Moderate population recovery stalls or reduces – Major population declines – Catastrophic population extinction. – 5: South-west Population Residual Risk Matrix Likelihood of Consequences occurrence (relevant to species) No long term Moderate Major Catastrophic effect Commercial fisheries or aquaculture equipment Seismic surveys* Almost certain Shipping Whale watching Chronic industrial noise* Likely Infrastructure/ coastal development Marine debris Climate Vessel Collisions variability Possible Acute Industrial noise and change Aircraft Chronic chemical pollution Whaling# Unlikely Acute chemical discharge Overharvesting of prey Rare or unknown * Given the behavioural impacts of noise on southern right whales are largely unknown, a precautionary approach has been taken regarding assignation of possible consequences. # Within the Australian Whale Sanctuary it is an offence to kill, injure, take, trade, keep, move or interfere with a cetacean. Currently no country is whaling southern right whales. Table 6: South-east Population Residual Risk Matrix Likelihood of Consequences occurrence (relevant to species) No long term Minor Moderate Major Catastrophic
Moderate – population recovery stalls or reduces Major – population declines Catastrophic – population extinction. 5: South-west Population Residual Risk Matrix Likelihood of occurrence (relevant to species) Consequences No long term effect Moderate Major Catastrophic Almost certain Commercial fisheries or aquaculture equipment Shipping Whale watching Seismic surveys* Likely Chronic industrial noise* Infrastructure/ coastal development Possible Marine debris Vessel Collisions Acute Industrial noise Aircraft Climate variability and change Unlikely Chronic chemical pollution Acute chemical discharge Whaling# Rare or unknown Overharvesting of prey * Given the behavioural impacts of noise on southern right whales are largely unknown, a precautionary approach has been taken regarding assignation of possible consequences. # Within the Australian Whale Sanctuary it is an offence to kill, injure, take, trade, keep, move or interfere with a cetacean. Currently no country is whaling southern right whales. Table 6: South-east Population Residual Risk Matrix Likelihood of occurrence (relevant to species) Consequences No long term Minor Moderate Major Catastrophic