Mediterranean Corals Through Time: From Miocene to Present

Vertino, Agostina; Stolarski, Jarosław; Bosellini, Francesca; Taviani, Marco

doi:10.1007/978-94-007-6704-1_14

Cited by 53 publications

(48 citation statements)

References 81 publications

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“…2B), but thickness of the septa is another variable character in O. crispata (Chen et al, 2011). The alien O. crispata is an addition to 33 other species that already constitute part of the Mediterranean scleractinian fauna (Zibrowius, 1980;Vertino et al, 2014). It is also the second non-indigenous scleractinian here.…”

Section: Resultsmentioning

confidence: 99%

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First record of the Central Indo-Pacific reef coral Oulastrea crispata in the Mediterranean Sea

Hoeksema¹,

Vicente²

2014

Medit. Mar. Sci.

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A live colony of a non-indigenous zooxanthellate scleractinian coral was found in shallow water on the west coast of Corsica, western Mediterranean. Its diameter of 6 cm suggests that it has already survived for some years. It was identified as Oulastrea crispata, a species native on near-shore coral reefs in the central Indo-Pacific with a high tolerance for low water temperatures at high latitudes. Based on its morphology it can be distinguished from other zooxanthellate colonial scleractinians in the Mediterranean. O. crispata has a reputation of being a successful colonizer because it is able to settle on a wide variety of substrata and because it utilizes various reproductive strategies as simultaneous hermaphrodite and producer of asexually derived planulae. Owing to its original distribution range in temperate and subtropical waters, it is likely that it will be able to find a suitable temperature regime in the Mediterranean for further range expansion.

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Section: Resultsmentioning

confidence: 99%

“…Another Mediterranean zooxanthellate colonial coral is the endemic Cladocora caespitosa, which has small, phaseloid corallites (Kersting et al, 2013;Vertino et al, 2014;Fig. 6).…”

Section: Resultsmentioning

confidence: 99%

First record of the Central Indo-Pacific reef coral Oulastrea crispata in the Mediterranean Sea

Hoeksema¹,

Vicente²

2014

Medit. Mar. Sci.

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“…To date, however, the full extent of the present geographic distribution remains unknown (Freiwald et al, 2004). Madrepora and Lophelia are documented since the Mesozoic and Neogene respectively Stolarski and Vertino, 2012;Vertino et al, 2013 Fig. 1).…”

Section: Acropora Sp and Porites Spmentioning

confidence: 99%

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

Montagna

McCulloch

Douville

et al. 2014

Geochimica et Cosmochimica Acta

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122

151

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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 oculata and Flabellum impensum) collected from shallow, intermediate, and deep-water habitats, as well as specimens cultured in tanks under temperature-controlled conditions. The Li/Mg ratios observed in corals from these diverse tropical, temperate, and deep-water environments are shown to be highly correlated with temperature, giving an exponential temperature relationship of: Li/Mg (mmol/mol) = 5.41 exp (À0.049 * T) (r 2 = 0.975, n = 49). Based on the standard error of the Li/Mg versus temperature correlation, we obtain a typical precision of ±0.9°C for the wide range of species analysed, similar or better than that of other less robust coral temperature proxies such as Sr/Ca ratios.The robustness and species independent character of the Li/Mg temperature proxy is shown to be the result of the normalization of Li to Mg, effectively eliminating the precipitation efficiency component such that temperature remains as the ⇑ Corresponding author at: Istituto di Scienze Marine (ISMAR), Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy. Tel.: +39 051 6398913.E-mail address: paolo.montagna@bo.ismar.cnr.it (P. Montagna). 1Published in which should be cited to refer to this work.http://doc.rero.ch main controller of coral Li/Mg compositions. This is inferred from analysis of corresponding Li/Ca and Mg/Ca ratios with both ratios showing strong microstructure-related co-variations between the fibrous aragonite and centres of calcification, a characteristic that we attribute to varying physiological controls on growth rate. Furthermore, Li/Ca ratios show an offset between more rapidly growing zooxanthellate and azooxanthellate corals, and hence only an approximately inverse relationship to seawater temperature. Mg/Ca ratios show very strong physiological controls on growth rate but no significant dependence with temperature, except possibly for Acropora sp. and Porites sp. A strong positive correlation is nevertheless found between Li/Ca and Mg/Ca ratios at similar temperatures, indicating that both Li and Mg are subject to control by similar growth mechanisms, specifically the mass fraction of aragonite precipitated during calcification, which is shown to be consistent with a Rayleigh-based elemental fractionation model. The highly coherent array defined by Li/Mg versus temperature is thus largely independent of coral calcification mechanisms, with the strong temperature dependence reflecting the greater sensitivity of the K dLi/Ca partition coefficient relative to K d Mg/Ca . Accordingly, Li/Mg ratios exhibit a highly coherent exponential correlation with temperature, thereby providing a more robust tool for reconstructing paleo-seawat...

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“…Malatesta & Zarlenga 1986;Loubere & Moss 1986;Cronin et al 1993;Head 1998;Cronin et al 1999;Taviani 2002;Wood 2009;Garilli 2011;Vertino et al 2014). Compared to other groups, there are little data concerning the NeogeneÀQuaternary faunal change within echinoids (Roman & Soudet 1990;N eraudeau et al 2001;Kroh 2007;Borghi et al 2014), which are one of the most successful marine groups due to their various reproductive strategies (Gillespie & McClintock 2007).…”

Section: Introductionmentioning

confidence: 96%

A new subtropical-temperate brooding echinoid with no marsupium: the first Mediterranean and the last European Temnopleuridae from the Early Pleistocene of Italy

Borghi

Garilli²

2016

Journal of Systematic Palaeontology

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The regular echinoid Placentinechinus davolii gen. et sp. nov. is described from eight Early Pleistocene (GelasianÀCalabrian) sites in north and south Italy. It is the most recent record known for the family Temnopleuridae in the European domain and the first in the Mediterranean area. A review of temnopleurid palaeobiogeography, and morphological comparisons, suggest that P. davolii was derived from a marsupiate brooder that lived in the north-east Atlantic during MessinianÀmiddle Gelasian time. This indicates a brooding reproductive strategy for P. davolii, although it does not bear any evidence of a marsupium. The stratigraphy and climatic setting inferred for the study sites indicate that Placentinechinus represents a significant southward shift of the European Temnopleuridae, triggered by a progressive cooling that changed the Mediterranean climate from tropical to subtropical-temperate. A further climatic deterioration, perhaps that at about 0.8 Ma with the onset of the 100 kyr-controlled Ice Ages, caused its extinction. The palaeoecology of Placentinechinus, as deduced from palaeoenvironmental reconstructions of the study sites, indicates that it lived in shoreface to shallow offshore, moderately agitated waters, often together with the scallop-polychaete Aequipecten-Ditrupa association. It tolerated more or less marked conditions of turbidity, but flourished in trophically well-structured palaeocommunities. The main morphological characters distinguishing Placentinechinus are the very depressed test and the extremely large apical opening, up to 82% of the test diameter, which is so far the largest known for an adult echinacean echinoid. The statistically exhaustive morphometric data collected from more than 100 Placentinechinus tests indicate that inferring sexual dimorphism for Temnopleuridea echinoids based only on the apical disc width could be misleading. For P. davolii, both climate and environmental stability, in terms of sedimentation rate and nutrient supply, may have been concurrent drivers of its evolutionary history.http://zoobank.org/urn:lsid:zoobank.

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Mediterranean Corals Through Time: From Miocene to Present

Cited by 53 publications

References 81 publications

First record of the Central Indo-Pacific reef coral Oulastrea crispata in the Mediterranean Sea

First record of the Central Indo-Pacific reef coral Oulastrea crispata in the Mediterranean Sea

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

A new subtropical-temperate brooding echinoid with no marsupium: the first Mediterranean and the last European Temnopleuridae from the Early Pleistocene of Italy

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