA | 3.0222 | 3.0457 | 3.1852 | 3.2442 |
Variance | NA | NA | NA | 0.000500 | 0.000474 | 0.000453 | 0.000406 |
t: | NA | NA | NA | NA | −0.75214 | −4.5846 | −2.0117 |
df: | NA | NA | NA | NA | 5091.1 | 5044.4 | 5084.1 |
p(same): | NA | NA | NA | NA | 0.452 | 4.66E-06 | 0.044309 |