Boom-bust cycles in gray whales associated with dynamic and changing Arctic conditions

Author:

Stewart Joshua D.1ORCID,Joyce Trevor W.23ORCID,Durban John W.34ORCID,Calambokidis John5ORCID,Fauquier Deborah6,Fearnbach Holly4ORCID,Grebmeier Jacqueline M.7ORCID,Lynn Morgan3ORCID,Manizza Manfredi8ORCID,Perryman Wayne L.3,Tinker M. Tim910ORCID,Weller David W.3

Affiliation:

1. Ocean Ecology Lab, Marine Mammal Institute, Department of Fisheries, Wildlife and Conservation Sciences, Oregon State University, Newport, OR, USA.

2. Ocean Associates, Arlington, VA, USA.

3. Marine Mammal and Turtle Division, National Oceanic and Atmospheric Administration (NOAA) Southwest Fisheries Science Center, La Jolla, CA, USA.

4. Sealife Response, Rehabilitation and Research (SR3), Des Moines, WA, USA.

5. Cascadia Research Collective, Olympia, WA, USA.

6. Office of Protected Resources, National Marine Fisheries Service, Silver Spring, MD, USA.

7. Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, MD, USA.

8. Geosciences Research Division, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA.

9. Nhydra Consulting, Halifax, NS, Canada.

10. Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, USA.

Abstract

Climate change is affecting a wide range of global systems, with polar ecosystems experiencing the most rapid change. Although climate impacts affect lower-trophic-level and short-lived species most directly, it is less clear how long-lived and mobile species will respond to rapid polar warming because they may have the short-term ability to accommodate ecological disruptions while adapting to new conditions. We found that the population dynamics of an iconic and highly mobile polar-associated species are tightly coupled to Arctic prey availability and access to feeding areas. When low prey biomass coincided with high ice cover, gray whales experienced major mortality events, each reducing the population by 15 to 25%. This suggests that even mobile, long-lived species are sensitive to dynamic and changing conditions as the Arctic warms.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Editorial: Whales and climate;Frontiers in Marine Science;2023-12-20

2. The ecology of whales in a changing climate;Science;2023-10-13

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