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Environmental and biological controls on Na∕Ca ratios in scleractinian cold-water corals

Schleinkofer, Nicolai ; Raddatz, Jacek ; Freiwald, André ; Evans, David ; Beuck, Lydia ; Rüggeberg, Andres ; Liebetrau, Volker

In: Biogeosciences, 2019, vol. 16, no. 18, p. 3565–3582

Here we present a comprehensive attempt to correlate aragonitic Na∕Ca ratios from Desmophyllum pertusum (formerly known as Lophelia pertusa), Madrepora oculata and a caryophylliid cold-water coral (CWC) species with different seawater parameters such as temperature, salinity and pH. Living CWC specimens were collected from 16 different locations and analyzed for their Na∕Ca ratios using...

Li/Mg systematics in scleractinian corals: Calibration of the thermometer

Montagna, Paolo ; McCulloch, Malcolm ; Douville, Eric ; Correa, Matthias López ; Trotter, Julie ; Rodolfo-Metalpa, Riccardo ; Dissard, Delphine ; Ferrier-Pagès, Christine ; Frank, Norbert ; Freiwald, André ; Goldstein, Steve ; Mazzoli, Claudio ; Reynaud, Stephanie ; Rüggeberg, Andres ; Russo, Simone ; Taviani, Marco

In: Geochimica et Cosmochimica Acta, 2014, vol. 132, p. 288–310

We show that the Li/Mg systematics of a large suite of aragonitic coral skeletons, representing a wide range of species inhabiting disparate environments, provides a robust proxy for ambient seawater temperature. The corals encompass both zooxanthellate and azooxanthellate species (Acropora sp., Porites sp., Cladocora caespitosa, Lophelia pertusa, Madrepora...

Plectroninia celtica n. sp. (calcarea, minchinellidae), a new species of “pharetronid” sponge from bathyal depths in the northern Porcupine Seabight, NE Atlantic

Könnecker, Gerd ; Freiwald, André

In: Facies / Institut für Paläontologie der Universität Erlangen-Nürnberg, 2005, vol. 51, p. 53

Preface to the Erik Flügel special volume

Freiwald, André

In: Facies / Institut für Paläontologie der Universität Erlangen-Nürnberg, 2005, no. 51, p. 1