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Université de Fribourg

Paleoseawater density reconstruction and its implication for cold-water coral carbonate mounds in the northeast Atlantic through time

Rüggeberg, Andres ; Flögel, Sascha ; Dullo, Wolf-Christian ; Raddatz, Jacek ; Liebetrau, Volker

In: Paleoceanography, 2016, vol. 31, no. 3, p. 2015PA002859

Carbonate buildups and mounds are impressive biogenic structures throughout Earth history. In the recent NE Atlantic, cold-water coral (CWC) reefs form giant carbonate mounds of up to 300 m of elevation. The expansion of these coral carbonate mounds is paced by climatic changes during the past 2.7 Myr. Environmental control on their development is directly linked to controls on its main...

Université de Fribourg

Discordances between phylogenetic and morphological patterns in alpine leaf beetles attest to an intricate biogeographic history of lineages in postglacial Europe

Triponez, Yann ; Buerki, Sven ; Borer, Matthias ; Naisbit, Russel E. ; Rahier, Martine ; Alvarez, Nadir

In: Molecular Ecology, 2011, vol. 20, no. 11, p. 2442–2463

Pleistocene glacial and interglacial periods have moulded the evolutionary history of European cold-adapted organisms. The role of the different mountain massifs has, however, not been accurately investigated in the case of high-altitude insect species. Here, we focus on three closely related species of non-flying leaf beetles of the genus Oreina (Coleoptera, Chrysomelidae), which are often found...