| Change of seabed substrate or morphology (~ physical loss) | outside | low | past,current,potential future |
| Change of seabed substrate or morphology (~ physical loss) | inside | low | past,current,potential future |
| Disturbance or damage to seabed | inside | low | past,current,potential future |
| Disturbance or damage to seabed | outside | low | past,current,potential future |
| Extraction of seabed or subsoil (e.g. sand, gravel, rock, oil, gas) | inside | low | past,current,potential future |
| Extraction of seabed or subsoil (e.g. sand, gravel, rock, oil, gas) | outside | low | past,current,potential future |
| Input of sound | inside | high | past,current,potential future |
| Input of sound | outside | high | past,current,potential future |
| Input of nutrients and organic matter | inside | low | past,current,potential future |
| Input of nutrients and organic matter | outside | low | past,current,potential future |
| Input of contaminants (synthetic substances, non-synthetic substances, radionuclides) - diffuse sources, point sources, acute events | inside | medium | past,current,potential future |
| Input of contaminants (synthetic substances, non-synthetic substances, radionuclides) - diffuse sources, point sources, acute events | inside | high | potential future |
| Input of contaminants (synthetic substances, non-synthetic substances, radionuclides) - diffuse sources, point sources, acute events | outside | medium | past,current,potential future |
| Input of CO2 [and other greenhouse gases] | inside | medium | past,current,potential future |
| Input of CO2 [and other greenhouse gases] | outside | medium | past,current,potential future |
| Input of litter (solid waste matter, including micro-size litter) | inside | high | past,current,potential future |
| Input of litter (solid waste matter, including micro-size litter) | outside | high | past,current,potential future |
| Extraction or, mortality/injury to, species (targeted, non-targeted) | inside | low | past,current,potential future |
| Extraction or, mortality/injury to, species (targeted, non-targeted) | outside | low | past,current,potential future |
| Disturbance of species | inside | low | past,current,potential future |
| Disturbance of species | outside | low | past,current,potential future |
| Translocation of (native) species | outside | not reported | past |
| Introduction of genetically modified species | outside | not reported | past |
| Introduction or spread of non-indigenous species | inside | medium | past,current,potential future |
| Introduction or spread of non-indigenous species | outside | medium | past,current,potential future |
| Introduction of microbial pathogens | outside | low | past,current,potential future |