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Did 'Ja Know

Photo Credit: Euan Reavie

In early December 2016 after a record-warm autumn in the United States, University of Minnesota Duluth researchers and their colleagues published the first evidence that well-documented climatic changes have produced a biological change within the Laurentian Great Lakes. Specifically, there are many more tiny phytoplankton from the group Cyclotella floating around and fewer large-celled algae. The scientists think the abundance of Cyclotella reflects new physical regimes such as a deeper summer surface layers that persist for longer times.

Reavie, E.D., G.V. Sgro, L.R. Estepp, A.J. Bramburger, V.L. Shaw Charibi, R.W. Pillsbury, M. Cai, C.A. Stow and A. Dove, 2016. Climate warming and changes in Cyclotella sensu lato in the Laurentian Great Lakes, Limnology and Oceanography.


By Sea Grant Staff
December 2016

Return to December 2016 Seiche



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