Origin of the Laurentian Great Lakes fish fauna through upward adaptive radiation cascade prior to the Last Glacial Maximum

NJC Backenstose, DJ MacGuigan, CA Osborne… - Communications …, 2024 - nature.com
The evolutionary histories of adaptive radiations can be marked by dramatic demographic
fluctuations. However, the demographic histories of ecologically-linked co-diversifying
lineages remain understudied. The Laurentian Great Lakes provide a unique system of two
such radiations that are dispersed across depth gradients with a predator-prey relationship.
We show that the North American Coregonus species complex (“ciscoes”) radiated rapidly
prior to the Last Glacial Maximum (80–90 kya), a globally warm period, followed by rapid …

Origin of the Laurentian Great Lakes fish fauna through upward adaptive radiation cascade prior to the Last Glacial Maximum

T Krabbenhoft, N Backenstose, D Macguigan… - 2023 - europepmc.org
The evolutionary histories of adaptive radiations can be marked by dramatic demographic
fluctuations. However, the demographic histories of ecologically-linked co-diversifying
lineages remains understudied. The Laurentian Great Lakes provide a unique system of two
lineages that are dispersed across depth gradients with a predator-prey relationship. We
show that the North American Coregonus species complex radiated rapidly prior to the Last
Glacial Maximum (80–90 ka), a globally warm period, followed by rapid expansion in …
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