| 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 |
, 
