Table 2. Spearman rank correlation between socioeconomic indicators and the percentage of human population in neighborhoods with below-average neighborhood bird diversity at the municipal district level.
| |
| |
|
Socioeconomic parameter |
Correlation (rho) |
| |
|
Population density (inhabitants/km², 1994) |
0.44** |
|
Average household size (1994) |
−0.03 |
|
Mean age (1994) |
−0.02 |
|
Companies (number/km², 1994) |
0.47*** |
|
Residential vacancy (1995) |
0 |
|
Unemployment (% of employable population, 1996) |
0.25* |
|
Share of households with income < 1000 € (2003) |
0.36* |
|
Share of population with income > 3000 € (2003) |
−0.31* |
|
| |
°p < 0.1, *p < 0.05, **p < 0.01, ***p < 0.001.
|