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Inka Milewski et al.: Impact of Aquaculture on Lobster Catches

Within 2-3 year from the start of fish farming operations in Port Mouton Bay, fishers observed declines in catches. Fishermen and scientists worked together on a study about the reasons for the decline.


Conclusions of the Study

  • Lobster catches and counts significantly declined during feed compared to fallow periods
  • Differences in catch and counts during feed and fallow periods are not driven by temperature 
  • Berried lobsters  appear more sensitive to aquaculture and temperature  effects than market lobsters
  • Odours and water quality changes are likely reasons for changes in catch rates
  • Protection and conservation of key lobster/shellfish habitat critical in the face of multiple environmental stressors

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PDF icon Lobster study presentation.pdf1.93 MB

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