Oceanography The Official Magazine of
The Oceanography Society
Volume 32 Issue 02

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Volume 32, No. 2
Pages 162 - 169

Rapid Climate-Driven Circulation Changes Threaten Conservation of Endangered North Atlantic Right Whales

Nicholas R. Record Jeffrey A. RungeDaniel E. PendletonWilliam M. BalchKimberley T.A. DaviesAndrew J. PershingCatherine L. JohnsonKaren StamieszkinRubao JiZhixuan FengScott D. KrausRobert D. KenneyChristy A. HudakCharles A. MayoChangsheng ChenJoseph E. SalisburyCameron R.S. Thompson
Article Abstract

As climate trends accelerate, ecosystems will be pushed rapidly into new states, reducing the potential efficacy of conservation strategies based on historical patterns. In the Gulf of Maine, climate-driven changes have restructured the ecosystem rapidly over the past decade. Changes in the Atlantic meridional overturning circulation have altered deepwater dynamics, driving warming rates twice as high as the fastest surface rates. This has had implications for the copepod Calanus finmarchicus, a critical food supply for the endangered North Atlantic right whale (Eubalaena glacialis). The oceanographic changes have driven a deviation in the seasonal foraging patterns of E. glacialis upon which conservation strategies depend, making the whales more vulnerable to ship strikes and gear entanglements. The effects of rapid climate-driven changes on a species at risk undermine current management approaches.

Citation

Record, N.R., J.A. Runge, D.E. Pendleton, W.M. Balch, K.T.A. Davies, A.J. Pershing, C.L. Johnson, K. Stamieszkin, R. Ji, Z. Feng, S.D. Kraus, R.D. Kenney, C.A. Hudak, C.A. Mayo, C. Chen, J.E. Salisbury, and C.R.S. Thompson. 2019. Rapid climate-driven circulation changes threaten conservation of endangered North Atlantic right whales. Oceanography 32(2):162–169, https://doi.org/10.5670/oceanog.2019.201.

Supplementary Materials
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