Table 2 Summary of the nine extensive green roofs in order of age at time surveyed
From: Vegetation composition of old extensive green roofs (from 1980s Germany)
Roof # | Roof name | Age at survey | Year installed | Area (m2) | Slope (°) | # quadrats | # species |
|---|---|---|---|---|---|---|---|
1 | FH Nürtingen | 23 | 1987 | 258 | 0 | 12 | 32 |
2 | Römermuseum, Köngen | 23 | 1987 | 350 | 17 | 18 | 9 |
3 | Pliensaufriedhof, Esslingen | 33 | 1977 | 500 | 0 | 15 | 11 |
4 | Gärtnereihof Tübingen | 24 | 1986 | 2,160 | 15 | 16 | 21 |
5 | Verkehrsbetrieb Area 1 | 25 | 1986 | 1,860 | 0 | 14 | 21 |
6 | Verkehrsbetrieb Area 2 | 25 | 1986 | 2,064 | 0 | 14 | 21 |
7 | Stuttgart Rathausgaragedach, PV | 21 | 1990 | 1,300 | 0 | 15 | 26 |
8 | Stuttgart Rathausgaragedach, low | 21 | 1990 | 1,000 | 0 | 14 | 30 |
9 | Killesberg Dach | 20 | 1991 | 450 | 30 | 18 | 23 |