MEPS

Marine Ecology Progress Series

MEPS is a leading hybrid research journal on all aspects of marine, coastal and estuarine ecology. Priority is given to outstanding research that advances our ecological understanding.

Online: ISSN 1616-1599

Print: ISSN 0171-8630

DOI: https://doi.org/10.3354/meps

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Volume contents
Mar Ecol Prog Ser 770:143-154 (2025)

Investigating the plasticity of Atlantic sturgeon Acipenser oxyrinchus migration timing in a changing climate

ABSTRACT:

Atlantic sturgeon Acipenser oxyrinchus, a US federally listed endangered species, exhibits broad-scale movements between rivers and coastal environments while also periodically aggregating along the Atlantic coast. Despite a harvest moratorium enacted in 1996, there is little evidence of population recovery. This is largely attributed to the species’ conservative life history characteristics, but is exacerbated by incidental captures in fisheries and potentially by climate change. It is unknown what impacts climate change will have on long-lived species with localized genetic populations and an anadromous life history, including Atlantic sturgeon. To promote recovery, an understanding of their temporal and spatial habitat use is required. Movements of tagged Atlantic sturgeon have been monitored within the New York Bight through a network of passive acoustic receiver arrays resulting in 4 million detections of 718 individuals from 2010 to 2022. Acoustic data from the Rockaways, New York, were used to inform gradient boosting machine models to identify environmental drivers of migration and to investigate the impacts of climate change on the migration timing of Atlantic sturgeon. Photoperiod and water temperature were primary drivers, with photoperiod dictating arrivals and water temperature dictating departures from the Rockaways. Under warmer conditions, Atlantic sturgeon may arrive to and depart from the Rockaways 60 d earlier than previously observed; however, photoperiod may limit the plasticity of Atlantic sturgeon migration, potentially exposing them to suboptimal water temperatures within their photoperiod-dictated migration window, emphasizing the importance of considering photoperiod for understanding how species will respond to climate change.

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Ashley Nicoll (Co-author)

  • School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794, USA

Keith Dunton (Co-author)

  • Department of Biology, Monmouth University, West Long Branch, NJ 07764, USA

Evan Ingram (Co-author)

  • School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794, USA

Joshua Zacharias (Co-author)

  • School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794, USA

Robert Cerrato (Co-author)

  • School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794, USA

Michael Frisk (Co-author)

  • School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794, USA

Handling Editor:
Franz Mueter, Juneau, Alaska, USA

Reviewers:
M. Bednarski and 2 anonymous referees

Acknowledgements:

We thank Kim McKown, Lyndie Hice, Mark Wiggins, and the technicians and boat crew at Stony Brook University, all of whom contributed to this large data set. We also thank the New York State Department of Environmental Conservation for their continued support.

© The authors 2025. Open Access under Creative Commons by Attribution Licence. Use, distribution and reproduction are un­restricted. Authors and original publication must be credited.