Rising temperatures are impacting marine ecosystems around the world, and the rate of warming is expected to accelerate. The ecosystems in the northwest Atlantic Shelf, including in the Gulf of Maine and Mid-Atlantic Bight, have experienced some of the fastest decadal and 30 year warming rates in the historical record — trends punctuated by marine heatwaves in 2012, 2016, and 2018. Most studies of climate impacts in the ocean have focused on how rising temperatures affect individual species. Our project will focus on the impact of warming, both short-term events and long-term trends, on the entire ecosystem. It will leverage the region’s recent warming and history of consistent sampling to contrast the properties of the plankton and fish communities in the colder Gulf of Maine with the warmer Mid-Atlantic Bight.
Through statistical analyses, size-based modeling, and food web modeling, we will evaluate direct and indirect influences of temperature on biological processes, community characteristics, and emergent ecosystem properties.
This study will characterize composition and features of the plankton and fish communities and compare ecosystem changes across space and through time. It will also isolate the direct influence of temperature on metabolism and growth from the indirect influence of temperature through changes in the oceanography.
Understanding how marine ecosystems respond to warming is essential for successful management of these ecosystems in a changing climate. Our project team will be actively engaged in translating knowledge from this study into fisheries management at a regional and national level. This project will also make a significant investment in preparing the next generation of citizens and scientists to make responsible decisions in a rapidly-changing world by expanding the ecosystem modeling activity in the Gulf of Maine Research Institute’s LabVenture program. This 2 hour educational experience is provided free of charge to Maine schools and regularly serves around 10,000 middle school students each year. We will develop an online curriculum on modeling, a topic area in the Next Generation Science Standards that many teachers find challenging. The project will also support a postdoctoral researcher and a graduate student and contribute to Stony Brook University’s program to encourage participation of women in the sciences.
This material is based upon work supported by the National Science Foundation under Grant No. 1851866.
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