The American lobster fishery is the most valuable in the United States and accounts for over 75% of the landed value of all marine species in the state of Maine. While landings have been high in recent years, the fishery operates in a rapidly warming ocean region that has experienced multiple marine heatwaves since 2012. Yearly changes in ocean conditions affect the seasonal timing of when lobsters become most catchable to the fishery and longer-term changes in climate can more dramatically affect the productivity of the lobster population in the future.
As these changes occur, making decisions based on past observations becomes less useful. Operational, investment, strategic, and management decisions made by stakeholders in the fishery may benefit from more forward-looking forecasts.
Our project advanced three forecasts at various time scales:
- A seasonal forecast of the date when the statewide fishery will switch to its high-landings summer period (Mills et al. 2017).
- A multi-year forecast of the volume of landings expected six to eight years in the future, based on observations in the American Lobster Settlement Index (ALSI) (Oppenheim et al. 2019).
- Multi-decadal projections of the size of the fishery over the coming decades, based on climate scenarios (Le Bris et al. 2018).
These forecasts were guided by input from industry and management stakeholders that helped hone the models and evaluate forms of information provided. We are working to incorporate ecosystem and fishery information and forecasts into a web-based dashboard, where interested lobster fishery stakeholders can access and use the data.
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