Table A.4.
Overview of proposed aquatic SPU organisms and their SPG dimensions for the ‘ecological recovery option’
| SPU‐Organism group | Ecological entity | Attribute | Magnitude of effect | Temporal scale | Spatial scale |
|---|---|---|---|---|---|
| Aquatic microbes | Functional group | Processes | Small | Months | (Near) site of application |
| Medium | Weeks | ||||
| Large | Days | ||||
| Aquatic Protozoa | Functional group or population? | Processes or abundance? | Small | Months | (Near) site of application |
| Medium | Weeks | ||||
| Large | Days | ||||
| Algae | Population |
Abundance/ biomass |
Small | Months | (Near) site of application |
| Medium | Weeks | ||||
| Large | Days | ||||
| Aquatic macrophytes | Population |
Abundance/ biomass |
Small | Months | (Near) site of application |
| Medium | Weeks | ||||
| Large | Days | ||||
| Aquatic arthropods | Population |
Abundance/ biomass |
Small | Months | (Near) site of application and possibly watershed for mobile species |
| Medium | Weeks | ||||
| Large | Days | ||||
| Other invertebrates (e.g. worms and molluscs) | Population |
Abundance/ biomass |
Small | Months | (Near) site of application and possibly watershed for mobile species |
| Medium | Weeks | ||||
| Large | Days | ||||
| Aquatic vertebrates (e.g. fish and amphibians) | Individual | Survival | Negligible | < days | (Near) site of application |
| Population | Abundance/biomass |