Table 4. The proportion of total area sampled for each of three types of UA found on the island of Montreal.
| Type of social organization managing UA | |||
| Type | Number of respondents | Total area surveyed in km 2 (% of total) | Total area estimated to be cultivated on the island in km 2 (% total) |
| Community and personal gardens | 83 | 0.001 (0.04%) | 13.9 (77.34) |
| Collective, school, business, and institution gardens | 50 | 0.02 (0.74%) | 0.03 (0.15) |
| Commercial farms (and large university farms) | 10 | 3.10 (99.21%) | 4.05 (22.5) |
| Total | 143 (665 gardens) | 3.12 | 18.00 |
| Substrate type in UA | |||
| Type | Number of respondents | Total area surveyed in km 2 | n/a |
| Soil (on the ground) | 89 | 3.1 | |
| Both soil and container | 28 | 0.002 | |
| Containers and roof top | 26 | 0.008 |