Ecosystem services | All trees | First tree | Difference between cities | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
IN [%] | OUT [%] | Chi2 | P | IN [%] | OUT [%] | Chi2 | P | Gda [%] | Poz [%] | Chi2 | P | |
Oxygen source | 11 | 11 | 0.010 | 0.920 | 12 | 12 | 0.598 | 0.439 | 10 | 11 | 0.789 | 0.374 |
Wind protection | 6 | 6 | 0.162 | 0.687 | 6 | 6 | 0.507 | 0.476 | 5 | 8 | 3.165 | 0.075 |
Delivery of fruit and nuts | 3 | 3 | 0.101 | 0.751 | 3 | 3 | 0.293 | 0.588 | 3 | 3 | 0.067 | 0.796 |
Tree as witness to history | 2 | 2 | 0.100 | 0.752 | 2 | 2 | 0.839 | 0.360 | 3 | 2 | 0.159 | 0.690 |
Supplying wood, branches and leaves | 1 | 2 | 0.089 | 0.765 | 1 | 2 | 0.614 | 0.433 | 2 | 1 | 0.479 | 0.489 |
Noise reduction | 6 | 6 | 0.016 | 0.899 | 5 | 6 | 0.798 | 0.372 | 5 | 7 | 1.302 | 0.254 |
Impact on aesthetics of space | 11 | 9 | 3.194 | 0.079 | 13 | 10 | 1.013 | 0.314 | 11 | 9 | 2.739 | 0.098 |
Educational usefulness | 2 | 3 | 1.591 | 0.207 | 1 | 3 | 3.514 | 0.061 | 2 | 3 | 0.419 | 0.517 |
Sense of intimacy, separating from neighbours | 5 | 3 | 1.790 | 0.181 | 4 | 4 | 0.031 | 0.861 | 5 | 3 | 1.070 | 0.301 |
Positive impact on health and well-being | 9 | 9 | 0.010 | 0.920 | 9 | 9 | 0.318 | 0.572 | 9 | 9 | 0.061 | 0.805 |
Habitat and food source for animals | 7 | 7 | 0.026 | 0.872 | 6 | 7 | 0.684 | 0.408 | 7 | 7 | 0.003 | 0.958 |
Regulating air humidity and soil moisture | 5 | 5 | 0.256 | 0.613 | 5 | 5 | 0.147 | 0.701 | 5 | 5 | 0.027 | 0.869 |
Strengthening interpersonal bonds | 4 | 3 | 0.849 | 0.357 | 4 | 3 | 0.000 | 0.997 | 4 | 3 | 0.361 | 0.548 |
Air purification | 9 | 10 | 0.265 | 0.607 | 10 | 10 | 0.648 | 0.421 | 9 | 10 | 0.436 | 0.509 |
Protection against snowdrifts | 2 | 1 | 0.987 | 0.320 | 2 | 1 | 0.773 | 0.379 | 2 | 2 | 0.038 | 0.845 |
Place of recreation | 9 | 9 | 0.016 | 0.899 | 8 | 8 | 0.754 | 0.385 | 9 | 9 | 0.001 | 0.973 |
Sun protection (shade) | 8 | 10 | 0.276 | 0.599 | 8 | 10 | 1.579 | 0.108 | 8 | 10 | 1.149 | 0.284 |
Outdoors | Indoors | Total | |||||
---|---|---|---|---|---|---|---|
Total outdoors | Male | Female | Total indoors | Male | Female | ||
Gdańsk | 21 | 9 | 12 | 55 | 24 | 31 | 76 |
Poznań | 20 | 7 | 13 | 22 | 6 | 16 | 42 |
Total | 41 | 16 | 25 | 77 | 30 | 47 | 118 |