Summary of practices, relative costs, and general outcomes for each restoration site. All parameters related to vegetation are based ranks or categories of numbers of species (see Table 5 for details).
Practices | Sites | ||||||||
---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | I | |
Landform modification | none | Full offshore berm | Partial offshore berm | Wetland fill removal | Full offshore berm | Full offshore berm | Full offshore berm | Full offshore berm | none |
Soil erosion control | PCR + blanket | PCR + blanket | PCR + blanket | blanket | PCR + blanket | Pre-veg mats + container stock | Pre-veg mats + container stock | PCR + blanket | PCR + blanket |
Littoral revegetation | PCR + container stock, protective fencing | PCR + container stock | PCR + container stock, protective fencing | PCR + container stock, protective fencing | PCR + container stock | PCR + container stock | PCR + container stock | PCR + container stock | PCR + container stock, protective fencing |
Upland & wetland revegetation | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings | Seeding + seedlings |
Native species planted-rank (1=high) | 9 | 6 | 2 | 7 | 8 | 4 | 1 | 5 | 3 |
Costs | |||||||||
Total installation costs per area (rank) (1=high) | 7 | 3 | 8 | 9 | 1 | 5 | 2 | 4 | 6 |
Total management costs per area (rank) (1=high) | 6 | 5 | 1 | 8 | 4 | 2 | 3 | 7 | 9 |
Outcomes | |||||||||
Bank erosion | Minor | Minor | Moderate | Minor | Minor | Minor | Minor | Minor | Minor |
Path formation | One-few | Many | Many | One-few | One-few | One-few | Many | Many | One-few |
Native species present-rank (1=high) | 9 | 2 | 1 | 6 | 8 | 6 | 5 | 4 | 3 |
Native species-spread (High=20+, Low=1) | Low | Medium | Medium | High | High | Medium | Medium | Medium | Medium |
Introduced/invasive species present-rank (1=high) | 5 | 1 | 2 | 8 | 9 | 5 | 3 | 3 | 5 |
Introduced/invasive species spread High=5+, Low=1 | Medium | Low | 0 | 0 | Medium | High | Low | Medium | Low |