Likelihood of Consequences occurrence No long term Minor Moderate Major Catastrophic (relevant to effect species) Almost certain Commercial fisheries or aquaculture equipment Likely Shipping noise* Possible Marine debris Vessel collisions Climate variability Seismic surveys* and change Unlikely Whale Chronic chemical Whaling ∆ watching pollution (toxins) Aircraft Industrial noise noise Acute chemical discharge (oil or condensate spill) Infrastructure/ coastal development Rare or Overharvesting of prey∆ unknown * Given the behavioural impacts of noise on Antarctic blue whales are largely unknown, a precautionary approach has been taken regarding assignation of possible consequences. threat occurs outside Australia. ∆
Likelihood of occurrence (relevant to species) Consequences No long term effect Minor Moderate Major Catastrophic Almost certain Commercial fisheries or aquaculture equipment Likely Shipping noise* Possible Marine debris Vessel collisions Seismic surveys* Climate variability and change Unlikely Whale watching Aircraft noise Chronic chemical pollution (toxins) Industrial noise Acute chemical discharge (oil or condensate spill) Infrastructure/ coastal development Whaling ∆ Rare or unknown Overharvesting of prey∆ * Given the behavioural impacts of noise on Antarctic blue whales are largely unknown, a precautionary approach has been taken regarding assignation of possible consequences. ∆ threat occurs outside Australia.