Do shark declines create fear-released systems ?

  title={Do shark declines create fear-released systems ?},
  author={Alejandro Frid and Gregory G. Baker and Lawrence M. Dill},
We illustrate the theoretical plausibility that fishery removal of sharks can indirectly alter predation pressure on different fish species via the behavioural responses of mesoconsumers released from predator intimidation. Our dynamic state variable model of foraging decisions by harbour seals, a mesopredator, predicted indirect effects of the removal of Pacific sleeper sharks on two species consumed by seals, Pacific herring and walleye pollock, as mediated by seal behaviour. Herring, a fatty… CONTINUE READING