Impacts of climate change in marine ecosystems have been widely documented through studies of individual species, yet climate impacts are cascading through ecosystems — affecting species interactions and ecosystem structure and function. Species with certain traits are generally more responsive to environmental disturbances, yet whether these traits are associated with faster or stronger responses to warming in the Northwest Atlantic marine ecosystem has not been evaluated. Moreover, the aggregate effects of climate change on higher-level ecosystem properties, such as community-level functional traits, have not been determined.
This project will provide insights into how the Northeast Atlantic fish community is changing in terms of its traits, such as size at maturity, fecundity, and feeding characteristics. It will determine whether and how functional groups of species are changing, whether certain traits are more responsive to environmental disturbances, and drivers of these changes (such as fishing pressure or warming ocean temperatures). Results will provide new insights into community dynamics and marine ecosystems in the Northwest Atlantic and will help identify responses that may serve as early warning indicators of broader changes.
This project is generously supported by a fellowship in Quantitative Fisheries and Ecosystem Science through the Cooperative Institute for the North Atlantic Region, with funding from NOAA’s Northeast Fisheries Science Center.
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