Climate change is rapidly affecting marine ecosystems and fisheries around the world, and these changes are expected to continue. Ocean warming is associated with widespread changes in the spatial distribution of species. These changes cause species to move across management jurisdictions and political boundaries, and alter the spatial and temporal overlap of fish stocks with traditional fishing grounds.
To ensure that fisheries can properly adapt to these changes, there is a critical need to develop analytical frameworks that encompass population structure details and to flexibly evaluate different management strategies. Our work will analyze how size classes within populations are affected by and contribute to spatial distribution changes of marine fish on the Northeast U.S. Shelf, and will develop size-specific projections for future spatial distributions.
These distribution patterns will provide the basis for implementing a size-structured, spatially-explicit population dynamics model that can be used to:
- Evaluate how distribution changes affect the population.
- Test the impacts of different adaptation strategies on both population and fishery outcomes.
We will synthesize our results to identify general management strategies that can be used in fisheries around the world to conserve fish stocks and build the adaptive capacity of fisheries in the face of climate change.
Support for this project was provided by the Pew Fellows Program in Marine Conservation at The Pew Charitable Trusts. View Dr. Mills' Pew Fellow page here.
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