What are sharks afraid of?
Could you put some sort of sound emitters in beaches to scare sharks away?
Other than Chuck Norris?
I am sure every mitigation idea is under consideration.
from the article
Researchers at Woods Holes studied at least 25 scenarios that could act as a protection for both humans and sharks from the other.
They don’t like high power rare earth magnets.
Sharks are afraid of orcas. After orcas are detected by sharks, the sharks may avoid that area for as much as a year. Orcas seem to be aware that if they can turn the shark over so that its belly is upward, the shark goes into a tonic state and can't seem to move---making it easy for the orca to rip its liver out, the favored part of the shark.